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Topic: [ANN][CRW] CROWN (SHA256) | Platform | Governance | Systemnodes | Masternodes | - page 5. (Read 317079 times)

jr. member
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The ecosystem has significantly changed in a year. Investors continue to pour in, success stories are numerous, new typologies of projects are developing (other than gaming), communities are constantly growing, the whole space is getting more mature...there is no doubt, we moved to the next level! It has been a big challenge to develop this report in order to reflect an ecosystem as vast and dynamic as the NFT one! The goal of this second edition of the NFT Yearly Report is to give everyone an overview of the trends, and to reflect in the most faithful way the incredible dynamic that is now driving the NFT and Blockchain Gaming industry

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We are extremely proud and excited to announce the official release of our 2019 Annual Report on the non-fungible token ecosystem. The purpose of this report is to give everyone all the keys to understanding the dynamics and forces that govern the NFT ecosystem economy.

This article provides additional analysis to go further and highlight the trends observable in the report.


Do players regularly play blockchain games?
Between art, RPG and collectibles which sector is driving the growth of NFT?
How can we track the overall performance of a blockchain application? What are the metrics to monitor?
Which projects are the “whales” investing in?
What type of assets do players speculate on most?
What is the overall liquidity of the NFTs? And by project?
What has been the evolution of the NFT Market Cap since the creation of the standard in 2017?
What can we hope for in 2020? What are the market forecasts?
You will find the answers to all these questions (and many more) in the yearly report available here https://nonfungible.com/static/nft-report-2019.pdf


Observation #1 - 2019 has been a year of stabilization
The first observation in 2019 is that the overall figures for the year may appear to be below expectations, with a 4% drop in USD traded compared to 2018 and an increase of only 1% regarding active addresses through the year.

These results echo the first trends observed in the first half of 2019, and analyzed in our dedicated article .

Our analysis of these numbers is that the ecosystem continues to stabilize following the pre-sale craze that followed the ICO frenzy.

Projects continue to multiply (as made evident by the number of active Smart Contracts), the resulting UX are gradually being resolved, the ecosystem is currently in a phase of consolidation and stabilization. We believe that the industry continues to gain maturity in terms of user experience, good practices, and that it is preparing overall for the challenges that await it in the coming years for mass adoption.


Observation #2 - Leaders are heckled by newcomers
We found the major projects we knew in 2018 without much surprise, but most of them had to leave first place on the podium for a new entrant or a project that has been able to strengthen their position during the year.

CryptoKitties remains by far the leader in terms of transactions over the past year, but we can observe a gradual erosion of its volumes during 2019, going from nearly 300,000 transactions per month to just under 100,000.
Decentraland , which seemed unbeatable from a USD transferred volume standpoint, has given way to two new players who hit the markets in 2019: Gods Unchained and Ethereum Name Service.

My Crypto Heroes maintains its first place in terms of community size with more than 15,000 players over the year, but closely followed by CryptoKitties.


Observation #3 - Three (3) projects bring together 50% of the players
Between January and December 2019, CryptoKitties, 0xUniverse and MyCryptoHeroes 4 times represent more than 50% of the entire blockchain gaming community on Ethereum.

This is the reflection of an ecosystem that is still very polarized around historic players. Note, however, a gradual depolarization compared to the first half of 2018.

Observation #4 - The exhaustion of collectibles
Collectibles were more or less the first major use case of NFT with CryptoPunks and CryptoKitties followed by the hundreds of projects and initiatives which followed with more or less success.


The volumes by project type highlighted the collapse of collectibles in favor of other use cases.











Observation #5 - Art, TCG & RPG - The major trends for the upcoming years?

Conversely, the projects mixing Art and Blockchain have experienced a certain boom, seeing their statistics more than triple during the year. Although volumes remain small compared to other project typologies, this growth is one of the strongest identified over the year.

RPGs came in second place in terms of player volumes, while TCGs more than doubled their transaction volume and active addresses.




Observation #6 - Whales are (slowly) diversifying their portfolio

Most of the speculation has been going on Decentraland so far, but in 2019 we saw a gradual diversification of investment from historic pinball machines.


Among the projects that now attract pinball machines, we can count Somnium Space, Gods Unchained, CryptoVoxels but also Blockchain Cuties and CryptoSpaceCommander, for volumes often close to $100,000 per project.

Observation #7 - Champions of Engagement vs. Market Champions
Two main typologies emerged from the NFT IDs:

Engagement Champions Market Champions
The champions of engagement offer a user experience that is truly attractive to the greatest number, and have already attracted a large volume of players. Their focus is not on the value of assets and the game logic does not encourage speculation, but the use of assets.


Their map develops mainly in the upper left corner.
On the other hand, some projects have very active markets backed by high-value assets (over $100 on average). Having a dense market does not necessarily reflect a rich end-user experience or even a bright future as a game.


The map of these projects tends to expand towards the lower left corner, sometimes to the detriment of the rest of the map.


Observation #8 - Almost 90% of the NFTs have not circulated during the past year
Although NFT marketplaces are experiencing considerable growth and undoubtedly play a crucial role in the ecosystem, data collected in 2019 showed that just over 10% of the assets created circulated over the year. It is interesting to note that the rate is identical to that observed over the previous year.

So while the economic dimension of the NFT ecosystem provides an interesting glimpse into the financial health of the industry, it currently only relates to a small portion of its assets.


Observation #9 - NFTs represent a value creation of more than $200M
The Market Cap of the NFT ecosystem, all projects and all assets totaled $210M in 2019, with a Market Cap forecast of $315M.


This market capitalization was calculated by multiplying the volume of assets in each project by the average market value of those assets.


This market capitalization is interesting to study because it represents a gross value creation of more than $200M from scratch in less than two years.

Observation # 10 - New KPIs - reflections of a more mature ecosystem
This new edition of the report was an opportunity to publish brand new indicators that allow us to better understand the reality of the ecosystem as a whole but also project by project. Whether it is a snapshot over the year or a month-by-month or year-by-year evolution, we will gradually generalize the use of the indicators that seem most relevant to us, such as:

# Penetration rate
# Isolation rate
# Liquidity ratio
# Trends by project category
# NFT IDs, based on all previous metrics







Crown is at the forefront of this pioneering market that inhibits intermediary multi-media and allows addressing any kind of non-fungible asset deployed without a secure, tamper-proof, everywhere accessible ecosystem.

This technology is transposable for all types of goods, collection cards, art, inheritance, health data, insurance, logistics tracking, authentication, IoT routing, quantum time-stamped A.I....  🚀 🚀 🚀 🚀 🚀 🚀 🚀 🚀

more info at: https://www.crownplatform.com/



Maybe, it's time to get on the board Wink


hero member
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https://medium.com/crownplatform/crown-development-meeting-minutes-24-02-2020-e33b15daa44c


Crown development meeting minutes 24/02/2020
Just the facts, ma’am

Present: Alexander, artem, Crownfan, crowncoin-knight, pjcltd, walkjivefly

Artem spent the weekend working on the registration issues opened by walkjivefly. Since he couldn’t connect to testnet (for reasons unknown) he worked in his sandbox. He has reproduced some of the issues, identified the problems and will try to push a new build tonight.
He thinks the testnet instability problems are probably not related to the NFT framework.

Ashot was not present but sent a message via crowncoin-knight saying he would soon resume work on the codebase update.

* Testnet stability has improved since the last rewind and blocking of “unknown” nodes. Defunctec did some analysis which suggests the much increased superblock frequency in testnet could be a contributory factor to the instability, probably more so than the old version nodes which connect sometimes.

* walkjivefly asked if Artem could push a new build which reduces the testnet superblock frequency to the same as mainnet and refuses connections from old protocol nodes. If such a build proved more stable it would give us confidence that Emerald should not suffer the instability problems seen in testnet.

* He also asked if having chosen an activation block for disconnecting old nodes, mainnet could refuse NFT transactions before that block is reached in order to prevent any invalid transactions sneaking into the chain and perhaps causing issues later. Artem prefers to enable the NFT functionality with a spork because a skilled attacker could fake an NFT transaction without using the nftproto or nftoken RPCs.

* pjcltd has a pool of 20 additional virtual machines ready to start as soon as he’s given the build number to use. This will increase the size from about a dozen nodes to just over 30 and should help improve the stability for the remainder of the testing period.

* Alexander and pjcltd are working on including new testnet DNS seednodes in the next release which will further improve the testnet stability and ease of adding new nodes.

* We may create a completely new testnet (with a whole new datadir) for the codebase update.

walkjivefly asked how confident are we of being technically ready for a very provisional timetable of Emerald release on 2 March, NFT activation and protocol enforcing on 16 March. Artem wants to address all of the known NFT issues before release. Given our resource availability situation a more achievable plan is to aim for a 9 March release date and protocol enforcing on 23 March.

Crownfan explained the Emerald marketing campaign is in development and close to being ready. It will be deployed in stages with each one building on the previous. We need to be certain that the code is ready to go at the advertised block height/date before launching the campaign. Once launched much of the message will take on a life of it’s own due to organic/viral growth and cannot be altered or stopped. If the cutover doesn’t happen on the announced date the campaign will be much less effective or even wasted.

We have put out feelers to exchange partners about the update. We need to give them two weeks notice of the protocol enforcing cutover point and provide the repository link to the release candidate code in Gitlab.

After lengthy discussion of all the factors we have settled on a provisional timetable of Emerald mainnet release on or around 9 March, protocol enforcing and NFT functionality on 23 March. This gives us a bit over a week to resolve the necessary stability and NFT issues, two full weekends for people to upgrade their nodes, sufficient notice period for our exchange partners, and a short window for contributors to rollout the first NFT use-cases, including Crowncards, before Coinfest 2020 in Manchester on 3–5 April.
hero member
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https://medium.com/crownplatform/crown-development-meeting-minutes-17-02-2020-274f0388e916


Crown development meeting minutes 17/02/2020
Just the facts, ma’am

Present: artem, crowncoin-knight, pjcltd, walkjivefly

There was no development progress meeting last week. Artem is too busy during the day now so we have moved the meeting to Monday evenings.

Does the Emerald release absolutely have to be a hard fork release? If so, how will it be activated?
Artem thinks we should upgrade the protocol version for the new release and cut off old version nodes/wallets after a couple of weeks. Given the recent problems with testnet instability walkjivefly agreed. Theoretically Jade clients should ignore NFT transactions and be able to mint blocks containing them, but the presence of non v0.13.9.3 nodes on testnet is suspected to have contributed to its instability.

A very provisional timetable for the Emerald release is mainnet release around 2 March, protocol enforcing from two weeks later. This will mean the whole network is NFT capable two or three weeks before Coinfest UK (3–5 April) and we will be able to demonstrate NFT applications at the event. This is subject to

* Artem having time to review and fix the latest NFT protocol validation bugs and testnet remaining stable after he releases a new build to test a protocol version change and enforcing.
* No insurmountable obstacles from our exchange partners if presented with Emerald being a hard fork release.

The state of testing completeness
As reported previously there has been very little community participation in NFT framework testing. There have been some practical difficulties for anyone who would like to participate. We had to rewind the chain on 9/10 February to the 16 January snapshot to resolve some incompatibilities introduced by the enhancement requests in v0.13.9.3.

walkjivefly conducted some basic framework command validation last week and encountered a number of problems for which he opened new issues. These were intentional attempts to break things, not expected to occur under “normal” circumstances. Other testing that we’re aware of has amounted to little more than creating some protocols and tokens. There hasn’t been any application-level testing in the public testnet. If anyone has been conducting sandbox testing please let us know.

At the end of last week testnet fractured into at least three chains and proved difficult and time-consuming (ie: all weekend) to restore.
Review of open testnet issues. How/when will the remaining open issues be addressed? Which ones MUST be fixed before release, which ones can be deferred?

Artem will review the protocol and token validation issues. These are fundamental things which MUST be addressed. Testnet stability/locking issues will be monitored after Artem pushes a protocol version bump. To help with this pjcltd will add a bunch of additional testnet nodes on the servers he manages. In this way we should be able to extend testnet from around a dozen nodes to between about 30 and 40.
Some issues will be deferred until after the Emerald release. At that point we will probably completely re-initialise testnet and then see which are still extant.

Probability of getting the bitcore API completed in time for inclusion in the release?
Artem doesn’t have the bandwidth to do this, and definitely not before our target release date. He estimates there may be a month of full time work required. He has discussed this with defunctec and crowncoin-knight who will see if they can find an external developer to complete it. The chances of getting it done in time for the Chronovault use-case to be ready before Coinfest are slim but not entirely impossible.

State of readiness for the marketing campaign?
crowncoin-knight reported the marketing team have secured the funding required for the marketing plan. Materials are being prepared and should be ready for a March campaign launch, in parallel with the Emerald code release.
jr. member
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CROWN CRW exploit MN with RaspiBlitz New Version 1.4 released Smiley

This release has 2 assets:

Source code (zip)
Source code (tar.gz)

https://github.com/rootzoll/raspiblitz/releases/tag/v1.4

Beside many small improvements and changes, these are most important changes:

the full Tutorial how to build a RaspiBlitz in the README https://github.com/rootzoll/raspiblitz/blob/master/README.md or follow the instructions to update to the latest version https://github.com/rootzoll/raspiblitz/blob/master/README.md#updating-raspiblitz-to-new-version

Update: LND version 0.9.0-beta
Update: bitcoin-core version 19.0.1-beta
Update: litecoin version 0.17.1-beta
Update: RTL (Ride the Lightning) Web UI version 0.6.7-beta (redesign)
Update: Touchscreen UI (Node Info & Donate)
Update: Fee Report on LCD
Update: TORv2 -> TORv3
Update: New Torrent files
New: ElectRS (Electrum Server in Rust) details
New: BTCPayServer (Cryptocurrency Payment Processor) details
New: LNDmanage (Advanced Channel Management CLI) details
New: BTC-RPC-Explorer (Bitcoin Blockchain Explorer) details
New: Loop (Submarine Swaps Service) details
New: LNBits (Lightning wallet/accounts System) details
New: Fully Noded (iOS) details
New: TOR Support to connect mobile Apps
New: Migration Export/Import (e.g. HDD -> SSD) details
New: Start without LCD (switch to HDMI) details
New: Recovery Sheet (PDF) details
Experimental: BTRFS details
update: New Shopping Lists with RaspberryPi 4
Update: LND version 0.7.1-beta (fix for CVE-2019-12999)
Update: bitcoin-core version 0.18.1-beta
Update: RTL (Ride the Lightning) Web UI version 0.4.2 -beta
Update: Blockchain Index not needed anymore
Update: New Torrent files
New: Logo (see folder raspiblitz/logos)
New: Sync/Validate Blockchain as default for RP4
New: Switch on TOR during setup
New: Support Zap Mobile for Android
New: Repair Options in main menu
New: UPNP (AutoNAT) support in services menu
New: LCD rotate 180 degrees in services menu
Fix: TOR switch on/off
Fix: Zap iOS Mobile Wallet connect
Fix: Shango Mobile Wallet connect
Experimental: LCD Touchscreen Support
Experimental: UPS support (APC) details


newbie
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newbie
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Sorry, but I'had mined somes crown since a long time ago..

But ever the same problem like wallet contains the address and private key, but not updating TxIndex cause they'are mining bonus transactions..

A long time ago, and I'v not enough just two U1 usb asic and an old antimner (first gen like S1)

And a script gridseed..



Ha HA HA!!!
A SHA stories....

And others algo... Grin Grin Grin Grin Grin
hero member
Activity: 808
Merit: 500
@crowncoin_knight how should the fundraising process for the marketing plan be carried out? Under what conditions?

there will be a medium article available about the fundraising this weekend
newbie
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@crowncoin_knight how should the fundraising process for the marketing plan be carried out? Under what conditions?
hero member
Activity: 808
Merit: 500


Crown non-development meeting minutes 06/02/2020
Keeping the community informed

Present: crowncoin-knight, pjcltd, walkjivefly

There was no development progress meeting yesterday. Instead a few contributors had a short discussion about NFT framework testing, strategy regarding the forthcoming “Emerald” release, and the marketing plan for it.

The level of NFT framework testing/experimentation appears to be very low with no testnet activity except from walkjivefly and defunctec. There has been no feedback from any other contributors in Discord or Gitlab. We can only hope the reasons are

* other community members, 3rd-party developers and experimenters are using sandbox environments instead, and
* Artem’s code is rock solid with none of them hitting any issues.

The marketing team lead by Crownfan and KalayaanCrypto have created a comprehensive marketing plan (see below) for the Emerald release. They require that the complete funding for this plan be secured upfront so that there is no chance of not being able to complete it. If funding is not secured then the campaign will not be launched. We are expecting a Medium article from Crownfan this weekend explaining the matter in greater detail.

Crown Platform has signed up as a sponsor of the Coinfest 2020 (see below) meeting in Manchester on the 3rd to 5th of April 2020. We will have a several person presence there for the full three days of the event and expect to be able to demonstrate the NFT framework through defunctec’s Crown Cards application and hopefully other 3rd-party use-cases.

We discussed the timing of the v0.14.0 “Emerald” mainnet release. We are keen to launch it around the start of March with the marketing campaign kicking off at the same time. However, there is an argument for delaying the launch of the marketing campaign, and even the Emerald release, until Coinfest. The decision will be made soon (probably within the next week) and will be influenced by the level and outcome of NFT framework testing and the success or otherwise of raising the funds for the marketing campaign.
newbie
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My deep research led me to follow Crown because there are huge opportunities.

ETH2.0, EOS, XTZ Compare Crown CRW and its Blockchain Governance system. Besides NFT (in side chains), Smart Contracts, MN, SYSNodes, there is a nice feature because there are super reward blocks that are mined in the meantime each one is free to submit its proposals on the crowncentral at: https://crowncentral.net/proposals/generator to increment the proposal directly on the blockchain and dispatch it to all connected terminals or wallets.

Thus budgets, marketing, foundations, donations, budgets, files, documents, works, in short everything that is distributed fungible or non-fungible etc... are voted and decided by the community users who have the choice to vote 'yes' or 'no' abstention.

Each proposal is encoded in the blockchain with a Hashcode timestamp so it is not forged (POS) as well as a start date of execution "of the contract" and an end date of execution. It is called Block Start - Block end - Payment allocated from the superblock and the Remaning (month - days - years) etc... In this way there is a real decentralization in the governance of the blockchains that is included in the digital constitution of the protocols so no worries, no disputes, no attacks or usurpations. No need for forks in case of disagreement. The community (people) thus retains the right to decide.. In addition Crown CRW which is in mnPOS which consumes much less energy and even runs on a classic raspberrypi.

This system of governance is a catalyst of usefulness for example can be used as a certificate label to counter a fakenews for example, there are thousands of use cases, even to validate property links, collections, inheritances, acquisition, rental, insurance, medical, business, IoT, records, health, real estate etc... without extra cost or fallible intermediary.

Crown has dedicated itself to designing an open protocol that can support different programming languages as no training is required; developers can use the language of their choice, provided they can call crown-cli or make an RPC call via curl.

This project is technologically powerful and has been evolving since 2014. Crown is a nugget that can take off at any time because the supply side is limited and its scope is largely underestimated.

http://crwwallet.net/
newbie
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According to the research firm Gartner, blockbuster smart contracts could bring advantages (and some disadvantages) to companies in their data management. While smart contracts could improve the quality of this data, they could in return reduce its availability...Smart contracts, a revolution in the world of Data In a press release issued on January 30, Gartner's analyst group presented its findings on a study of the potential of smart contracts for enterprise data.

https://www.gartner.com/en/newsroom/press-releases/2020-01-30-gartner-predicts-that-organizations-using-blockchain-

According to Gartner, by 2023, companies that use smart contracts - voluntarily or by external necessity - will see a 50% increase in the overall quality of their data. Conversely, these smart contracts could reduce the availability of data for these same companies by 30%. A decrease linked to the inherent risks on governance and consensus of a blockchain.

An overall positive impact: However, the net impact of smart contracts would be "positive" for data management and analysis, as they "improve the transparency, timeliness and distribution of decision making," as well as the quality of decision making, according to Gartner's findings. This is due to the continuous verification of blockchains, which makes the data "more accurate, reliable and trustworthy".

"Smart contracts are important (...) they promise an almost certain exchange of trust. Once deployed, smart blockchain contracts are immutable and irrevocable (...), which imposes a binding commitment to do or not to do something in the future. In addition, they eliminate third party intermediaries and their fees," Lydia Clougherty Jones, senior director of research at Gartner. Gartner concludes its press release by recommending that leading players in the data and analytics industry "start testing smart blockchain contracts now", first with simple processes and then to automate more complex processes. Distributed register technology (DLT), popularized by Bitcoin, has brought with it a host of new innovations. Smart contracts are a good example, and more and more research is taking their disruptive potential in various industries very seriously. Crown is also leading the way in this technology.

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jr. member
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Quote











With the blockchain it is possible to collect unique digital assets, how does it work?

crypto-collectible
The blockchain technology has allowed the emergence of crypto currencies, these are digital assets carrying a value, they are identical, i.e. you cannot differentiate one Bitcoin from another, they all have the same characteristics. The blockchain has also made it possible to create unique digital assets to be collected, in English we speak of "collectible crypto".

The unique digital assets to be collected therefore have a certain value due to their rarity.
The blockchain secures the unique aspect of the asset, making it impossible to make a copy. The only way to obtain the collectible is to buy it from its owner or to exchange it for another collectible. This is, quite simply, the collector's item sector transposed into the digital world.



Is it possible to make money with these digital collectibles?
There are several types of collectible crypto, which have the characteristic of being rare, sometimes even legendary! They are often intimately linked to the game world.


Where do you store your collectibles?
You have to store them like crypto coins in a wallet. By using the blockchain technology and this standard, the tokens are indivisible and their uniqueness is guaranteed thanks to the blockchain.


Which games include collectibles on the blockchain?
The Ether Quest game is an RPG that allows you to lead unique soldiers to collect and train to win battles against other players. New soldiers are "released" through a mining process. A platform called "Mycryptons" allows you to collect cryptons that are representations of public figures from Donald Trump to Oprah Winfrey.  One of the most famous token collection platforms is Cryptokitties, it made the "buzz" at the end of 2017 when crypto currencies had a high valuation. A cryptokittie is a kind of kitten to collect. One of these items was bought for $120,000! This game was then taken up by the detractors of crypto-currencies who explained that the majority of the transactions made on Ethereum were only used to run a kitten collector's game...

Today, the sports sector is developing many use cases around these digital collectibles.
With the aim of building fan loyalty around unique digital figurines featuring their favourite players! Teams from Dortmund, Benfica, Real Madrid and Arsenal are the first to test this new market.


Crown CRW is in the place to tokenize all material and immaterial goods and digitize their ownership property on the blockchain engraved in forgery-proof stone!

To come with Crown's "smart contracts", it is possible to unlock the transfer of "ownership" in a temporized and decided way (in a block) at a precise date (at a specific and decided time) as for an inheritance for example .
jr. member
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Quote
***thanks to Guillaume for his precious help

What is a non-fungible token (NFT) or non-fungible token?
While much of the market trade is done through tokens or cryptomoney, their uses are not always relevant. Indeed, if we go beyond monetary transactions, for some specific cases of exchange of unique goods or digital collectibles, we face a problem, it is for these transactions that non-fungible tokens can be useful.

To understand this, we must first ask ourselves the question of fungibility. A copy (or specimen) of a good is said to be fungible if it is interchangeable with another of the same quality and quantity, without distinction between the two. To illustrate the concept, two Bitcoins can be interchanged, even if they do not necessarily have the same transaction history. However, they are not, in theory, completely fungible, because of the history established for each. The most classic example of a fungible good is therefore coins or banknotes, which are fungible as long as the institutions that issued them allow them to exist.

An example of extreme fungibility is that of anonymous crypto-currencies, which do not have unique characteristics such as a serial number, for example.

Thus, a non-fungible token can be summarized as a token with unique characteristics, and whose value may be different from another. But it still has common attributes among all goods of the same type. The greatest examples of non-fungible goods are collectibles, such as trading cards or stamps. Indeed, while each collectible stamp belongs to the large set of "stamps", it also has unique characteristics that allow other subsets to be established and valued differently from other stamps. Similarly, non-fungible tokens may share some of their attributes with other tokens, but it is the set of the latter that makes it unique.

But then how does non-fungibility fit into cryptomoney? If we look at the different cryptocurrency and tokens in the ecosystem, we find a lot of fungibility. The units of bitcoins and ethers are all fungible - in principle - and the same goes for stablecoins.



For example: NFTs in video games.
The video game industry - or rather the niche of video games that are meant to be decentralized - quickly understood the interest of these unique tokens. Indeed, these tokens can easily represent many objects that are currently traded in existing video games. And that doesn't necessarily represent in-game purchases against virtual and worthless currencies, but also in hard currency. Using NFTs for these various in-game items would give players real ownership over them.

Let's transpose this hypothesis to one of the video games of the moment: Fortnite. This free game finances its development through its in-game shop that allows players to buy various digital items for their characters against V-bucks, the game's virtual currency. The use of non-fungible in-app or in-game digital tokens could, according to some, allow to modify the dynamics of secondary markets in these digital worlds.

These avenues are being explored by Ubisoft in particular, even if we will have to wait for the time being to see the first practical applications in the daily lives of gamers.


* It should be remembered that in this case, the global market is expected to generate more than 165 billion euros in 2019.


Let's take the example of Gods Unchained, which is a virtual card game based on the NFT. Players therefore obtain real digital ownership of the cards they have bought, which they can freely use in the game, sell or trade as they wish.

or CryptoKitties CryptoKitties is the first video game using NFTs to have contributed to the democratization of this unique token system. It was at the end of 2017 during the general enthusiasm for cryptomoney that CryptoKitties received a great success from the community. The concept is quite simple since it consists in the deployment of NFTs representing cats and their unique characteristics through a "DNA" then coded in Solidity. These cats can breed with each other and thus give birth to new cats with unique characteristics.

The value of one of these cats depends on various factors mainly related to its rarity. The generation of that cat can be a factor, knowing that there are only 50,000 cats of generation 0, and that the generation of a cat depends on those of its parents. But there are also rarer types of cats, and characteristics that are more sought after than others. The value of a particular cat depends completely on supply and demand. Purchases are made in the form of auctions.

Note that, in physical collecting contexts, some contractors or artists are considering co-integrations linking real-life physical collectibles and their property rights modelled by such tokens. This is, for example, the case of Pascal Boyart, who tokenizes some of his frescoes and then puts them up for auction in a more or less fractional form.


What future for non-fungible tokens?
The concept of NFTs gave birth to "theory" a few years ago but now, in 2020, these last technologies are still very young. But the ecosystem is continuously developing. So we can expect developments in the coming months. First of all technical, could for example allow to bring new ways of interaction between fungible and non-fungible tokens, or even to constitute NFTs encapsulating other NFTs.

The Crown NFTs solution open up a field of unlimited possibilities by giving a real property of belonging to the latter. Applicable to all sectors, Banking, Real Estate, Health, Agricultural, Identity, Presidential Voting, Insurance, Communication, Energy, Art, Consumer Goods, IoT Internet of Things, Programming modules, Depth Learning, Artificial Intelligence, Video Games and other many domains.

Crown is positioned in these totally innovative ways. That's why I suggest you get on board, communicate about Crown and share, because a lot of positive things are going to happen with Crown CRW (Roadmap), just think about it Wink

Crown is on a concrete step towards Web 3.0 and CRW to its own development code open to all.



Learn more and get on board

https://www.crownplatform.com/  --- https://crowncentral.net/ ---




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https://medium.com/crownplatform/crown-platform-nft-framework-part-2-f713fe6cd81c

Crown Platform NFT Framework (Part 2)

In which our NFT framework developer, Artem, explains the functionality and use of the nftproto RPC


In the first article https://medium.com/crownplatform/crown-platform-nft-framework-18d88f9db76 I explained the basics of the Crown Platform NFT Framework and how to start using it. If you didn’t read it, it’s recommended to do that before going forward. Today we will discuss the generation of the NFT protocols.

Non-Fungible Token Use Cases
Before proceeding I would like to mention that non-fungible tokens are gaining more and more traction in the blockchain industry. Business owners and developers are building use cases to leverage this technology. The phrase “tokenisation of assets” became a topic of many discussions at blockchain conferences. Interest is growing because of all the possible ways the technology can be used to simplify peoples’ lives and move ownership from the hands of companies to the hands of their users. These are some use cases of how you can apply the Crown NFT Framework in:

-Highly secure supply chain applications, where the goods’ authenticity can be proven by the blockchain
-Crypto-collectibles games, for example Cryptokitties and Gods Unchained
-Different forms of certificates (ISO documents, academic credentials, etc.)
-Digital art
-Physical goods tokenisation. Property titles (houses, cars, etc.)
-Fractional ownership of physical objects
-Financial assets
-Tickets for events
-Software and hardware licensing
-Digital identity
-Proof of existence
-Limited editions of valuable data sets

Crown Community Cards
A simple use-case built to demonstrate some of the capabilities CrownPlatform and NFT’s have to offer. Crwcards.com will offer the Crown community credit card sized plastic “NFC” enabled cards with unique designs by blockdesigns.net. The card holds a link (URL) and metadata (text). Once a card is scanned by a phone, for example the link is immediately activated and the phone is taken to the users own webpage on crwcards.com. The webpage shows each card and holder the user owns along with the metadata contained in the NFT associated with the card. The text or metadata on each card and holder is a direct copy of the NFT metadata and is written in JSON format for easy digital reading.
{  
   "CardDetails": {
     "Username": "defunctec",
     "WalletAddress": "tCRWakMb8VWWj7kMcoaSKo65yT9APo1B9yA7w",
     "Tier": "1",
     "CardHash":   "c68ec016e5b28f63cb3cd2d922e6bdace5906eab54bd615d6da4514ba216c733",
     "Version": "1",
     "CreationDate": "28/01/20",
     "Active": "true"
   }
}
{
   "HolderDetails": {
     "Username": "defunctec",
     "WalletAddress": "tCRWakMb8VWWj7kMcoaSKo65yT9APo1B9yA7w",
     "Tier": "1",
     "HolderHash": "3dd3c016e5b28f63cb3cd2d922e6bdace5906eab54bd615d6da4514ba216c732",
     "Version": "1",
     "CreationDate": "28/01/20",
     "Active": "true"
   }
 }
Crwcards.com are currently researching and developing a mobile application to scan cards and holders to confirm they match with the NFT details fetched from the blockchain. The app will be simple, one swipe and the app will confirm with a green tick or a red cross.

Non-Fungible Token Protocols
As I pointed out in the previous article, when you register an NFT protocol you define a set of rules for your non-fungible tokens registry. They must comply with pre-defined rules during registration and other operations (transfer, update, delete). The NFT protocol rule set contains the list of properties defined below. In the future these rules will be extended to adapt to other developers’ needs:

Token Protocol Id
NF token protocol unique symbol/identifier, can be an a abbreviated name describing this NF token type. Represented as a base32 string, can only contain characters: .abcdefghijklmnopqrstuvwxyz12345. Minimum length 3 symbols, maximum length 12 symbols.

Token Protocol Name
Full name for this NF token type/protocol. Minimum length 3 symbols, maximum length 24 symbols.

Token Metadata Schema URI
URI to schema (json/xml/binary) describing metadata format.
Token Metadata Mime Type
MIME type describing metadata content type, default: "text/plain".
Is Token Transferable
Defines if this NF token type can be transferred. Default: true.
Is Metadata Embedded
Defines if metadata is embedded or contains a URI. It's recommended to use embedded metadata only if it's shorter than URI. Default: false.
NFT Registration Signature
Defines who must sign an NFT registration transaction. Possible values:
- Self-Sign. Signed by the new token owner
- Sign by the NFT protocol creator
- Sign by the NFT transaction fee payer

Maximum Metadata Size

Defines the maximum size of the NFT metadata. Default: 255. Absolute maximum size: 255.

Token Protocol Owner Address

Owner of the NF token protocol.

When you create an application that will use Crown non-fungible tokens, you should make some technical decisions first:
Create a unique NFT protocol ID and and a readable protocol name.

Define metadata mimetype, for example: application/json, text/plain, application/xml etc. Also define a metadata schema URI if needed. It should contain a schema of the chosen mimetype.

Decide if you want to embed metadata on the blockchain or just to keep a URI to the metadata. It can be an IPFS URI for example. Usually it’s recommended to keep a URI, unless it’s longer than the metadata you want to save. Also, be aware that the longer metadata field will be — the higher fee you will have to pay for it.

Decide if you want your NFTs to be transferable in the future.
Define an algorithm of how your tokens will be generated. Each token ID must be a unique 256-bit number. It can be a random number, a counter, the result of a 256-bit hash function, a combination of these methods or something else that gives a unique outcome.
One of the most important decisions you have to make is to choose the NFT Registration Signature type. This field will define who will have the authority to sign new NFT transactions of your protocol. There are always at least two signatures present in every NFT transaction. One signature is a part of standard transaction flow. That signature belongs to a private key that pays the transaction fee. The second one can be one of the three types explained below.

NFT Registration Signature Types
Sign by the NFT protocol creator — defines a rule where each NFT generated must be signed by the Token Protocol Owner Address that was registered in the protocol transaction. It creates a flow where the protocol creator can control the process of issuing new tokens. In the first article we compare Crown NFTs to the Ethereum NFTs. This type of transaction generation can be compared to the mintable ERC721 token contract. In this implementation there is a minter (or minters) who have authority to generate new tokens and assign ownership of them. This approach can be applied to many different use cases, mostly when you put some valuable assets on the blockchain, or your business logic requires ability to govern the assets generation. For example, think about the Cryptokitties collectible game. In this game you can create new kitties by minting and breeding them. It wouldn’t be much fun if you could mint or breed cats every second and everybody could gain ownership of millions of them. So there are some rules applied that won’t let you do that (check out this article if you want to find out more about how the game works). The same approach can be applied to the Crown Platform. The difference is that you will put your business logic on your application back-end, and simply define rules for the NFTs on the Crown blockchain. That logic and the rules will manage the way your tokens are generated including the mandatory signature of the protocol creator. Other use cases for such type of protocol could be: secure supply chain, proven form of certificates. physical goods tokenisation, financial assets registration, licensing, etc.
Self-Sign. The difference from the Sign by the NFT protocol creator is that an NFT must be signed by the key of the created token owner, instead of the protocol creator owner key. This approach will fit use cases where you as an application/protocol creator don’t have to approve each token generation. Of course, they still have to comply with all the protocol rules, otherwise a transaction will be rejected by the blockchain. Such a model can be applied to use cases where no approver is needed, like proof of existence of information, ownership and provenance of an artwork or similar entity, self-sign certificates, etc.

Sign by fee payer means that neither protocol owner signature nor NFT owner signature is required. A token can be generated and assigned by anybody to an arbitrary Crown address. This is the least constrained type. You can use it for the same use cases as the Self-Sign approach if your model fits into it, or something like a gift-cards application. You can also leverage it for other use cases listed above if you want to allow such type of tokens generation.

NFT protocol API
In the first article I explained how to use the nftoken APIs. In the next release you will also have access the nftproto APIs that manages creation and access to the NFT protocols:

nftproto register|list|get|getbytxid|ownerof

You can get the same list and details on each API using help nftproto or help nftproto calls from the Crown wallet command line or crown-cli tool. To register a new NFT protocol you simply have to call the nftproto register API with the defined list of rules. They will manifest the technical and business decisions about your token application.

In Part 1 we introduced a crypto-collectibles game — CryptoKnights. It’s a game where you can own digital assets that represent unique knights. Every other instance has different properties based on the DNA generation algorithm, just like with the Ethereum Cryptokitties game. Now we’ll define a list of properties for our new NFT protocol:

Protocol Id: ckt
Protocol Name: CryptoKnights Collection
Generate the NFT protocol owner address:
NFT Registration Signature: Sign by the NFT protocol creator
Metadata mimetype: application/json
Metadata schema hosted at the URL: https://api.myjson.com/bins/16m4o2
{
    "title": "Asset Metadata (Ethereum compatible metadata)",
    "type": "object",
    "properties": {
        "name": {
            "type": "string",
            "description": "Identifies the asset to which this NFT represents"
        },
        "description": {
            "type": "string",
            "description": "Describes the asset to which this NFT represents"
        },
        "image": {
            "type": "string",
            "description": "A URI pointing to a resource with mime type image/* representing the asset to which this NFT represents. Consider making any images at a width between 320 and 1080 pixels and aspect ratio between 1.91:1 and 4:5 inclusive."
        }
    }
}
The metadata will not be embedded, it will contain a link to the metadata URI
Our token should be transferable
The token generation process will be a result of the SHA256 hash function with the pre-image: concatenation of a unique number and the metadata itself

To register the protocol from the Crown command line you will make a call:
nftproto register ckt “CryptoKnights Collection” CRWKXU1RRRmizKf2J74XuZjYPxUzMd7QSsB4 2 “application/json” “https://api.myjson.com/bins/16m4o2" true false 255

As a result you will get a transaction ID: 127eca7233dc2d9130d88387f55d8931cab63935fd686935529896006217769a. To uniquely identify an NFT protocol you can use the protocol ID or the transaction ID. Now you can query information about protocol(s) using other nftproto APIs:
nftproto get ckt
result:
{
    "blockHash" : "b4f4c3d0c90afb13020be9afd86f8e523d013d2d35e2e81a4c11e97b82c466d4",
    "registrationTxHash" : "127eca7233dc2d9130d88387f55d8931cab63935fd686935529896006217769a",
    "height" : 570,
    "timestamp" : 1580224126,
    "nftProtocolId" : "ckt",
    "tokenProtocolName" : "CryptoKnights Collection",
    "tokenMetadataSchemaUri" : "https://api.myjson.com/bins/16m4o2",
    "tokenMetadataMimeType" : "application/json",
    "isTokenTransferable" : true,
    "isMetadataEmbedded" : false,
    "nftRegSign" : "SignByCreator",
    "maxMetadataSize" : 255,
    "tokenProtocolOwnerId" : "CRWKXU1RRRmizKf2J74XuZjYPxUzMd7QSsB4"
}
nftproto ownerof ckt
result:
CRWKXU1RRRmizKf2J74XuZjYPxUzMd7QSsB4
nftproto list
result:
{
    "blockHash" : "b4f4c3d0c90afb13020be9afd86f8e523d013d2d35e2e81a4c11e97b82c466d4",
    "registrationTxHash" : "127eca7233dc2d9130d88387f55d8931cab63935fd686935529896006217769a",
    "height" : 570,
    "timestamp" : 1580224126,
    "nftProtocolId" : "ckt",
    "tokenProtocolName" : "CryptoKnights Collection",
    "tokenMetadataSchemaUri" : "https://api.myjson.com/bins/16m4o2",
    "tokenMetadataMimeType" : "application/json",
    "isTokenTransferable" : true,
    "isMetadataEmbedded" : false,
    "nftRegSign" : "SignByCreator",
    "maxMetadataSize" : 255,
    "tokenProtocolOwnerId" : "CRWKXU1RRRmizKf2J74XuZjYPxUzMd7QSsB4"
}
The nftproto list is an API that will return you a list of existing NFTs based on provided arguments (use help nftproto list for the details).


If you want to have a look at more interactive tutorials, feel free to watch these videos:

NFT Protocol Registration

https://www.youtube.com/watch?v=RZal25BIV1k&feature=emb_title

NFT Reading API

https://www.youtube.com/watch?time_continue=784&v=5rvd2tLvHG4&feature=emb_title

Crown Platform Sandbox

https://youtu.be/2GywilJsaes
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https://medium.com/crownplatform/nft-framework-v0-13-9-3-released-f0b757d9ed37

NFT Framework v0.13.9.3 released
The long awaited second part of the NFT framework has arrived in testnet

Many months ago we released the first part of NFT framework into testnet with version 0.13.9.0. At the time we expected to release the second part in September or October 2019. Unfortunately the long running crypto winter put a crimp in our plans. Fortunately our framework developer, Artem, has stuck with us and today we are finally releasing the second part of the NFT framework.

Recent community participants in Discord and Telegram know that the v0.13.9.1 code was actually available soon after last week’s development update meeting. Since then Artem has already fixed a couple of issues. He believes v0.13.9.3 is a solid basis for testers to begin thrashing and developers to begin building their applications.

In the last few days he has released three instructional videos, aimed at developers, explaining how to use the sandbox test system, how to register NFT protocols and how to query them. Yesterday he released some written documentation for those who prefer not to watch movies or who want to solidify their understanding of the new functionalities.

The release process has been something of a soft launch with no blaring marketing effort. We are saving that for the mainnet release.

Developers and experimenters have a choice of test environments. They can use private sandboxes which isolate their work from the world at large, or the public testnet which allows for wider participation. Artem expects most developers will want to begin their testing in sandboxes before deploying to a wider audience in testnet.

Community members interested in helping test the release are invited to do so in testnet. Questions and feedback are welcome through Discord (preferred) and Telegram. Bug reports directly in Gitlab are welcome too. If there’s an existing Gitlab issue you want to comment on, but you don’t have or don’t want to request a Gitlab account, you can use the gitlab-updater bot in Discord to add comments to it.

The more members who experiment with the new functionality, the more and the quicker we can find issues for Artem to address before the mainnet release. The code has already been fairly well tested so we’re not expecting to find any showstoppers. But the more people that play with it, the more chance we can find and fix minor issues ahead of the mainnet launch.

Executables for linux, Mac and Windows are available for download here. https://gitlab.crownplatform.com/crown/crown-core/pipelines/1163

The instruction video for sandbox use is here. https://www.youtube.com/watch?v=2GywilJsaes

If you want to setup a new testnet wallet or node from scratch there is a simple variation of the normal installation/upgrade script which takes care of downloading the chain snapshot available here https://gitlab.crownplatform.com/crown/crown-core/raw/Current-dev/scripts/crown-testnet-install.sh. Download it, make it executable and run it as

./crown-testnet-install.sh -b -c -j 7076

to install the linux-64 version and run it as a wallet.

If you already have a testnet wallet or node set up and simply want to update to v0.13.9.3 you can run either the script with the -j 7076 option to download the current executables.

If you are reading this more than a few days after publication check in the #testing-nft channel in Discord for the correct job number to use since it may have changed.

Artem is keen to receive feedback and your comments, questions and suggestions are welcome. The best place to make them is Discord.
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Activity: 73
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Hello what are the technical specifications of Crown environment? Where can I find them?

On this road https://docs.google.com/document/d/1WE9ikiSieQvyiM0iSY7hJh1h6HXIdQZJFD9jkJPW6dc/edit crown-core

and CRW source code on https://gitlab.crownplatform.com/crown/crown-core

Other: https://medium.com/crownplatform

Speak with Team in live at https://discordapp.com/invite/rB3Kr86


Since 2014, Crown Platform has evolved to provide optimal security and specific features to move to a new form of interactive channel marketing, including the ability to create:

- Non-Fungible Tokens (NFTs) is a special type of cryptographic token that represents something unique; therefore, non-fungible tokens are not interchangeable.

- Applications (DApps ), control programs for the Internet of Things. Programming modules for in-depth learning and Artificial Intelligence.

- Decentralised interoperable Blockchains within the CRW network.

- News forms of marketing and web 3.0


CROWN website: https://www.crownplatform.com/

CROWN CENTRAL: https://crowncentral.net/
https://discordapp.com/invite/rB3Kr86
https://twitter.com/crownplatform
https://www.facebook.com/crownplatform
https://www.instagram.com/crownplatform/
https://www.youtube.com/channel/UCCKAgkSSOI-fIqcAEHR1rXw
https://www.linkedin.com/company/crown-platform/
https://t.me/crownplatform

CROWN source code on https://gitlab.crownplatform.com/crown/crown-core

Speak with Team in live at https://discordapp.com/invite/rB3Kr86

CROWN BITCOINTALK https://bitcointalksearch.org/topic/anncrw-crown-sha256-platform-governance-systemnodes-masternodes-815487

CROWN MEDIUM https://medium.com/crownplatform

CROWN REDDIT https://www.reddit.com/r/Crown/

CROWN History: https://www.crownplatform.com/about/#history

Team & Contributors: https://www.crownplatform.com/about/#team

Explorer: https://chainz.cryptoid.info/crw/

CROWN NFT DOC - NFT Framework Simple assets registration on the blockchain. The NFT (non-fungible tokens) framework is a registry subsystem which enables the community to register physical or digital assets on the Crown blockchain.https://docs.google.com/document/d/1WE9ikiSieQvyiM0iSY7hJh1h6HXIdQZJFD9jkJPW6dc

CROWN NFT Framework Paper: https://medium.com/crownplatform/crown-platform-nft-framework-18d88f9db76


Crown Paper 1.0 - Governance
In this paper, the Crown team provides a brief background on the platform, introduces its governance concepts, and outlines how the project will interact with both the technology and the community. https://crownplatform.com/wp-content/uploads/2018/04/CRW1.0-Governance.pdf

Crown Paper 1.1 - Identity In this paper, Crown defines its concept of identity and explores the key driver behind the platform’s development and success. https://crownplatform.com/wp-content/uploads/2018/04/CRW1.1-Identity.pdf

Crown Paper 2.0 - Introduction & Features
In this paper, the Crown team introduces the core entities that will form the platform, and the design principles it will use alongside the development process.
https://crownplatform.com/wp-content/uploads/2018/04/CRW2.0-Introduction-Features.pdf

Crown Paper 3.0 - Applications
In this paper, Crown’s team describes its vision of how applications will fit into the platform, and how the platform will allow those applications to operate as business entities. https://crownplatform.com/wp-content/uploads/2018/04/CRW3.0-Applications.pdf

Crown Paper 4.0 - Combinations & Permutations
In this paper, the Crown team explains what makes the project unique, detailing some of the proposed use models for its platform. https://crownplatform.com/wp-content/uploads/2018/04/CRW4.0-Combinations.pdf

Crown Paper 5.0 - Symbols, Skyhooks & Survival
In this paper, the Crown team discusses the power and significance of symbols, revealing the meaning behind its namesake headdress. https://crownplatform.com/wp-content/uploads/2018/04/CRW5.0-Symbols.pdf

Crown Paper 6.0 - Sharing & Open Teams
In this paper, Crown contextualizes the relationship between economic, social and technological change, delving into how these connections influence blockchain technology and Crown’s future goals. https://crownplatform.com/wp-content/uploads/2018/04/CRW6.0-Team.pdf

Crown Paper 7.0 - A Personal Story
In this paper, one of Crown’s team members describes why he became involved with the platform. https://crownplatform.com/wp-content/uploads/2018/04/CRW7.0-Stories.pdf

Crown Paper 8.0 - Crown Atomic Features
In this paper, the Crown team discusses three development proposals for the community at large to consider and vote on. https://crownplatform.com/wp-content/uploads/2018/04/CRW8.0-Atomic.pdf

STYLING GUIDE
http://nextcloud.crownplatform.com/nextcloud/s/QapQ3eB2TFokCeQ


Contact: https://www.crownplatform.com/contact-us/



FILIP MAJOR FOUNDER OF CROWNCOIN (PRECURSOR TO CROWNPLATFORM)
https://cz.linkedin.com/in/filip-major-7937b868

JAN BRODY FOUNDER OF CROWNCOIN (PRECURSOR TO CROWNPLATFORM)
New account: https://medium.com/@janbrody

PAUL JENKINSON INFRASTRUCTURE ENGINEER
https://twitter.com/DevPJ

CROWN CENTRALE https://twitter.com/CrownPlatform

EDWARD MORRA CROWN SYSTEM ADMINISTRATOR
https://twitter.com/EdwardMorra_CRW

CAL NAUGHTON JR CROWN Platform Business Development
https://twitter.com/NaughtonJnr

ARTEM BRAZHNIKOV CROWN TECH LEAD
https://www.linkedin.com/in/artembrazhnikov/
https://twitter.com/dev_artem

ASHOT KHACHATRYAN CROWN C++ DEVELOPER
https://www.linkedin.com/in/ashkhachatryan/
https://twitter.com/ashkhachatryanh

Aitor Ibañez CROWN C++ JavaScript developer & frontend & smartContracts
https://twitter.com/aitoribanez_

CHRIS KIBBLE CROWN PR & MARKETING
https://www.linkedin.com/in/chris-kibble-test-manager/
https://twitter.com/Chr1s_K1

MATT BLACK CROWN webdeveloper
https://twitter.com/the_mattblack

OLYA SUHOVIRSKAYA CROWN SOCMA
https://www.linkedin.com/in/olya-suhovirskaya-1b363215b/

DAN JAMES CROWN STRATEGY ADVISOR
https://www.linkedin.com/in/amesdaniel/

DAVE MIDNIGHT CROWN engineer
https://twitter.com/crowntechltd

INIGO VAN DIJK WEB DEVELOPMENT
https://twitter.com/CrownInUa

And others CROWN contributors at: https://discordapp.com/invite/rB3Kr86
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Hello what are the technical specifications of Crown environment? Where can I find them?
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How to set up a sandbox environment for Crown developers

In this educational video for developers, Artem (Crown Tech lead) explains how to set up a sandbox testnet environment. The video has a theoretical and practical part. Watch it on the Crown youtube channel:

https://youtu.be/2GywilJsaes

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How to work with the NFT APIs and read NFToken information on Crown Platform

https://youtu.be/5rvd2tLvHG4
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How to register NFT Protocols and Tokens on Crown Platform

https://youtu.be/RZal25BIV1k

Third video "NFT API" comes next
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