Author

Topic: [PTA] Petrachor | PoS Ariel Protocol | Smart Contract Platform | BLS | BLS12-381 (Read 1116 times)

HrN
sr. member
Activity: 339
Merit: 250
I have invested 3 000$ today and i hope it will grow up ! Smiley
sr. member
Activity: 1050
Merit: 250
Revolutionizing Reward Points
i just know this project from coinmarketcap
because today this project listed on cmc and tradeable on hotbit
https://coinmarketcap.com/currencies/petrachor/markets/
newbie
Activity: 9
Merit: 0
https://youtu.be/fDr8OnO3a9g

Nice to see the development team working hard on the project. Keep it up.
copper member
Activity: 16
Merit: 0
newbie
Activity: 9
Merit: 0
I just made contribution to the auction. When do I receive payout?
copper member
Activity: 16
Merit: 0
I want to send PTA, I failed to send with this command.

curl -X POST --data '{"jsonrpc":"2.0","method":"eth_sendTransaction","params":[{"from": "0xf1714d1d16087b379a317b32019236337fa18661", "to": "0x7a9ee17c2221296adad0b4a1337d0d18b935f46c", "value": "100"}],"id":1}' 127.0.0.1:8545

The error message is as follows:curl: (7) Failed to connect to 127.0.0.1 port 8545: Connection refused


Please help me!

1. In order to broadcast your transaction, you must be running the Petrachor node, and it must be synced with the network. If your Petrachor node is not running, or you have not turned on the json RPC, then you cannot broadcast a transaction. Make sure your json RPC port is listening on the default port 8545 ./petrachor -j -v 8

2. Once your node is running and has imported all blocks, you can now broadcast a transaction. Make sure you do not close the terminal window that is running the Petrachor node, or else it will kill the program. One option for doing this is running the application "screen" (you can find instructions here). Another option is to open a second terminal window, so that you have the Petrachor node in one terminal and the command line in the second terminal. I would suggest using two terminal windows because if you are not mining, you will need to enter the master passphrase for your wallet, and your key passphrase if you created one, after you enter the sendTransaction command.

3. Make sure all values are in hexadecimal format. Your "value" must be converted to hexadecimal, so for sending 100 PTA you will use 0x56BC75E2D63100000

Your command should look like this:

curl -X POST --data '{"jsonrpc":"2.0","method":"eth_sendTransaction","params":[{"from": "0xf1714d1d16087b379a317b32019236337fa18661", "to": "0x7a9ee17c2221296adad0b4a1337d0d18b935f46c", "value": "0x56BC75E2D63100000"}],"id":1}' 127.0.0.1:8545
newbie
Activity: 22
Merit: 0
I want to send PTA, I failed to send with this command.

curl -X POST --data '{"jsonrpc":"2.0","method":"eth_sendTransaction","params":[{"from": "0xf1714d1d16087b379a317b32019236337fa18661", "to": "0x7a9ee17c2221296adad0b4a1337d0d18b935f46c", "value": "100"}],"id":1}' 127.0.0.1:8545

The error message is as follows:curl: (7) Failed to connect to 127.0.0.1 port 8545: Connection refused


Please help me!
copper member
Activity: 16
Merit: 0

Thank you very much for the detailed response.
The platform seems very promising. But one bottleneck that I'm seeing here is how you will get users on board?
Sure, you are making your blockchain light so more people can afford to have your app in their computers or phones, but you need long list of merchants to make your platform usable to them.
Otherwise, this is just another dormant app in their system.

We agree with you. Merchant adoption and payroll services are key to the integration of a currency, eliminating the need for an exchange.

We plan to use a series of proof of concepts, to demonstrate the benefits of Petra, utility tokens, and low transaction fees.

These free apps will help demonstrate many benefits of using Petra over fiat, while also providing an immediate benefit to those using the app.

By releasing proof of concepts, we hope to show off the advanced functionality and usability of Petrachor, and work with other app developers to help integrate the same payment system.
hero member
Activity: 2744
Merit: 588
I'm confused if this is just another PoS coin in the making.

Petrachor has been developed over the past 2 years, and the mainnet was launched on March 13. Everything in the description has been implemented.

Petrachor does use a Proof-of-Stake consensus, the Ariel Protocol. This works differently from other Proof-of-Stake smart contract platforms like EOS or TRON, because it does not use delegates. Every Petrachor node is an equal peer, and eligible to earn block rewards for contributing to the security of the network.

Bitcoin's Proof-of-Work consensus is similar to the Ariel Protocol. With Bitcoin, your hashrate determines your probability of finding a block, while with Petrachor your wallet balance determines this probability. The main innovation here is that computers are bad at creating randomness, but by using BLS cryptography, we are able to provide a secure truly random beacon to mimic the hashrate war that Proof-of-Work is famous for, but in an energy-efficient manner.

A blockchain protocol integrated to a fork of the ethereum source code, is that the reason why I'm seeing like eth addresses in your explorer?

Petrachor and Ethereum have identical address lengths and both are hexadecimal, but otherwise they are completely different. Ethereum uses ECDSA cryptography to generate a public and private key, while Petrachor uses BLS cryptography. The two are not compatible, so if you generate an Ethereum address, and send Petra to that address on the Petrachor blockchain, those coins are gone forever.

Why did we replace the signature scheme with BLS?
Many reasons, but I won't go into all of them. One cool thing about BLS signatures is that you can aggregate an unlimited number of them into one single signature. This will allow us to compact the chain data, saving space, and opening up new possibilities for light-clients running on mobile and other storage restricted devices.

What is your main use case for Petrachor?

You can probably see by now that our main focus is minimizing hardware requirements, bandwidth, and energy, which enables more people to maintain a copy of the blockchain, and ultimately maximizes censorship resistance. With this in mind, we have also changed the target block time from 13 seconds (ETH) to 30 minutes. That may seem like a long time, but again this choice is to reduce storage requirements, in particular block headers, which over many years can cause a large amount of blockchain bloat. But don't fear, we will be adding a payment layer for instant and confidential transactions, so you can use Petrachor with the same speed, reliability, and privacy as cash.

Petrachor also has designs to replace the Ethereum Virtual Machine with a new smart contract platform that will simplify and improve our ability to run decentralized applications. We will let you know when the new upgrade has been deployed.

Thank you very much for the detailed response.
The platform seems very promising. But one bottleneck that I'm seeing here is how you will get users on board?
Sure, you are making your blockchain light so more people can afford to have your app in their computers or phones, but you need long list of merchants to make your platform usable to them.
Otherwise, this is just another dormant app in their system.
copper member
Activity: 16
Merit: 0
newbie
Activity: 4
Merit: 0
Wow, I can definitely see how Petrachor has fixed some of the major problems with Bitcoin and Ethereum. That's really cool!
copper member
Activity: 16
Merit: 0
I'm confused if this is just another PoS coin in the making.

Petrachor has been developed over the past 2 years, and the mainnet was launched on March 13. Everything in the description has been implemented.

Petrachor does use a Proof-of-Stake consensus, the Ariel Protocol. This works differently from other Proof-of-Stake smart contract platforms like EOS or TRON, because it does not use delegates. Every Petrachor node is an equal peer, and eligible to earn block rewards for contributing to the security of the network.

Bitcoin's Proof-of-Work consensus is similar to the Ariel Protocol. With Bitcoin, your hashrate determines your probability of finding a block, while with Petrachor your wallet balance determines this probability. The main innovation here is that computers are bad at creating randomness, but by using BLS cryptography, we are able to provide a secure truly random beacon to mimic the hashrate war that Proof-of-Work is famous for, but in an energy-efficient manner.

A blockchain protocol integrated to a fork of the ethereum source code, is that the reason why I'm seeing like eth addresses in your explorer?

Petrachor and Ethereum have identical address lengths and both are hexadecimal, but otherwise they are completely different. Ethereum uses ECDSA cryptography to generate a public and private key, while Petrachor uses BLS cryptography. The two are not compatible, so if you generate an Ethereum address, and send Petra to that address on the Petrachor blockchain, those coins are gone forever.

Why did we replace the signature scheme with BLS?
Many reasons, but I won't go into all of them. One cool thing about BLS signatures is that you can aggregate an unlimited number of them into one single signature. This will allow us to compact the chain data, saving space, and opening up new possibilities for light-clients running on mobile and other storage restricted devices.

What is your main use case for Petrachor?

You can probably see by now that our main focus is minimizing hardware requirements, bandwidth, and energy, which enables more people to maintain a copy of the blockchain, and ultimately maximizes censorship resistance. With this in mind, we have also changed the target block time from 13 seconds (ETH) to 30 minutes. That may seem like a long time, but again this choice is to reduce storage requirements, in particular block headers, which over many years can cause a large amount of blockchain bloat. But don't fear, we will be adding a payment layer for instant and confidential transactions, so you can use Petrachor with the same speed, reliability, and privacy as cash.

Petrachor also has designs to replace the Ethereum Virtual Machine with a new smart contract platform that will simplify and improve our ability to run decentralized applications. We will let you know when the new upgrade has been deployed.
hero member
Activity: 2744
Merit: 588
What is your main use case for Petrachor?
I'm confused if this is just another PoS coin in the making.
A blockchain protocol integrated to a fork of the ethereum source code, is that the reason why I'm seeing like eth addresses in your explorer?
What does it really do to your advantage? Can you explain it in layman's terms?
copper member
Activity: 16
Merit: 0
If you run into any problems compiling the source code and connecting to the Petrachor network, please reach out to us on our Telegram Group. We will be happy to answer any questions you may have.

https://t.me/petrachor
copper member
Activity: 16
Merit: 0
Will Petrachor have layer 2 scaling or masternodes?

Petrachor will not have masternodes.

The Petrachor team is working on layer 2 solutions that enable instant, low-fee transactions.
newbie
Activity: 9
Merit: 0
Will Petrachor have layer 2 scaling or masternodes?
copper member
Activity: 16
Merit: 0
The Petrachor Telegram group is now open for general discussion:

https://t.me/petrachor
copper member
Activity: 16
Merit: 0
Right now we have a small team of developers working full-time.

We are currently focused on designing and implementing upgrades to the core chain, so that we can more easily extend functionality and usability in the future.
newbie
Activity: 22
Merit: 0
Thank you very much!

Are you a full-time developer? Why can't you find your team?
copper member
Activity: 16
Merit: 0
Why is my address like this?


  Address: f18297504f21b91d7c3d160d66d7c43e9cc5cbef 


It looks like you have successfully created a Petrachor address.

When using your address to send or receive funds, you will want to include the prefix "0x" to indicate that it is hexadecimal.

In your case you will use: 0xf18297504f21b91d7c3d160d66d7c43e9cc5cbef

You can now use your Petrachor address to participate in the auction or receive Petra from another account. Once you have Petra, you can begin interacting with the Petrachor blockchain.
newbie
Activity: 22
Merit: 0
So let's add the 0x to the front



Address Details
0xf18297504f21b91d7c3d160d66d7c43e9cc5cbef
newbie
Activity: 22
Merit: 0
Why is my address like this?


  Address: f18297504f21b91d7c3d160d66d7c43e9cc5cbef 
copper member
Activity: 16
Merit: 0
Petrachor has been designed to enable every user to run a full node, verify transactions, and remove dependence on third-parties.
newbie
Activity: 9
Merit: 0
Is Petrachor listed on any exchanges?

Petrachor is not yet listed on any exchange (to our knowledge).

Currently, the easiest way to get Petra, and start using the Petrachor blockchain is by participating in the daily auction.

Compiling the source code and running a node is easy. This ensures authenticity of the code, and allows you to generate a Petrachor address, which you can then use to get Petra from the daily auction.

Ok. Thanks for fast response. Will stick to auction for now. Please update when exchange listing happens.
copper member
Activity: 16
Merit: 0
I want to participate in this project, but I am a technical idiot and I cannot install Petrachor wallet.

I am a novice account, can not contact the developer private message. Please help me.


We are developing a GUI wallet to simplify the process of installing the Petrachor wallet, and interacting with the blockchain. In the mean time, please feel free to respond to my PM, and we will do our best to get up and running with the CLI client.
newbie
Activity: 22
Merit: 0
Eika4:
        Please contact me by email. I need your help.

        My email: [email protected]   
newbie
Activity: 22
Merit: 0
I want to participate in this project, but I am a technical idiot and I cannot install Petrachor wallet.

I am a novice account, can not contact the developer private message. Please help me.
copper member
Activity: 16
Merit: 0
Is Petrachor listed on any exchanges?

Petrachor is not yet listed on any exchange (to our knowledge).

Currently, the easiest way to get Petra, and start using the Petrachor blockchain is by participating in the daily auction.

Compiling the source code and running a node is easy. This ensures authenticity of the code, and allows you to generate a Petrachor address, which you can then use to get Petra from the daily auction.
newbie
Activity: 9
Merit: 0
Is Petrachor listed on any exchanges?
copper member
Activity: 16
Merit: 0
shit this looked really cool reading the OP
then it just turned into months of pre selling it seems  : /
shoulda made this more open distro
but i'm not gonna tell you how to fund YOUR project i guess haha

Good Luck!
this sounds really interesting



Thanks! We are glad to hear you like the project.

100% of the initial supply is distributed in the public auction. No presale, no private sale, and also no marketing, like Bitcoin.

The auction distributes 0.2% of the remaining Petra per day, so about 90% remain to be distributed, and about 50% will be distributed after the first year. Plenty of time left to grab some coins from the genesis balance.

In order to participate in the auction, you will need to generate a Petrachor address, which is different from an Ethereum address (BLS instead of ECDSA).
legendary
Activity: 1820
Merit: 1092
~Full-Time Minter since 2016~
shit this looked really cool reading the OP
then it just turned into months of pre selling it seems  : /
shoulda made this more open distro
but i'm not gonna tell you how to fund YOUR project i guess haha

Good Luck!
this sounds really interesting

copper member
Activity: 16
Merit: 0
Is this built on Ethereum or does it have it's own mainnet?



Petrachor has its own mainnet. It is not built on Ethereum.

Petrachor uses a new Proof of Stake consensus, instead of Proof of Work, so you don't need to consume large amounts of electricity to earn block rewards.

Petrachor is fully compatible with Ethereum Virtual Machine smart contracts, and dApps.
newbie
Activity: 29
Merit: 1
Is this built on Ethereum or does it have it's own mainnet?

newbie
Activity: 9
Merit: 0

The token you're referring to is a smart contract, deployed on the Ethereum blockchain.

Petrachor is a Proof of Stake blockchain, not a smart contract. You can deploy your smart contract on Petrachor, or any other EVM compatible chain.



legendary
Activity: 1339
Merit: 1002
newbie
Activity: 9
Merit: 0
The first Ethereum based proof of stake blockchain. Looking forward to auction.
copper member
Activity: 16
Merit: 0
Mainnet Launched






Petrachor is a comprehensive monetary system and blockchain application platform, empowering a decentralized Internet experience.

Our light-weight architecture blockchain can run from a phone, tablet, or desktop - never trust a third-party again.

Petrachor uses 100% original code for the Ariel Protocol - a resource efficient and censorship resistant Proof of Stake consensus.

All Petrachor wallets can mine - earn rewards, reduce inflation, and strengthen security.


Overview

Petrachor uses the Ariel PoS protocol, which is our custom implementation of the original iChing Proof-of-Stake consensus, a secure and eco-friendly Satoshi-style protocol. iChing is a natural mimic of Bitcoin consensus; as a result, scalability solutions for Bitcoin can be immediately used in Petrachor. By applying this blockchain protocol to a fork of the Ethereum source code, we deliver a powerful new dApp platform combining the energy-efficiency of PoS with the power and versatility of Ethereum.



Proof of Stake

Keeping in the spirit of naming consensi after ghosts, Ariel incarnates an academic protocol that was proven to satisfy important formal chain properties including common prefix, chain quality, chain growth, and chain soundness.


BLS Signature Scheme

The Boneh-Lynn-Shacham unique signature scheme is used for the core random beacon of Ariel. By also securing accounts with BLS, we pave the road towards interesting future extensions, such as multisignatures, threshold signatures and aggregate signatures.


BLS12-381 Elliptic Curve

The elliptic curve used by our signature scheme is BLS12-381, a Barreto-Lynn-Scott curve. This curve was introduced in Sapling, the latest upgrade to the ZCash protocol, with the aim to improve efficiency and security while reducing memory intensivity.



Specifications

Blockchain: Petrachor
Native Unit: Petra (PTA)
Resource: Proof of Stake
Consensus: Ariel Protocol
Initial Supply: 1,000,000,000 PTA
Target Block Time: 30 minutes
Minimum Coin Age: 256 blocks
Block Reward: 3% annually
Compute Engine: Ethereum Virtual Machine
Signature Scheme: Boneh–Lynn–Shacham
Elliptic Curve Pairing: Barreto-Lynn-Scott - BLS12-381
Mainnet Launch: March 13, 2019
StakeModifier: Bitcoin Hash Block# 566795



References

Short signatures from the Weil pairing
BLS Multi-Signatures With Public-Key Aggregation
A Scalable Proof-of-Stake Blockchain in the Open Setting



Source Code

Installation

Explorer

Telegram

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