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Topic: [ANN] ♬ Opus - Beta-Ready Decentralized Music Sharing; Running on IPFS and ETH ♬ - page 77. (Read 108610 times)

hero member
Activity: 686
Merit: 500
ICO for OPUs has not been finished yet. There are plenty of time to contribute. It will be on the right IMHO. One of the successful ICO this year.

I completely agree!!!  I will invest on the last day of the ICO
sr. member
Activity: 436
Merit: 250
I wonder if there will be a streaming flatrate plan like spotify? Or will you always have to pay for every song you want to "own"?
hero member
Activity: 756
Merit: 500
Devs if you sell about 50mln OPUS tokens is it will be enough for you to consider ICO like successful and continue your job?
If not, what is the next step?
I'm sure they're not going to do that. The project is underfunded and they might have to conduct another ICO in the future with the tokens.
No, in currently the raised funds has reached minimum target and although this funds is small, they still can development their project normally. You can see many more project in recently successfully with small funds, example: AdEx, Bitquence
sr. member
Activity: 756
Merit: 255
ICO for OPUs has not been finished yet. There are plenty of time to contribute. It will be on the right IMHO. One of the successful ICO this year.
5 days Amigo, its not to much. I really like this idea and in other time for sure it may be successful. If bounty and ICO have been started one month later its have been other story.
 In a begining of ICO someone in a thread was talking about that better to transfer starting day of ICO for 2-3 weeks and it was correct.
 I really like to see this project in live that is why i want to know devs decision.
hero member
Activity: 1022
Merit: 504
GoMeat - Digitalizing Meat Stores - ICO
ICO for OPUs has not been finished yet. There are plenty of time to contribute. It will be on the right IMHO. One of the successful ICO this year.
YIz
hero member
Activity: 686
Merit: 502
Devs if you sell about 50mln OPUS tokens is it will be enough for you to consider ICO like successful and continue your job?
If not, what is the next step?
I'm sure they're not going to do that. The project is underfunded and they might have to conduct another ICO in the future with the tokens.
sr. member
Activity: 756
Merit: 255
Devs if you sell about 50mln OPUS tokens is it will be enough for you to consider ICO like successful and continue your job?
If not, what is the next step?
newbie
Activity: 12
Merit: 0
Another question is: who knows the tune's symmetric key and is able to encrypt it for new purchasers? Will the publisher have to run a node that does this for new customers?

Good question. I'd like to know as well.

Another question: Can the purchase price of a song be changed after publication?

hero member
Activity: 700
Merit: 500
I guess the good money are gathering. my friend recommended it. but my signature space is full because I wasn't interested. I've read a bit now.
"I am posting this thread on behalf of the opus team and I would  like to say that I do believe the product they have created and it has true potential to completely disrupt the music industry; Unlike 95% of projects on Bitcointalk, they have a working beta, a great team, and a physical office." this also shows that are realistic. Wink they want to show the market that's been successful by entering into bitcoin.
sr. member
Activity: 284
Merit: 250
sr. member
Activity: 1148
Merit: 269
Why isn't number of tokens has sold shown anymore? Anyone know the reason?
Look a little bit lower than before


more then 35 million token are sold thats great and more then six days left for ICO end
this is gonna be huge in music industry
i will hold my coins for at least one year because i believe in long term investments
let's buy more OPUS
member
Activity: 113
Merit: 10
I have a technical question:
The whitepaper isn't very specific about how the encryption works.

Quote
What Opus uses is a lightweight public-private key-encryption model to restrict access to
only the “owners” of the song

As I understand it:
  • each tune is encrypted with a single symmetric key by AES256 and the encrypted tune is stored on IPFS
  • this symmetric key is distributed to each purchaser in end-to-end encrypted fashion via Ethereum smart contract, whereas the symmetric key is encrypted with the purchaser's public key for each purchaser individually

This means:
  • whoever knows the key and the IPFS hash can listen to the tune
  • whoever purchased the tune knows the key and can potentially share it publicly
  • moreover, encrypting the same key with millions of public keys will reduce the strength of the encryption (the whitepaper doesn't state if RSA or ECC key pairs will be used or how many bits they plan to use, so it's hard to quantify this flaw. 'lightweight' might mean few bits.

One way around this problem would be to end-to-end encrypt the tune for each purchaser individually. But this would mean that there is one file per purchaser that has to be stored (and one IPFS hash per tune and purchaser that has to be stored on the Ethereum blockchain). I doubt that such an amount of data can be stored economically, even with filecoin-like incentives.

Another question is: who knows the tune's symmetric key and is able to encrypt it for new purchasers? Will the publisher have to run a node that does this for new customers?
sr. member
Activity: 756
Merit: 255
Why isn't number of tokens has sold shown anymore? Anyone know the reason?
Look a little bit lower than before

full member
Activity: 658
Merit: 108
Why isn't number of tokens has sold shown anymore? Anyone know the reason?
sr. member
Activity: 588
Merit: 250
~33 Mio. Tokens sold
~1,2 Mio Dollar

95% of the Token will be held by the Team. They even shortened the Bounty Pool by 10 Times.

So yeah #NoComment
hero member
Activity: 896
Merit: 556
it seems like a whale stepped in,300 eth invested in OPT 3 days ago the bigger so far.
This ICO had a bad timing like many other ICO,however i still think Opus is really promising since there 's no decent decentralized music project running for now
hero member
Activity: 1022
Merit: 504
GoMeat - Digitalizing Meat Stores - ICO
Music is a billion dollar industry and OPUS will capitalize on that wave of success to introduce  the new blockchain technology on managing finances for artists and musicians.
full member
Activity: 714
Merit: 101
This Is Promissing Project
Hi dev.?
Why my third week stakeholder is empty?
Whereas I always attach the post report and tweet my original dithread.
Please fix it.
full member
Activity: 210
Merit: 100
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