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Questions tagged [colored-coins]

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Colored Coins - NFT comparison?

Is it correct to define Colored Coins such as a non fungible token standard for Bitcoin? Does a colored coin lose its fungibility once issued?
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2answers
72 views

Implementation of tokens/assets/colored coins on top of bitcoin lighning nodes / channels?

I'm trying to research how tokens or colored coins would work on top of bitcoin lightning channels / nodes. Has any project tried to build token issuance on top of the Bitcoin lightning network? How ...
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1answer
39 views

How do coloured coins work?

From what I can gather coloured coins add some additional data to a UTXO, I'm trying to understand what mechanism us used to store the extra data and how the data is maintained in tact if the UTXO is ...
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2answers
71 views

How to unlock colored coin?

In chapter 12 in Mastering Bitcoin it is talking about bitcoin application and one of them is colored coins. There is an example for colored coin output: The second one is colored coin output. It ...
4
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1answer
560 views

Bitcoin Protocol OP_RETURN + Omni USDT Tether + CoPay Multisig Help

I have been asked to recover some tether that have been sent to the wrong address... Sitting on the blockchain in a multisig copay account. I have written small php command line tools to reproduce ...
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1answer
232 views

How does Whopper Coin released in the summer of 2017 on the Waves platform solve the native fee problem inherit with many colored coin approaches?

Whopper Coin was recently released in Russia using the Waves platform, but what is the native fee a user has to pay when sending the Whopper coin back to the establishment? If a customer receives ...
6
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2answers
210 views

Problem of colored-coins/assets and other coins with a parent/child relationship of paying for fees with only the parent currency

I've looked into building out my own coin, but it was best to just piggy back on top of an existing blockchain like how colored coins and counterparty is doing it. But when going on this route, I run ...
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2answers
344 views

Colored coin adds meta data to OP_RETURN. Why isn't this frowned upon?

It seems that adding data to OP_RETURN is frowned upon and considered as bloating the blockchain. Blockchain.info wallet also had a short stint where users could include data into the OP_RETURN ...
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2answers
220 views

Is the idea of color coins/open assets still alive? Are there any interesting projects ahead on this way?

Since Ethereum has taken the way for smart contracts, it seems to me that the color coins projects have been abandoned in favour of the Ethereum ecosystem. But I might be wrong. Are there any ...
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3answers
91 views

How do Bitcoin and Colored Coin react to malformed transactions?

I need some help to clarify Bitcoin and colored coin mechanics. Are the assumptions below correct (and complete)? If an error (maybe a fraud) is presented in a Bitcoin transaction, nodes (including ...
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1answer
144 views

Colored coins implementation in Python

Is there any implementation of this Colored Coins Protocol in Python? I have found colored coins implementations in Python but, as far I as understand, they implement different protocol ...
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4answers
340 views

Is it true that colored coins or digital assets (counterparty / ethereum / nxt assets / etc.) have an issue of paying fees?

I'm looking to setup my own digital asset or coin on either counterparty or nxt assets or ethereum to distribute to my loyal customers, but I noticed that even if I created an account for my customers,...
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1answer
54 views

Are mastercoin transfers transparent on the blockchain?

The mastercoin specification (https://github.com/OmniLayer/spec) details an obfuscation process, but doesn't provide the motivation for implementing this obfuscation. Why does mastercoin use this ...
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1answer
264 views

Why is the Mastercoin Exodus address used in every mastercoin transaction?

Mastercoin initially did fundraising through 1EXoDusjGwvnjZUyKkxZ4UHEf77z6A5S4P. It now seems to be used in every Mastercoin transaction (it has been used in thousands of transactions). Why is the ...
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0answers
197 views

Blockchain.info block explorer error: Transaction rejected by our node. Reason: None Standard Script Output OP_RETURN 4f410100010100

Searching for a specific colored coin transaction on the blockchain.info block explorer yields this error: Transaction rejected by our node. Reason: None Standard Script Output OP_RETURN ...
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1answer
288 views

How smart property works on basic bitcoin blockchain?

How smart property works on basic bitcoin blockchain? I am not sure that how to make token, that is tied with a particular object, on the bitcoin blockchain. I've already know I can use such kind of ...
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1answer
563 views

Can you use any Bitcoin address as a Counterparty token receiving address?

I have a bunch of bitcoin addresses and I would like to just use them for receiving counterparty tokens. I've read that counterparty addresses are the same thing as a Bitcoin address. Is this correct? ...
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2answers
243 views

What happens to unclaimed Open Assets (colored coins) asset quantity units?

I'm trying to understand the Open Assets transaction example given here. Everything makes sense, more or less, until the end of the description: Output 6 receives the first 3 units of input 5. ...
4
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1answer
229 views

How can SPV nodes trust received Open Assets?

I was reading over the specification for the Open Assets (colored coins) protocol. It seems that keeping track of Asset ownership requires looking up the scriptPubKey for each input in a transaction, ...
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1answer
225 views

How can I interpret colored-coin raw transaction?

In order to complete a transaction, some parameters should be provided. Such as transfer_quantity (provided in OP_RETURN), destination_address (provided in vout.scriptPubKey) I am wondering where ...
6
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1answer
667 views

List of companies that has Implemented their own cryptocurrency or Color Coins in their business?

Is there a list of companies that has implemented either their own crptocurrency or went with the color coins approach into their business? I'm particularly looking for non-mining related companies ...
6
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1answer
149 views

Using Bitcoin for Bond Certificates

I have a product that is in development and I want to allow people to buy something like bonds to raise money for the project. I was thinking to develop my own protocol for defining these bond ...
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3answers
250 views

How many OP_RETURN transactions in the Blockchain would be too many?

I realize this question may not have an answer and therefore might not be suitable for SE, but I'm very curious about OP_RETURN transactions. OP_RETURN transactions appear to be the accepted ...
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1answer
188 views

colored coin possible with ring signatures and stealth addresses?

It is understood that colored coin is possible with stealth addresses, but what about ring signatures such as how they are used in the cryptonote protocol (Monero, Bytecoin)? I feel like coloring the ...
2
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1answer
99 views

Colored coin with stealth addresses

Is it possible to use colored coins with stealth addresses? My main consideration being that coloring a unit of cryptocurrency requires being able to keep track of its exact location at all times ...
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1answer
69 views

How to tax trading in colored coins representing fiat?

Say Kraken and Bitstamp both issue colored coins for USD, called KrakenDollars and BitStampDollars. Then I find an colored coins exchange where I can trade between the two, and deposit some ...
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3answers
1k views

What are some of the advantages & disadvantages of the following: Colored Coins and Counterparty

Seeing the release of coinprism wallet for colored coins and I'm also playing with counterparty.co What are the main differences among these two competing decentralized asset managers? I see that ...
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0answers
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signing colored assets to identify worthwhile assets

With colored coin and similar solutions, anyone can create an asset. Using counterparty as an example, this gets out of control very quickly with no way to determine "good" assets easily (http://www....
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1answer
80 views

Tracking a specific Bitcoin to make it represent something else, which could then be traded without trust [duplicate]

Imagine if one could follow the movements of a specific Bitcoin (or fraction thereof) in the block chain. Then that would mean that I could make that specific Bitcoin represent something else, which ...
6
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1answer
341 views

Are Namecoins obsolete with the upcoming Bitcoin 0.9?

After I have read this article (Smart Property, Colored Coins and Mastercoin) on coindesk I guess that Namecoin is obsolete. I have read the possible use cases for Namecoin and as far as I understand ...
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2answers
307 views

How are colored coins enforced?

How are colored coins enforced? A signature can easily be rejected, and so can a block. How does the blockchain enforce that a particular asset is tied to the colored coin or has been delivered? I ...
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1answer
115 views

Is there an implemented color coin demo for bitcoin?

Is there an implementation of color coins on the bitcoin blockchain yet? a demo would be great.
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2answers
469 views

Can coloured coins be given to miners?

Does the coloured coins spec (or an informal convention amongst its implementers) track coloured coins left to the miner of a transaction's block in the standard manner? Obviously the miner would ...
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1answer
9k views

What are colored coins?

What exactly are colored coins? I've tried understanding, but I don't quite get it yet . . . Do any examples exist?