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[unchi]

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[1715681181]

1715681181

[amaclin]

http://www.originstamp.org/

[hexafraction]

There are a few issues in your logic:

1. OP_RETURN is limited, but a private key for a brainwallet is limited as well. Both involve hashing the data anyway.
2. OP_RETURN doesn't cause outputs to enter the UTXO, since they're not spendable by definition.
3. OP_RETURN could be made simpler to use by adding functionality to a wallet program, or by providing the user with a raw txn to sign using their own client.

[Za1n]

http://www.originstamp.org/

Thanks for posting that link. I have wondered if something like this was possible before, I didn't know someone had already implemented it.