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AFIAK the only way is to do this is to encode data so that it looks like bitcoin receive addresses. This will burn BTC in the process.

This transaction is embedding a message inside of a non-standard output script, which shouldn't be possible.



There is all sort of graffiti and other garbage embedded in the blockchain.

http://garzikrants.blogspot.com/2013/04/on-bitcoin-data-spam...


> shouldn't be possible

It is restricted by the standard Bitcoin client implementation. Neither the transaction scripting language[0] nor the transaction[1] restricts it, so you would need to do it yourself or write a custom client to embed a message.

[0] https://en.bitcoin.it/wiki/Script

[1] https://en.bitcoin.it/wiki/Transaction#Output


You should a little more time reading about it. Among other features, transactions are described by what is essentially a mini scripting language




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