OP_RETURN

1. general

Opcode which marks output as invalid and writes data to the chain. Useful for building onchain protocols to extend bitcoin.

Since arbitrary data can be put into OP_RETURN, it is very useful for building on-chain systems to extend the bitcoin functionality. Many token schemes and social media platforms are appearing which use OP_RETURN to power exciting use-cases.

* All terms and definitions may update as the Cryptionary improves.

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