Use OP_RETURN in Trezor Suite
OP_RETURN is a script opcode which can be used to write arbitrary data on blockchain and also to mark a transaction output as invalid. Since any outputs with OP_RETURN are provably unspendable, OP_RETURN outputs can be used to burn bitcoins.
OP_RETURN creates unspendable transactions. This is an anti-congestion feature that prevents any Bitcoin sent with OP_RETURN message from being used ever again. Only send the minimum amount of bitcoin when using OP_RETURN.
Creating a message using OP_RETURN
- Select 'Add OP Return' from the drop-down menu in the Send transaction tab:
- Write your desired text in the data (text) box:
- Click send. Your text is now permanently encoded in the blockchain as a hexadecimal string.
The longer the text is, the higher the transaction fee will be.
- You can view your text by finding the transaction in any block explorer. In some cases only the hexadecimal code will be shown, but many block explorers convert this to text automatically.
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