Bitcoin Core developers have confirmed that the next software release will lift the long-standing 80-byte restriction on OP_RETURN transaction outputs. The decision was met with concern in the crypto space as users expressed dissatisfaction with the move. OP_ RETURN is a type of Bitcoin transaction output that small amounts of data to be stored on the blockchain. Unlike regular outputs, they are unspendable and therefore don’t contribute to unspent transaction outputs (UTXOs). Developers noted that many private mining accelerators already ignore the limit.Bitcoin Core to Remove OP_RETURN Limit in Next Upgrade

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