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 Has Outlived Its Purpose
The information was relayed in a May 5 GitHub announcement by Bitcoin developer Gregory Sanders, which read:
“Bitcoin Core’s next release will, by default, relay and mine transactions whose OP_RETURN outputs exceed 80 bytes and allow any number of these outputs.”
Sanders explained that the 80-byte limit was originally a “gentle signal that block space should be used sparingly for non-payment proof of publication data,” but that it has now outlived its usefulness.
OP_RETURN is a type of Bitcoin transaction output that allows 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 (UTX
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