The debate over Bitcoin’s OP_RETURN heats up, as developers of Bitcoin Core – the most popular node software – said they plan to scrap OP_RETURN entirely in the next release.
The OP_RETURN limit is an 80-byte cap on the amount of arbitrary data that can be embedded in a Bitcoin transaction using a special, unspendable output field.
“Large-data inscriptions are happening regardless and can be done in more or less abusive ways,” said Core contributor and Engineer at Blockstream Greg Sanders, known as ‘instagibbs,’ in a post on Github announcing the removal. “The cap merely channels them into more opaque forms that cause damage to the network.”
The debate centered on whether lifting the 80-byte OP_RETURN limit promotes transparency and simplifies data use on Bitcoin, or whether it opens the door to abuse, spam, and a shift away from Bitcoin’s financial focus.
On Github, Sanders added that enforcing the cap has created perverse incentives pushing users to embed data in fa
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