Author’s note: In my view BIP110 is both useless and harmful, and I do expect it to fail (see scenario 1). Despite this I tried to write this article as factually as I could, entertaining different possible scenarios, as I do hope it may provide some clarity on this soft fork attempt.

The OP_RETURN debate has escalated to the point where Bitcoin Knots implemented BIP110: a consensus protocol change that temporarily limits the size of OP_RETURNs and intends to reduce other types of data on Bitcoin’s blockchain as well.

However BIP110 does not have consensus: not everyone agrees there’s a problem that requires solving in the first place, nor that BIP110 solves it in any…

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