On Tue, Oct 11, 2022 at 08:50:07AM -0400, Greg Sanders via bitcoin-dev wrote: > Hello fellow Bitcoiners, > > After looking at some fairly exotic possible transaction types, I ran into > the current policy limit requiring transactions to be 85 non-witness > serialized bytes. This was introduced as a covert fix to policy fix > for CVE-2017-12842. Later the real motivation was revealed, but the > "reasonable" constant chosen was not. > > I'd like to propose relaxing this to effectively the value BlueMatt > proposed in the Great Consensus Cleanup: 65 non-witness bytes. This would > allow a single input, single output transaction with 4 bytes of OP_RETURN > padding, rather than padding out 21 bytes to get to p2wpkh size. > > The alternative would be to also allow anything below 64 non-witness bytes, > but this seems fraught with footguns for a few bytes gain.
What footguns exactly? Spending a single input to OP_RETURN with no payload is a valid use to get rid of dust in the UTXO set. -- https://petertodd.org 'peter'[:-1]@petertodd.org
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