[bitcoin-dev] nSequence multiple uses
achow101 at gmail.com
Fri Jan 22 16:36:58 UTC 2016
With 0.12 and opt-in RBF, nSequence will have multiple uses. It can be used
for locktime and now signaling for opting in to RBF. However, there is
nothing that I could find that distinguishes the uses for nSequence.
Spending a time locked output requires setting nSequence to less than
MAX_INT but opting into RBF also requires setting nSequence to less than
MAX_INT. By spending a time locked output, you would also be opting into
RBF, which may not be desired behavior. Since using nSequence to signal a
certain behavior will probably be used in the future, is there any plan to
change nSequence so that the features the transaction is using can be
distinguished? Perhaps something like version bits?
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