Segwit allows old -> old, old -> new, new -> old and of course new -> new txs.
On 17 Mar 2017 1:47 a.m., "Erik Aronesty via bitcoin-dev" < bitcoin-dev@lists.linuxfoundation.org> wrote: Yeah, it does make things harder, and it's easy enough to soft fork to handle arbitrary opt-in protocol improvements, new much larger block sizes, whatever you want. Even OK to migrate to a new system by not allowing old->old or new->old transactions. _______________________________________________ bitcoin-dev mailing list bitcoin-dev@lists.linuxfoundation.org https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
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