Agreed, you cannot rely on a replacement transaction would somehow
invalidate a previous version of it, it has been spoken into the gossip
and exists there in mempools somewhere if it does, there is no guarantee
that anyone has ever heard of the replacement transaction as there is no
consensus about either the previous version of the transaction or its
replacement until one of them is mined and the block accepted. -DA.
On 2022-02-20 04:20, darosior via bitcoin-dev wrote:
Necromancing might be a reasonable name for attacks that work by
getting an
out-of-date version of a tx mined.
It's not an "attack"? There is no such thing as an out-of-date
transaction, if
you signed and broadcasted it in the first place. You can't rely on
the fact that
a replacement transaction would somehow invalidate a previous version
of it.
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