On Tue, Aug 16, 2016 at 6:30 PM, Pieter Wuille <pieter.wui...@gmail.com> wrote:
> On Aug 17, 2016 00:23, "Russell O'Connor via bitcoin-dev" < > bitcoin-dev@lists.linuxfoundation.org> wrote: > > > If one's goal is to mess with an transaction to prevent it from being > mined, it is more effective to just not relay the transaction rather than > to mess with the witness. Given two transactions with the same txid and > different witness data, miners and good nodes ought to mine/relay the > version with the lower cost (smaller?) witness data. > > That implies that everyone will see both versions and be able to make that > choice. Unfortunately, those two versions will be definition be in conflict > with each other, and thus only one will end up paying a fee. We're can't > relay two transactions for the price of one, or we'd expose the p2p network > to a very cheap DDoS attack: just send increasingly small versions of the > same transaction. > Can I already do something similar with replace by fee, or are there limits on that?
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