Clarification on one part below: On Wed, Apr 11, 2018 at 2:21 PM, Karl-Johan Alm <karljohan-...@garage.co.jp> wrote: > On Wed, Apr 11, 2018 at 5:29 AM, Maksim Solovjov via bitcoin-dev > <firstname.lastname@example.org> wrote: >> 1. What does it mean for a transaction ( with 0 confirmations ) to be >> trusted or not? > > It is trusted if (1) it is final (i.e. it can't be replaced), (2) it > is not in a block that was reorged out (negative confirmation count), > (3) the 'spend zero conf change' option is set, (4) it is in the > mempool, and (5) all inputs are from us.
"can't be replaced" here means it cannot be replaced through conventional means. It is always possible to replace a transaction that has not yet been confirmed, e.g. by asking a miner to mine a conflicting transaction directly. _______________________________________________ bitcoin-dev mailing list email@example.com https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev