Month: November 2017

I was trying to improve the functional tests for bumpfee, a Bitcoin Core wallet feature that lets you increase the fee of a transaction that’s unconfirmed and stuck. Unfortunately I introduced a bug in the test, which I’m still in the process of tracking down. Every disadvantage has its advantage, so I took the opportunity… Continue reading Debugging Bitcoin Core Functional Tests

A Short History of Replay Protection This article is based on the slides I used for a presentation at the Hong Kong Bitcoin Developer meetup on November 1st, plus some feedback I received on the chainspl.it Slack. This was before SegWit2x was called off, but in the interest of (my) time, I haven’t adjusted this… Continue reading A Short History of Replay Protection