Bitcoin Core PR Review Club: #20827

Wednesday, December 29, 2021

I’ve prepared and moderated a Bitcoin Core PR review club meeting on luke-jr’s PR #20827: During IBD, prune as much as possible until we get close to where we will eventually keep blocks. This is an potential IBD speed-up for pruned nodes.

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May 8, 2022

Monitoring Bitcoin mining pool transaction selection

Can we detect transaction censorship by mining pools on the Bitcoin network? I spoke at the MIT Bitcoin Expo 2022 about mining pool transaction selection, my miningpool-observer project, and observed extra, missing, and conflicting transactions between my block templates and the blocks mined by pools. I conclude that we can detect large scale transcation censorship by but haven’t seen any concrete evidence for censorship attempts yet. miningpool.observer website miningpool-observer on GitHub slides (RevealJS) slides (PDF)

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December 15, 2021

Bitcoin Core PR Review Club: #23724

I’ve prepared and moderated a Bitcoin Core PR review club meeting on my PR #23724: add systemtap’s sys/sdt.h as depends for GUIX builds with USDT tracepoints. My goal was to get feedback and eventually reach consensus on having the tracepoints for Userspace, Statically Defined Tracing in GUIX, and release builds. Bitcoin Core PR Review Club on #23724 Blog post: Userspace, Statically Defined Tracing support for Bitcoin Core