Hi all, The following are some notes I took during Breaking Bitcoin 2019, selected for relevance. Any mistakes are most likely my own. Carl Dong gave an excellent talk on guix as a replacement for the gitian build system: http://diyhpl.us/wiki/transcripts/breaking-bitcoin/2019/bitcoin-build-system/ but really just watch his presentation: https://www.youtube.com/watch?v=I2iShmUTEl8 Mempool analysis, client-side filtering, client updates http://diyhpl.us/wiki/transcripts/breaking-bitcoin/2019/mempool-analysis-simulation/ http://diyhpl.us/wiki/transcripts/breaking-bitcoin/2019/neutrino/ http://diyhpl.us/wiki/transcripts/breaking-bitcoin/2019/p2p-encryption/ Some privacy and coinjoin talks: http://diyhpl.us/wiki/transcripts/breaking-bitcoin/2019/breaking-bitcoin-privacy/ http://diyhpl.us/wiki/transcripts/breaking-bitcoin/2019/breaking-wasabi/ Hardware wallets: http://diyhpl.us/wiki/transcripts/breaking-bitcoin/2019/extracting-seeds-from-hardware-wallets/ http://diyhpl.us/wiki/transcripts/breaking-bitcoin/2019/future-of-hardware-wallets/ Bitcoin upgrades: http://diyhpl.us/wiki/transcripts/breaking-bitcoin/2019/secure-protocols-bip-taproot/ p2pool analysis: http://diyhpl.us/wiki/transcripts/breaking-bitcoin/2019/security-attacks-decentralized-mining-pools/ Lightning network: http://diyhpl.us/wiki/transcripts/breaking-bitcoin/2019/lightning-network-routing-security/ http://diyhpl.us/wiki/transcripts/breaking-bitcoin/2019/lightning-network-topological-analysis/ http://diyhpl.us/wiki/transcripts/breaking-bitcoin/2019/lightning-network-security-panel/ Of possible interest (general, not really development focused): http://diyhpl.us/wiki/transcripts/breaking-bitcoin/2019/defense-of-bitcoin/ - Bryan http://heybryan.org/