Brink
The Bitcoin Development Podcast
Join Brink as we talk with our fellows, grantees, and friends in the Bitcoin space about Bitcoin and Lightning technology.
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Épisodes
Discussing Pre-25.0 Bitcoin Core Vulnerability Disclosures 10.10.2024 1:05:22
Brink engineers Gloria Zhao and Niklas Gögge are joined by 0xB10C talk through the recently disclosed Bitcoin Core pre-25.0 vulnerabilities. This continues our previous discussions in Episode 4 on pre -0.21.0 and Episode 5 on 0.21.0 Bitcoin Core Vulnerabilities. (0:00) - Introduction (0:48) - The DoS vulnerability in headers sync (3:12) - Discussion of checkpoints in the code (10:11) -...
Discussing Pre-22.0 Bitcoin Core Vulnerability Disclosures 31.07.2024 24:16
Brink engineers Gloria Zhao and Niklas Gögge talk through the recently disclosed Bitcoin Core pre-22.0 vulnerabilities. This continues our previous discussion in Episode 4 on pre -0.21.0 Bitcoin Core Vulnerabilities. (0:00) - Introduction (1:07) - Background on Bitcoin peer-to-peer address relay (4:30) - Bitcoin Core’s AddrMan (address manager) data structure (5:37) - Disclosure of remote...
Discussing Pre-0.21.0 Bitcoin Core Vulnerability Disclosures 11.07.2024 51:16
Brink engineers Gloria Zhao and Niklas Gögge talk through the recently disclosed Bitcoin Core pre-0.21.0 vulnerabilities. (0:00) - Introductions and motivation for disclosures (3:17) - Absolute value of a signed integer leads to rejection of all blocks (13:50) - Too many misbehaving peers leads to DoS (21:17) - Nested loop without deduplication leads to stalling (27:34) - Vulnerability in...
Sebastian Falbesoner on Code Review and BIP324 06.09.2023 43:48
Sebastian Falbesoner (theStack) and Mike Schmidt talk about Bitcoin Core code review, BIP324, and Sebastian’s plans for the next year . (0:00) - Sebastian’s journey to Bitcoin development (4:00) - Thoughts on contributing to Bitcoin Core in a remote, part time capacity (7:26) - What is the Bitcoin Core test framework? (12:15) - From testing to PR authorship (and Bitcoin Core #25957) (17:05) -...
Mempool Ancestors and Descendants 24.11.2021 19:11
John and Gloria continue their discussion of Bitcoin's mempool by explaining parent, child, ancestor and descendant transactions. (0:00) - Parent and child transactions (2:23) - Relevance of ancestors and descendants to the mempool (4:17) - Reasons transactions leave the mempool (6:58) - Block construction considerations for miners (11:46) - Full node performance considerations (16:15) - Child...
Mempool Policy 10.11.2021 26:21
Brink co-founder, John Newbery, and Brink fellow, Gloria Zhao, discuss Bitcoin Core's mempool policy. 0:25 - What is a mempool and why have one? 6:58 - Denial of service protection 8:38 - What is mempool policy? 10:15 - 3 types of mempool policy and examples of each 12:30 - Mempool policy: transaction size too small or too large 17:26 - Mempool policy: BIP125 Replace by Fee (RBF) 19:57 - Transacti...
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