The Bitcoin Operations Technology Group (Optech) works to bring the best open source technologies and techniques to Bitcoin-using businesses in order to lower costs and improve customer experiences.
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This week’s newsletter announces a security upgrade for C-Lightning, describ...
Here's a summary of the 2019-01-24 WCN episode transcript "Leaked Private Keys, Anti-Fee-Sniping, C-Lightning Security ~ Bitcoin Op Tech #29":
1. Main Topics Discussed:
- Private Key Leakage: A paper revealed hundreds of Bitcoin private keys were compromised due to a bug in Bitpay's Bitcore software, which propagated to other wallets like Co-Pay. Users are advised to create new wallets and move funds.
- Anti-Fee-Sniping: A Bitcoin Core change disabled a feature designed to prevent fee sniping due to issues with nodes that have been offline for extended periods.
- C-Lightning Security: A critical remote crash bug in C-Lightning was fixed, potentially leading to fund losses. Users are urged to upgrade to version 0.6.3.
- Other Code Changes: Updates and improvements to Bitcoin Core, L&D, Eclare, and Lipsack P 256K1 were also highlighted.
2. Key Quotes:
- "About 97% of the failure signature found in the paper are compatible with Maxwell's Co-Pay hypothesis."
- "If you ever use affected versions of Bitcore... or Co-Pay... you should create a new wallet file and send all your funds..."
- "All unsafe, all users are advised to upgrade to version 0.6.3 to get a fix for this issue."
3. People Mentioned:
- Joachim Breitner
- Nadia Henninger
- Gregory Maxwell
- (Implied: Bitpay employees)
4. Bitcoin Price:
- Not mentioned in the transcript.
This episode focused on security vulnerabilities and important updates within the Bitcoin ecosystem, emphasizing the need for users to stay informed and update their software.