We held an impromptu Twitter spaces on Proof of Keys day to discuss Bitcoin self custody. I was joined by guests including Justine Harper, Jameson Lopp, Dee, Craig Raw, Lazy Ninja and Rijndael among others, to discuss all things Bitcoin self custody - from noob to self custody guru!
Discussion Topics:
- 00:07:46 Most common ways to lose coins
- 00:19:01 Passphrases
- 00:27:30 Leaving coins on exchanges
- 00:34:51 Metal backups
- 00:40:21 Wallet recovery
- 00:44:01 Singe sig roundup
- 00:44:45 Seed XOR
- 00:48:14 Multisig overview
- 00:51:34 Multisig solutions
- 00:57:28 Unchained capital collaborative multisig
- 01:00:56 Casa collaborative multisig
- 01:04:55 Nunchuk multisig
- 01:09:27 Summary of self custody solutions
- 01:17:12 Security
- 01:18:34 Can SHA256 be broken?
- 01:22:53 Entropy and secure key generation
- 01:29:30 Air gapping and secure software/hardware
- 01:36:59 Binaries
- 01:38:24 Hardware random number generators
- 01:46:00 Quantum computer risk
- 01:46:48 Multisig grifting attacks
- 01:49:13 All signing devices are not made equal
- 01:51:34 Rolling dice for entropy
- 01:52:18 Correctly adding entropy to key generation
- 01:54:15 Important features of hardware wallets
- 01:56:06 "Strength in numbers" in Bitcoin security
- 01:59:06 Different approaches to signing device security
- 02:00:34 True versus concatenated random number generators
- 02:04:00 Summary of complexities and theoretical risks in wallet generation
- 02:05:32 USB VS SD
- 02:11:00 Non secure chip attack vectors
- 02:12:40 Firmware attack vectors
- 02:15:38 Multichip approach to hardware security
- 02:16:18 Relevancy of weighting of dice for creating entropy
Links & Contacts:
- Website: https://bitcoin.review/Podcast
- Twitter: https://twitter.com/bitcoinreviewhq
- NVK Twitter: https://twitter.com/nvk
- Telegram: https://t.me/BitcoinReviewPod
- Email: producer@coinkite.com
- Nostr & LN:⚡nvk@nvk.org (not an email!)
Full show notes: https://bitcoin.review/podcast/episode-19/
