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/

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