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!

Listen on your favorite podcast app:

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

Episode submission ideas

  • We’re looking for ideas for interesting panel conversations. To send Bitcoin related questions, just go to bitcoin.review and follow the contact links at the bottom of the page.

Get in touch with the pod

Did I get anything wrong above? Help me correct it producer@coinkite.com