Bitcoin Wallets & Self-Custody

Hardware wallets, software wallets, multisig setups, and self-custody best practices.

34 articles

Three Keys From the Same Vendor Are Not Multisig

Multisig only protects you if your keys can’t fail together. Same-vendor keys share one RNG, one firmware, one supply…

Aug 1, 2026 13 min read

Bitcoin Wallets & Self-Custody

A Coldcard firmware flaw disclosed in July 2026 made some seeds guessable, and attackers have emptied wallets built on…

Jul 31, 2026 27 min read

Bitcoin Wallets & Self-Custody

A decision page, not a buying guide. Given how much you hold, how you use it, and your risk, do you need a hardware…

Jun 22, 2026 38 min read

Bitcoin Wallets & Self-Custody

Hot wallet vs cold wallet, explained like checking vs savings — plus the question nobody answers cleanly: how much…

Jun 22, 2026 40 min read

Bitcoin Wallets & Self-Custody

A calm, step-by-step guide to moving bitcoin from an exchange into a wallet you control. Pick a wallet, do a test send…

Jun 22, 2026 40 min read

Bitcoin Wallets & Self-Custody

Your wallet shows a new Bitcoin receive address every time and you’re worried your coins are lost. They’re not. Here’s…

Jun 22, 2026 34 min read

Bitcoin Wallets & Self-Custody

Your Bitcoin transaction is stuck unconfirmed. Step-by-step fee bumping with RBF and CPFP in Sparrow and Electrum, plus…

Jun 22, 2026 16 min read

Bitcoin Wallets & Self-Custody

12 vs 24 word seed phrase compared. We explain the real security difference, the 128-bit ceiling, and which length you…

Feb 12, 2026 16 min read

Bitcoin Wallets & Self-Custody

How Unchained collaborative custody works: a 2-of-3 vault where you hold two keys, its IRAs, loans and inheritance help…

Feb 12, 2026 15 min read

Bitcoin Wallets & Self-Custody

Casa multisig review 2026: how its managed vaults work, what they cost, the phone key’s cloud backup, inheritance, and…

Feb 12, 2026 16 min read