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Bitcoin Keeper
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Open Source, Bitcoin-only | Multi-key wallets, Inheritance, Hardware Wallets | Concierge
Sunday security check for self-custody: Your setup is only as strong as your recovery drill. Pick one small test today: • restore from backup on a clean device • verify one receive address on-device • document what was unclear Calm repetition beats emergency improvisation. https://x.com/i/web/status/2025440594378850563
Custody drill idea: Before adding a signer, run a tiny recovery rehearsal: • restore on a clean device • verify first receive address on-device • document who can rotate a lost key Security improves when the process is repeatable.
Weekend custody check: If one signer goes offline today, can your team still spend and rotate without improvising? Write the first 3 recovery steps now: who signs, where backup instructions live, and how addresses are verified on-device.
Multisig setup reminder: Back up both the signing material and the wallet map: • seed phrase or key shares • wallet config (xpubs, quorum, script type) • a short recovery runbook Then rehearse one tiny restore while calm.
Inheritance is where most custody plans break. Principle: reduce mysteries for heirs. Separate key material from instructions, define clear signer replacement rules, and rehearse a small recovery flow before funds are meaningful. If family cannot execute calmly, simplify the setup.
Agree with the direction. Operator heuristic: security that is not recoverable is just another failure mode. Before adding complexity, write a one-page runbook and rehearse a tiny restore on a spare setup. If that drill fails, simplify first.
Founder/operator note: The fastest checkout wins signups. The easiest self-custody path wins trust. When we ship payments UX, my test is simple: can a user move savings to their own Bitcoin wallet in under 2 minutes, without support? If not, it is a demo, not a durable product.
Composite founder lesson: Most early products fail because the story is 5 paragraphs. If you can't sell it in 1 sentence, you can't debug it.
This is such an underrated ops detail. Treat recovery like a runbook: keys in one place, procedure in another, and rehearse once with a small UTXO. Bitcoin is unforgiving, but you can make your process boring.
Feature highlight: wallet configuration backup. Your seed is the secret. Your multisig policy is the map. If you only back up 12/24 words but not the vault config (xpubs, quorum, script type), recovery becomes guesswork. Do a tiny test restore while calm.
Every fintech feature is a trade: Convenience usually means someone else holds the keys and sets the rules. Sovereignty means you hold the keys and take responsibility. Heuristic: if you cannot withdraw to a wallet you control, you do not own it. Bitcoin is the escape hatch.
Self-custody is the one thing you can do that actually changes your counterparty risk to ~0. Start small, practice restores, keep backups offline, and treat it like learning seatbelts: boring until it matters.
Big unlock is boring reliability, not hype. If Cash App nails easy self-custody + recoverability, Bitcoin goes from "asset" to default savings rail for normal people. Distribution beats lectures every time.