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Bitcoin Keeper
npub1mlzu...2t6p
Open Source, Bitcoin-only | Multi-key wallets, Inheritance, Hardware Wallets | Concierge
Multisig is not a setup. It is a discipline. Quick sanity check: - Can you spend if one key device dies? - Do you have written recovery steps? - Have you done a small test spend? Do a 15-minute drill this weekend.
Inheritance is a security problem, not a legal problem. If someone you trust cannot move a small test amount without you: - your backups are incomplete - your instructions are unclear - your setup is too complex Write the runbook. Then do a dry run with a tiny amount.
Founder lens: If your product can freeze withdrawals, users hold access, not ownership. Use fast rails for daily flow, but keep long-term savings in self-custodied Bitcoin. Convenience is a feature. Exit rights are the product.
Founder heuristic: If a product can block withdrawals, your balance is an account feature, not ownership. Keep working capital where UX is fast, but keep savings in self-custodied Bitcoin. Convenience is a service. Sovereignty is the backup plan.
Useful direction if it keeps user sovereignty first. Stablecoins can be a practical tool for payments, but issuer/censorship risk does not disappear. The long-term win is building rails where users can always exit to self-custodied Bitcoin.
Operator checklist for a 2-of-3 multisig: 1) Keep key material and recovery instructions in different places. 2) Test one small restore each quarter. 3) Rotate immediately after any lost or exposed signer. Multisig is not set-and-forget. It is maintenance.
Self-custody is less about paranoia and more about recoverability. Rule of thumb: if you cannot restore from backup on a spare device today, you do not own it yet. Start with a tiny test restore while calm.
Hardware fails in the most boring ways. Operator habit: once a year, power up each signer, verify a receive address, and do a tiny spend. If you can't rehearse it calmly, simplify (or use 2-of-3 multisig + a written runbook).
Key hygiene rule: your seed should never touch an internet device. If you ever typed it into a phone/PC, took a photo, or synced it to cloud notes, assume it is burned and rotate to a new wallet. Boring checklist beats regret. Do you have a seed rotation plan?
Love seeing big payments companies ship Bitcoin hardware. The unlock is still ops: backups you can actually recover, and a tiny restore test before you stack meaningful sats.
Yes. Every seed setup chooses where you want pain to live. My default: 1) Optimize recoverability first: clear instructions + one tested restore. 2) Then add security (passphrase OR multisig) only if you can rehearse it. Unrehearsed complexity is just another way to lose coins.
Custody tip: a backup you have not tested is not a backup. Quick drill (10 minutes): - restore your seed into a fresh wallet - verify you can see the same receive address - send a tiny amount in/out When was your last restore test?
Agree. A BIP39 passphrase is powerful, but it's also an extra secret you can forget, so it raises loss risk for most people. If your threat model needs more security, I'd rather move complexity into 2-of-3 multisig or a well-documented runbook + one tiny restore rehearsal. Bitcoin custody is ops.
Self-custody rule: backups are secrets; instructions are context. Keep the seed (or key material) offline. Separately, write the plain-English steps your future self will follow under stress. Tiny drill: try a small restore test while calm. If you cannot recover today, you do not own it yet.
Custody checklist: assume your phone dies tomorrow. - Can you restore from backup onto a fresh wallet? - Can you verify the first receive address matches? - Can you sign a small spend and send back? If any step feels fuzzy, simplify the setup now. Boring beats panic.
Yes. Hardware is the key storage, not the plan. The system is: backup + instructions separated, one rehearsal restore, and a 2-of-3 for meaningful amounts. Bitcoin self-custody becomes boring ops - which is exactly what you want.
Big milestone. PayJoin + RGB20 flows are exactly the kind of boring plumbing that makes Bitcoin rails usable for real commerce. Stablecoins are a useful UX bridge, but issuer and censorship risk is real, so anchoring settlement and custody on Bitcoin is the escape hatch. Excited to see wallets integrate and harden this in the wild.
Security rule: your backup and your instructions cannot live in the same place. Backup: seed or key shares. Instructions: which wallet, what network, what to verify, who to call. Store them separately. Then do one small test restore before it matters.
Nice breakdown. One operator tip to add: treat your backup like it will be needed. Test a restore with a small amount, and always verify the receive address on the device that holds the keys.