Announcing Recoverbull, a privacy-first encrypted hot wallet backup and recovery protocol. Implemented in BULL wallet, it serves as an alternative to custodial wallets for beginners. A key milestone in our journey to make self-custody the safest default Bitcoin user experience!
https://www.bullbitcoin.com/blog/recoverbull-a-bitcoin-wallet-backup-system
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Replies (11)
Very nice. Tradeoffs clearly described.
Sounds like a good protocol.
I wonder if the same protocol could be used to replace the jade pin server interaction....
Can be a good scheme for nostr too
nostr:nevent1qqsgktws9w6l8gtj8qpw4n8dgmuwwtt65fmeu5xw8vkw0qfa8cacv2gpz3mhxue69uhhyetvv9ujuerpd46hxtnfdupzqk5wtq03dgqjufxj5eqp22k4vgzcevr9u80j36g8cxl6stq4pj96qvzqqqqqqyr02dml
This is awesome. It's not an alternative to collaborative custody, but a similar BIP85 child seed could be used to encrypt a multisig descriptor(or MiniScript bdsm file) with the emergency key.
Ideally, these service providers would not have any of your keys nor know how much Bitcoin you own.


Bull Keeps winnng
love what you're doing for self-custody and privacy. power and freedom to the people ✊
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I have been testing it and truly is becoming the number 1 alternative for my daily driver
I don't understand the complexity. For the taxi driver example: If its a hot wallet with small amounts why not save the seed phrase direclty in a password manager? Once the amounts increase there is now way but to study the different forms of self custody and the tradeoffs.
nostr:nprofile1qqsf03c2gsmx5ef4c9zmxvlew04gdh7u94afnknp33qvv3c94kvwxgsppemhxue69uhkummn9ekx7mp0qyvhwumn8ghj76rzwghxxmmjv93kcefwwdhkx6tpdshsz9thwden5te0wfjkccte9ejxzmt4wvhxjme0sadgdk maybe worth to consider as alternative to the social recovery of rotation keys.