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Encrypts the descriptor using a symmetric key derived from two zpubs (e.g. user + block), so that only two of the three participants (user, block, recovery) can decrypt it. Implemented in Java using AES-GCM. Useful for encrypting descriptors server-side without exposing wallet structure.
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I noticed Liana recently proposed a draft BIP (Bitcoin BIPs PR #1951) on encrypting descriptors via symmetric keys derived from zpubs, similar to my PR (#6). It would be amazing if Bitkey could align with this approach to ensure wallet balances remain truly private. |
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Encrypts the descriptor using a symmetric key derived from any two zpubs (e.g. user + block), so that only two of the three participants (user, block, recovery) can decrypt it.
Implemented in Java using AES-GCM.
This allows the server to store or transmit the descriptor without being able to view addresses or wallet balances, significantly improving user privacy
Useful for server-side encryption of descriptors without exposing wallet structure or transaction history.