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NIP-60: add Wallet Backup Events #1834

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NIP-60: add Wallet Backup Events #1834

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16 changes: 16 additions & 0 deletions 60.md
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,22 @@ Tags:
* `mint` - Mint(s) this wallet uses -- there MUST be one or more mint tags.
* `privkey` - Private key used to unlock P2PK ecash. MUST be stored encrypted in the `.content` field. **This is a different private key exclusively used for the wallet, not associated in any way to the user's Nostr private key** -- This is only used for receiving [NIP-61](61.md) nutzaps.

## Wallet Backup Events

A Wallet Backup Event SHOULD be created at the same time as a new Wallet Event so that future inadvertent overwrites of the `privkey` do not lead to loss of funds.

```jsonc
{
"kind": 375,
"content": nip44_encrypt([
[ "privkey", "hexkey" ],
[ "mint", "https://mint1" ],
[ "mint", "https://mint2" ]
]),
"tags": []
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@robwoodgate robwoodgate Apr 27, 2025 •
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This would be even more useful if the backup event had a single character k (key) tag with the corresponding pubkey to the privkey. This would allow REQ filtering with #k to find a wallet backup for a Proof locked to a specific pubkey without having to load, decrypt and check every backup.

Especially important if the user is being prompted for permission each time (eg: via NIP-07 signer)

"tags": [
    [ "k", "<hex-pubkey>" ]
]
  • k: The Nostr hex-format public key corresponding to the privkey field encrypted in the wallet backup.

}
```

## Token Event
Token events are used to record unspent proofs.

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