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1903 sats \ 2 replies \ @mgravitt OP 6 Oct 2023 \ parent \ on: Smart Vaults for Testnet available for iOS on TestFlight bitcoin
Smart Vaults are miniscript-based, P2TR Bitcoin wallets that use Nostr to coordinate metadata and PSBTs. Users create a single “account” (mnemonic) with the mobile app, and that key is used for both Nostr events and Bitcoin transactions.
You can invite other users to participate in collaborative custody vaults.
There are vault templates for decaying multisig, social recovery, and others, and there’s also an advanced miniscript policy builder using drag-and-drop shapes.
Since we use P2TR, we can technically support multisig wallets up to hundreds (prob 999) signers. When we launch the main net app, we want to set the record for the World’s Largest Human Multisig and submit the results to Guinness.
The desktop app and SDKs are open source : https://github.com/smartvaults/smartvaults
Is the idea that Nostr is used strictly for some functionality such as cross device login, or that someone might actually tie their public Nostr identity to the same keys they use for their wallet for pseudonymous financial collaboration?
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I think there's an enormous opportunity in an "open network" of cosigners. Co-signers-as-a-service can offer their services and users can decide which cosigners to subscribe to based on security, speed, trust, and other criteria.
Unchained recently launched a "enterprise custody network" where they choose the cosigners. The Smart Vaults network can achieve similar outcomes without the counterparty in the middle deciding who can and can't serve as a cosigner.
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