AirGap Vault now supports SegWit and internally uses PSBTs to transfer transactions. But we still use our own serializer. If we change the QR codes to URs, AirGap Vault should be compatible with other watch-only wallets.
Coinlib
[ ] Show warnings if request contains suspicious data (eg. strange derivation paths, change address does not match, etc.) https://blog.coinkite.com/troublesome-change/ (We could also store all previous PSBTs to help with that)
Apps
[x] Show option to use bc-ur QR
[ ] Show info about which inputs we can sign and which have already been signed
AirGap Vault now supports SegWit and internally uses PSBTs to transfer transactions. But we still use our own serializer. If we change the QR codes to URs, AirGap Vault should be compatible with other watch-only wallets.
Coinlib
Apps
Security
Watch-only wallets
Development
Inspect PSBTs: https://bitcoincore.tech/apps/bitcoinjs-ui/index.html