Part 7/14:
- Onchain Bitcoin: Standard Bitcoin transactions involve specifying an amount, fee rate, and address. Advanced users can manually select UTXOs (unspent transaction outputs) for better privacy and fee management.
Utilizing Partially Signed Bitcoin Transactions (PSBT)
A noteworthy feature is the app’s support for PSBT workflows, enabling hardware wallets like Cold Card to sign transactions securely. To do this, the user generates a PSBT QR code in the app, which the hardware device scans to approve the transaction offline. The signed transaction is then broadcasted back into the app, completing the process securely.