VBA: Verifiable Bitcoin Accounts for onchain lending

Threshold Network announced Verifiable Bitcoin Accounts (VBA), a PSBT and Bitcoin Script framework for institutional Bitcoin deployment built on “your custody, your terms.” VBA keeps BTC inside the holder’s existing custody setup with no title transfer outside that custodian. Funds are segregated and identifiable, while the UTXO set remains the system of record. VBA predefines spending paths at account setup using Bitcoin-enforced logic such as signer combinations, timelocks, and recovery routes. During the term, no single party (custodian, Threshold, or depositor) can unilaterally move funds; spending must follow the preauthorized multi-party conditions. If signers are unavailable, the depositor can recover BTC after a defined timelock without counterparty cooperation. Operationally, Verifiable Bitcoin Accounts route capital only into whitelisted lending and yield markets—including Aave, Morpho, Curve, and Yield Basis—aiming to reduce operational and counterparty risk for collateral settlement. Threshold Network says its signer infrastructure has run for six years, with over $5B cumulative volume and zero losses. For traders, VBA is an infrastructure upgrade that may improve the reliability of Bitcoin-backed lending workflows, but it is not a direct BTC demand shock in the short term.