Block Seeks Federal Charter for Builders Bank

On Sept. 8, 2026, Block said it applied to establish Builders Bank & Trust, an uninsured national trust bank for custody and related fiduciary services involving bitcoin and stablecoins. If approved, the charter would move certain activities Block already offers into an institution supervised by the Office of the Comptroller of the Currency. No market mechanism has changed yet: the application still requires OCC approval, and Builders Bank cannot operate before receiving it.

What would Builders Bank actually do?

Builders Bank would safeguard assets and administer transactions rather than operate like a consumer bank. Bank custody commonly covers settlement, safekeeping and customer reporting, according to the OCC’s custody-services guidance. For digital assets, that can include controlling cryptographic keys, recording ownership and moving assets under authorized instructions.

The proposed institution would have clear limits:

• It would not accept deposits.
• It would not make loans.
• It would not offer FDIC-insured accounts.
• It would operate under federal trust-bank supervision if approved.

That makes Builders Bank a regulated control point for assets, not a source of balance-sheet funding. Its practical product scope, eligible customers and treatment of stablecoin transfers remain undisclosed.

Who supplies liquidity and who carries the risk?

Customers, trading firms and stablecoin issuers would continue to supply the assets and liquidity; Builders Bank would safeguard and move them. Market makers would still take inventory and price risk on trading venues, while stablecoin issuers would remain responsible for reserves and redemption under their applicable arrangements.

Customers would retain bitcoin price risk and risks tied to a stablecoin or trading counterparty. Builders Bank would assume operational, cybersecurity, compliance and fiduciary risk around custody. “Uninsured” matters because the institution would not provide deposit insurance, although the legal treatment of custodial assets would also depend on segregation, account agreements and the final operating structure.

The bank would likely collect custody and administration fees, the usual revenue model for a national trust bank. Block has not disclosed a fee schedule, projected assets under custody or whether affiliated products would pay the same rates as outside customers.

How would Builders Bank differ from Block’s existing bank?

Builders Bank would be narrower than Square Financial Services, Block’s FDIC-insured Utah industrial bank. Square Financial Services accepts insured savings balances and originates business and consumer loans; Builders Bank would do neither.

The distinction separates two financial mechanisms. Square Financial Services transforms funding into credit and carries borrower risk. Builders Bank would earn fees for safekeeping and fiduciary administration without using customer deposits to finance loans. That limits its ability to create liquidity but also avoids mixing crypto custody with a lending book.

Would the charter matter for crypto builders?

The charter would matter most as regulatory infrastructure, not as fresh market liquidity. A single federally supervised custody entity could give Block a more consistent framework as it integrates bitcoin and stablecoin functions across products, potentially reducing the need to rebuild custody controls for each launch.

That advantage is real but bounded. The application does not establish approval, nationwide product access or cheaper settlement, and a federal charter would not eliminate every state, securities or payments obligation. The defensible verdict is that Builders Bank could make Block’s crypto stack easier to scale, but its significance cannot be measured until the OCC sets conditions and Block discloses customers, fees and operating scope.