Block Files for National Trust Bank to Custody Bitcoin
Block, Inc. seeks OCC approval to open Builders Bank & Trust, N.A., a national trust bank for digital asset custody, including bitcoin and stablecoins. Lee Woolley, Block's Digital Asset Strategy Lead, will lead the bank. Block aims to consolidate custody activities under federal supervision. Approval is pending. Block trades on NYSE under XYZ.
How this was made

The 30-second read
Why it matters
The OCC charter request is a primary disclosure that could reshape Block's business model and affect its valuation.
Market read
Block's move to obtain a national trust bank charter is a novel regulatory development with potential price impact for XYZ and broader crypto‑custody sector.
What to watch
Potential compliance costs and the uninsured status of the trust bank could deter some clients.
Background
Block is expanding its crypto ecosystem with Bitkey wallet, Proto mining hardware, and now seeks a federally chartered bank for custody.
Ticker impact
Block (XYZ) filed a request with the OCC to charter Builders Bank & Trust, a national trust bank focused on bitcoin custody.
XYZ may see modest upside as investors price in the long‑term growth of the custody business.
Regulatory approval would lock in a federal framework for Block's crypto services, a rare move for a public U.S. fintech.
Market effects
Could accelerate institutional adoption of crypto custody and spur competition among fintechs.
Adds a crypto‑focused trust bank to the U.S. banking landscape.
May influence global crypto custody standards and attract cross‑border crypto flows.
Counterpoint
Regulatory approval may be delayed, and the bank could face capital constraints, limiting near‑term upside.
Key entities
- companyBlock, Inc.
Fintech firm offering Cash App, Square, and crypto services.
- executiveLee Woolley
Digital Asset Strategy Lead at Block, appointed president of the proposed bank.



