Jack Dorsey’s Block seeks US trust bank charter for Bitcoin, stablecoin

Block Inc. is taking its most direct shot yet at bridging institutional finance and decentralized rails by applying for a national trust bank charter in the United States. Named Builders Bank, the proposed entity aims to operate under the direct oversight of the Office of the Comptroller of the Currency (OCC) as a dedicated digital asset custodian. Crucially, Block is pursuing a narrow, risk-averse operational model: the charter will explicitly prohibit Builders Bank from accepting consumer retail deposits or issuing commercial loans. Instead, it creates a narrow-purpose financial institution engineered specifically to hold and manage Bitcoin and stablecoin reserves under federal supervision. For CEO Jack Dorsey, who has increasingly aligned Block’s enterprise strategy with the Bitcoin ecosystem, the application addresses a persistent structural bottleneck in institutional digital asset adoption. While Block already processes consumer fiat-to-crypto flows via Cash App and manufactures hardware through its Bitkey self-custody wallet, enterprise players and institutional investors continue to navigate a fragmented custody landscape. Existing options frequently force capital allocators to choose between state-chartered entities with limited reach or traditional Wall Street mega-banks that remain hesitant to deeply integrate public blockchains. By securing a federal trust charter, Block can offer institutional-grade, bankruptcy-remote custody that satisfies rigorous fiduciary mandates without exposing its balance sheet to lending or credit risk. This strategy positions Builders Bank alongside Anchorage Digital, currently the primary federally chartered digital asset bank operating in the United States. However, Block’s entry introduces a unique catalyst for open-source developers and fintech builders. Rather than operating merely as a passive vault, Builders Bank is designed to serve as functional plumbing. Developers building payment applications, layer-2 protocols, or stablecoin settlement systems can tap into a federally compliant custodial backend, eliminating the need to architect bespoke compliance frameworks or rely on precarious offshore intermediaries. This API-driven model could significantly lower the barrier to entry for institutions seeking to launch regulated Web3 products. For market participants, the move signals a strategic shift toward specialized, ring-fenced financial architecture. In an environment where regulatory scrutiny over digital asset custody remains severe, a non-lending trust bank model inherently mitigates the contagion risks that plagued fractional-reserve crypto entities in recent market cycles. If approved by federal regulators, Builders Bank will solidify Block’s transition from a point-of-sale payment provider into a foundational pillar of US crypto infrastructure, offering a clear regulatory blueprint for how tech firms can safely integrate digital assets into mainstream finance.