This illustrative photograph taken on November 22, 2024 in Istanbul shows imitation coins of the crypto Bitcoin. (Photo by Ozan KOSE / AFP) (Photo by OZAN KOSE/AFP via Getty Images)
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For years, banks have been tiptoeing toward blockchain. They have explored pilot projects, commissioned research, partnered with fintechs, and debated tokenization strategies, all while waiting for regulators to clarify where the guardrails actually lie.
Earlier this week, the OCC issued Interpretive Letter 1186, confirming that national banks and federal savings associations may hold crypto assets as principal on their balance sheets when those assets are necessary to operate or support otherwise permitted banking activities. In practical terms, this involves holding small amounts of digital assets to pay for blockchain network or gas fees, operating a tokenized custodial platform, or testing blockchain-based settlement systems.
These guidelines do not authorize the speculative activity of crypto trading desks, but rather represent a targeted and operational way forward. It also signals a shift from conceptual exploration to infrastructure provision.
How Crypto Went from Niche to Mainstream Utility
For many institutions, until recently, work on blockchain remained conceptual. Teams exploring tokenized deposits or real-time settlement have often encountered a fundamental constraint: how to test or execute blockchain-based functions if the institution is unable to hold the digital assets necessary to operate the rails? The OCC’s interpretation removes the sticking point. Banks can now hold limited amounts of cryptocurrencies only to facilitate pilot projects and operational processes. It recognizes that modern settlement and payment systems may require new forms of digital “fuel”, even when the underlying business models remain traditional.
Features that were previously difficult to test, such as blockchain-based settlement pilots, tokenized deposit experiences, cross-platform interoperability testing, smart contract-enabled workflows, and on-chain know-your-customer and anti-money laundering proofs, are now coming into scope. For an industry that tends to act cautiously in the face of ambiguity, regulatory clarity is itself a catalyst for change.
What this new crypto regulation means for banks
Most banks are not ready to tokenize their balance sheets. But the OCC’s guidance gives them a clearer path to modernizing the rails beneath their core services. With permission to hold small amounts of cryptocurrencies for operational purposes, institutions can finally begin working with tokenized deposits, programmable payments, and blockchain-based settlement systems without navigating regulatory uncertainty.
Even with this new flexibility, governance and risk management remain essential. The ability to hold operational cryptocurrencies does not change long-standing expectations for security and robustness, custodial controls, vendor oversight, or AML/KYC requirements. Banks that combine technical experimentation with disciplined compliance frameworks will be best placed to make progress.
The guidance also reshapes how banks can evaluate vendor partnerships. Institutions exploring operational crypto will increasingly seek fintech partners that offer secure custody, manage gas fee collection, support token-agnostic infrastructure, and provide audit trails that meet monitoring expectations.
This shift could encourage a new wave of collaboration focused on the core infrastructure of institutions rather than consumer-facing digital asset products.
What this means for Fintechs
For fintech companies working in the areas of tokenization, settlement technology, compliance infrastructure, or on-chain/off-chain connectivity, the OCC’s interpretation represents a significant opening.
Regulatory uncertainty has long slowed bank adoption; the ability of institutions to keep cryptographic changes operational in this conversation. Fintechs that can demonstrate clear operational efficiencies – rather than emphasizing speculative applications – could benefit from stronger commitment from banks.
Success will require a “bank-ready” architecture: detailed audit trails, token management practices aligned with supervisory expectations, clear separation between operational and speculative assets, and enterprise-grade risk and compliance capabilities. As banks begin to test tokenized deposits, collateral flows or settlement processes, fintechs that can quantify improvements in speed, cash flow efficiency or operating costs will be well placed.
Although the OCC’s interpretation does not answer all questions related to the regulation of digital assets, it removes one of the most practical obstacles to blockchain-based modernization. Banks do not need to take a market view on digital assets to test or exploit emerging rails. They simply need to be able to use small amounts of crypto to operate these systems. The operational moment has arrived and banks and fintechs now have the opportunity to move forward within a defined regulatory perimeter.
