BitGo and ZKsync Join Forces to Build Tokenized Deposit Infrastructure for Banks

Introduction

The intersection of traditional banking and blockchain technology has long been a subject of intense speculation. Now, a concrete and potentially transformative partnership between custody giant BitGo and Ethereum Layer 2 network ZKsync is moving that conversation from theory to practice. The two firms are collaborating to build tokenized deposit infrastructure that could serve as a critical bridge for banks looking to participate in the onchain economy.

For years, major financial institutions have watched the rise of decentralised finance from a cautious distance. Regulatory uncertainty, technological complexity, and reputational risk have all contributed to a pattern of deliberate restraint. Yet the underlying economics of blockchain-based settlement — near-instant finality, programmable logic, and dramatically lower reconciliation costs — have proven difficult to ignore indefinitely. BitGo and ZKsync are betting that the moment for institutional participation has arrived, and that the right infrastructure stack can make the transition manageable for even the most risk-averse bank.

What BitGo and ZKsync Are Building

The partnership centres on a tokenized deposit platform that enables banks to issue digital representations of customer deposits directly on a blockchain network. Unlike stablecoins, which are issued by non-bank entities and carry their own regulatory classification, tokenized deposits are bank-issued instruments — subject to the same deposit insurance and regulatory oversight as their traditional counterparts. This distinction matters enormously to compliance officers and regulators who must sign off on any blockchain deployment.

ZKsync provides the underlying Layer 2 infrastructure for the initiative. As a zero-knowledge rollup built on top of Ethereum, ZKsync combines the security guarantees of Ethereum's base layer with dramatically higher throughput and lower transaction costs. For a bank processing thousands of payment instructions per hour, the cost efficiency of a Layer 2 environment versus Ethereum mainnet is not merely convenient — it is a prerequisite for commercial viability.

BitGo, meanwhile, contributes its decade of institutional custody experience to the stack. The firm manages billions in digital assets on behalf of hedge funds, exchanges, and corporate treasuries, and has built a reputation for security architecture that meets the stringent standards demanded by institutional clients. Its involvement in the tokenized deposit project brings credibility that a pure blockchain-native team might struggle to establish with traditional banking counterparts.

The Case for Tokenized Deposits

To understand why tokenized deposits are attracting serious institutional attention, it helps to examine where existing payment infrastructure falls short. Correspondent banking relationships — the backbone of cross-border payments — involve chains of intermediary banks, each maintaining their own ledgers and settlement processes. A single international wire can take two to five business days to settle and pass through multiple correspondent banks, each extracting fees and introducing reconciliation complexity.

Tokenized deposits, by contrast, can settle in seconds. Because both the sending and receiving bank's deposits are represented on the same blockchain ledger, transfer becomes an atomic swap — the debit and credit occur simultaneously, eliminating the counterparty risk that makes traditional settlement so cumbersome. For treasury management, trade finance, and real-time payroll applications, this represents a fundamental improvement in how capital moves.

The programmability dimension adds another layer of potential. Smart contracts can encode conditional payment logic directly into a tokenized deposit instrument. An escrow arrangement that would normally require a lawyer, a notary, and days of paperwork can be reduced to a few lines of Solidity. Letters of credit, supply chain financing, and derivatives collateral management all become candidates for significant efficiency gains once the underlying currency unit is programmable.

Why ZKsync's Zero-Knowledge Architecture Matters

Not all Layer 2 solutions are equal, and BitGo's decision to partner specifically with ZKsync reflects a deliberate technological choice. Zero-knowledge rollups offer a particular set of properties that are especially relevant to banking applications.

The core mechanism of a ZK rollup involves bundling thousands of transactions off-chain, generating a cryptographic proof that all of those transactions were executed correctly, and submitting that proof to Ethereum's main chain. The proof can be verified quickly and cheaply, allowing the rollup to inherit Ethereum's security without burdening the main chain with every individual transaction.

For banking applications, the privacy properties of zero-knowledge cryptography are particularly attractive. While current ZKsync deployments do not default to transaction privacy, the underlying cryptographic framework is extensible in ways that optimistic rollups are not. Future iterations could enable selective disclosure — allowing a bank to prove to a regulator that a payment complies with AML requirements without revealing the underlying transaction details to the public. This has the potential to resolve one of the most persistent tensions between blockchain's transparency and banking's confidentiality obligations.

ZKsync's throughput capabilities are also well-suited to the payment volumes that banks process. The network can handle thousands of transactions per second at costs orders of magnitude below Ethereum mainnet — a practical requirement for any institution processing retail payment flows at scale.

The Regulatory Landscape

The timing of the BitGo-ZKsync initiative is not accidental. The regulatory environment in the United States and abroad has shifted meaningfully in recent months, creating more headroom for banks to explore blockchain-based payment infrastructure.

The SEC has adopted a more accommodating posture toward digital asset infrastructure under its current leadership, and the OCC has issued guidance that allows nationally chartered banks to participate in stablecoin and blockchain payment networks under existing authorities. The Federal Reserve has been more cautious, but has not moved to block bank participation in tokenized asset markets — instead signalling a preference for careful, supervised experimentation.

In Europe, the Markets in Crypto-Assets regulation provides a framework for stablecoin issuers that banks can potentially navigate with their existing compliance apparatus. The BIS Innovation Hub has published research on tokenized deposits that, while not endorsing any particular approach, has legitimised the concept within central banking circles. The IMF has similarly acknowledged tokenized deposits as a potential improvement over existing payment infrastructure in lower-income countries where correspondent banking relationships are thin.

This regulatory thaw does not mean that approval is guaranteed or that implementation will be straightforward. Banks operating in multiple jurisdictions face the challenge of ensuring that their tokenized deposit infrastructure complies with each country's rules simultaneously — a requirement that places significant demands on the compliance architecture of any platform provider.

Competitive Context

BitGo and ZKsync are not alone in pursuing this opportunity. JPMorgan's Onyx platform has processed hundreds of billions of dollars in repo transactions on a permissioned blockchain. Goldman Sachs has its Digital Asset Platform, which has been used for bond issuances. Blackrock recently filed for a tokenized money market fund that could serve as a template for tokenized deposit instruments.

What distinguishes the BitGo-ZKsync approach is its ambition to build infrastructure that is available to banks of all sizes, not just those with the resources to construct proprietary platforms. A regional bank in Southeast Asia or Latin America cannot afford to build its own Layer 2 rollup. By providing a shared, audited, regulatory-compliant platform, BitGo and ZKsync aim to democratise access to tokenized payment infrastructure in a way that incumbent solutions have not.

The competitive dynamic also intersects with the stablecoin market. If tokenized deposits can achieve network effects, they could potentially displace privately-issued stablecoins for institutional payment purposes. From a regulatory perspective, this would be broadly welcomed — central banks have consistently expressed concern about the systemic implications of privately-issued payment instruments operating at scale outside the traditional banking system.

Implementation Challenges

For all its promise, the BitGo-ZKsync initiative faces substantial implementation challenges. The technical complexity of integrating blockchain infrastructure with legacy core banking systems — many of which were built decades ago and were not designed with open APIs — is not trivial. Banks will need to build or procure middleware that can translate traditional payment instructions into blockchain transactions and vice versa.

The interoperability question is also unresolved at the industry level. If Bank A issues tokenized deposits on ZKsync and Bank B issues tokenized deposits on a different network, the efficiency gains from instant settlement evaporate unless there is a mechanism for cross-network transfers. Solving this requires either convergence on a single platform — unlikely given competitive dynamics — or the development of bridge infrastructure that introduces its own complexity and risk.

Governance of the shared platform will also require careful design. Who decides when to upgrade the smart contracts that govern tokenized deposit transfers? How are disputes resolved? What happens if a software bug results in incorrect settlement? These questions do not have obvious answers, and the process of resolving them will require sustained engagement between BitGo, ZKsync, their banking clients, and the relevant regulators.

What This Means for the Broader Market

The BitGo-ZKsync partnership is best understood as one piece of a larger structural shift in how financial infrastructure will be built over the next decade. The technology to represent real-world assets — deposits, bonds, equities, commodities — as programmable tokens on a blockchain now exists and is sufficiently mature for production use. The regulatory frameworks, while still evolving, are moving in a direction that permits institutional participation. The commercial case, based on settlement efficiency and reduced reconciliation costs, is compelling.

What has been missing is credible institutional-grade infrastructure that banks can deploy without building from scratch. If BitGo and ZKsync can deliver that infrastructure — and the combination of BitGo's custody expertise with ZKsync's technical capabilities suggests they are well-positioned to do so — the pace of bank adoption could accelerate significantly.

For investors, the implications are broad. Banks that successfully deploy tokenized deposit infrastructure could see meaningful reductions in their cost bases, particularly in correspondent banking and trade finance. Financial technology companies that build services on top of tokenized deposit rails — programmable escrow, automated trade finance, real-time payroll — could access a dramatically larger addressable market.

For Bitcoin and other crypto assets, the success of tokenized deposits would represent further validation of blockchain as a credible financial infrastructure layer, even if the specific networks involved (Ethereum, ZKsync) are distinct from proof-of-work systems.

Conclusion

The partnership between BitGo and ZKsync represents a serious attempt to solve one of the most enduring challenges in financial technology: bringing the efficiency of blockchain settlement to institutions that cannot afford to abandon their existing regulatory and operational frameworks. By combining institutional custody expertise with zero-knowledge Layer 2 infrastructure, the two firms are targeting a market opportunity that could ultimately reshape how banks move money globally.

The road ahead is neither short nor straightforward. Regulatory approval, technical integration, and industry standardisation all remain work in progress. But the direction of travel is increasingly clear — and BitGo and ZKsync are positioning themselves at the centre of where traditional finance and blockchain infrastructure are converging.

Read the original article URL: https://www.coindesk.com/business/2026/03/25/bitgo-teams-with-zksync-to-build-tokenized-deposit-infrastructure-to-bring-banks-onchain