Monument Bank Pioneers Tokenized Deposits for Everyday Customers on Public Blockchain
A Historic Step for UK Banking and Blockchain Technology
In a groundbreaking move that could reshape how we think about everyday banking, Monument Bank has announced plans to tokenize up to £250 million (approximately $335 million) of retail customer deposits using the Midnight blockchain network. This London-based challenger bank is making history as the first UK-regulated bank to take this bold step on a public blockchain, marking a significant milestone in the convergence of traditional banking and digital asset technology. What makes this particularly noteworthy is that Monument isn’t just experimenting with blockchain technology behind closed doors or limiting it to corporate clients—they’re bringing it directly to regular people’s savings accounts. The deposits will maintain all the characteristics customers expect from traditional banking: they’ll continue earning interest, remain fully backed by Monument’s reserves, and can be exchanged back to regular pounds sterling on a one-for-one basis whenever customers want. Perhaps most importantly for customer peace of mind, these tokenized deposits will still be protected under the UK’s Financial Services Compensation Scheme, the safety net that protects depositors if a bank fails.
Bringing Blockchain Benefits to Mass-Affluent Customers
Monument Bank isn’t trying to revolutionize banking for everyone all at once. Instead, they’re taking a measured approach by initially targeting what the financial industry calls “mass-affluent” customers—individuals with investable assets ranging from £50,000 to £5 million, according to definitions used by asset manager St. James’s Place. This segment represents people who have substantial savings and investments but aren’t necessarily ultra-high-net-worth individuals. It’s a smart starting point because these customers often have more complex financial needs and may be more open to innovative banking solutions that could give them better control and flexibility over their assets. Monument is no small player in the UK banking scene; the bank currently serves more than 100,000 customers and holds approximately £7 billion in deposits, giving them both the scale and credibility to attempt this ambitious initiative. The first phase of the rollout will essentially create blockchain-based mirrors of customers’ savings balances on the Midnight network, a privacy-focused blockchain infrastructure that prioritizes keeping financial information confidential while still operating on a public network.
Beyond Deposits: A Vision for Comprehensive Tokenized Finance
What Monument has announced goes far beyond simply putting deposits on a blockchain. The bank has laid out an ambitious multi-phase roadmap that could fundamentally transform how its customers interact with their wealth. After successfully implementing tokenized deposits, Monument plans to introduce tokenized investment products, including access to private market opportunities and commodity funds—investment categories that have traditionally been difficult for individual investors to access efficiently. The third phase gets even more interesting: Monument intends to enable customers to borrow against their tokenized holdings directly within the Monument app. Imagine being able to use your savings, investments in private equity funds, or commodity holdings as collateral for a loan without having to liquidate those positions or go through lengthy approval processes. This kind of integrated financial ecosystem, where deposits, investments, and lending all work seamlessly together on blockchain rails, represents the kind of innovation that fintech companies have been promising but few have delivered, especially within the framework of full banking regulation.
Privacy-First Infrastructure Built on Proven Technology
The technical foundation for Monument’s tokenization initiative comes from the Midnight Foundation, which provides the blockchain infrastructure through Shielded Technologies, a company with connections to Input Output, the organization behind Cardano, one of the more established blockchain networks. The choice of Midnight is particularly significant because of its focus on privacy—a critical consideration when dealing with people’s financial information. Monument has emphasized that the system is specifically designed so that transaction data remains visible only to the bank itself and the individual customers involved in each transaction. This privacy-first approach addresses one of the biggest concerns people have about blockchain technology: the fact that many public blockchains make all transaction details visible to anyone who wants to look. For financial services, where confidentiality is both expected and often legally required, this privacy layer is essential. At the same time, the system operates within all existing UK banking protections and compliance rules, meaning customers aren’t being asked to give up regulatory protections in exchange for technological innovation. This balance between blockchain transparency (for regulators and the parties involved) and privacy (from the general public) could become a template for how regulated financial institutions adopt blockchain technology going forward.
Expanding the Model Through Banking-as-a-Service
Monument’s ambitions extend beyond its own customer base. The bank has revealed that Monument Technology, an affiliated company, plans to offer tokenized deposit functionality through its Banking-as-a-Service (BaaS) platform. This is where the announcement becomes potentially transformative for the broader financial industry. Banking-as-a-Service platforms provide the technical and regulatory infrastructure that allows other companies—whether fintech startups, established retailers, or other institutions—to offer banking products without having to become banks themselves. By offering tokenized deposit capabilities through this platform, Monument is essentially creating a turnkey solution that other institutions could adopt to bring blockchain-based banking to their own customers. This could accelerate the adoption of tokenized deposits far beyond Monument’s own operations, potentially creating a new standard for how deposits are managed in the digital age. If other institutions begin adopting this model, we could see a significant portion of the UK’s banking system gradually shift toward blockchain-based infrastructure, all while maintaining the regulatory protections and customer safeguards that traditional banking provides.
Why This Matters for the Future of Banking
While banks around the world have been experimenting with blockchain technology for years, most efforts have remained either in the testing phase, limited to institutional clients, or confined to private, permissioned networks that don’t offer the same benefits as public blockchains. Monument’s announcement represents a departure from this cautious approach by bringing tokenized deposits to retail customers on a public blockchain while maintaining full regulatory compliance. This matters because it demonstrates that the often-discussed benefits of blockchain for banking—improved efficiency, programmability of money, easier integration with digital assets, and faster settlement times—don’t have to come at the expense of customer protection or regulatory oversight. For customers, the immediate benefits might not be revolutionary, but the foundation being laid could enable innovations we haven’t yet imagined. When your deposits exist as programmable tokens rather than just database entries, they can potentially interact with smart contracts, move seamlessly between different financial products, and be used in ways that traditional deposits simply can’t. For the banking industry, Monument is proving that transformation doesn’t require abandoning the regulatory frameworks that protect customers—it requires building new technology that works within those frameworks. As other banks watch this initiative unfold, successful implementation could trigger a wave of similar moves across the industry, marking 2024 as the year when tokenized banking moved from concept to reality for everyday customers.












