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As stablecoins, CBDCs, tokenisation and AI-driven commerce move from theory to reality, businesses face a rapidly changing regulatory landscape. Whilst the US embraces private digital money through stablecoins and China doubles down on state-controlled digital currency, the UK and Europe are pursuing their own paths. The winners may not be those with the best technology but those operating in jurisdictions that provide legal certainty, regulatory credibility and the flexibility to adapt as digital finance evolves.

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The traditional financial system, for all its complexities, has historically provided central banks and state treasuries with a relatively clear picture of economic activity. Commercial banks, payment processors and regulated financial institutions act as intermediaries, generating data trails that enable comprehensive oversight, facilitate monetary policy transmission and ensure tax compliance. However, the advent of agentic USD stablecoins, i.e. US dollar stablecoins being used by autonomous, goal-driven AI agents operating on decentralised or semi-decentralised blockchain networks, is rapidly eroding this visibility.

The regulation of stablecoins has emerged as one of the most pressing issues in UK financial law and policy, and the time for decisive action is now. Designed to maintain stable value by reference to fiat currency or other assets, stablecoins sit at the intersection of payments, banking, financial markets and digital innovation. Their rapid growth, combined with the UK’s ambition to establish itself as a global centre for digital finance, means that the question is no longer whether stablecoins should be regulated, but how. And when.

Artificial intelligence is rapidly evolving from a tool into an autonomous actor capable of trading, managing capital and executing transactions. Yet the internet was never designed with a trusted identity layer for machines. As AI agents increasingly move both information and value, a fundamental question emerges: who verifies that an AI system is acting legitimately and on whose authority? The institutions controlling digital identity may ultimately become the gatekeepers of the next global financial system.

As self-custody wallets and decentralised exchanges rapidly grow, legal recovery of Bitcoin and stablecoins is becoming dramatically harder. Over 580 million crypto users globally now increasingly control assets directly through private keys rather than regulated intermediaries, while DeFi volumes exceeded trillions of dollars in 2025 alone. This shift is eroding the ability of courts, banks, and exchanges to freeze or recover digital assets. In practice, blockchain is transferring financial control from institutions and judges toward individuals, code, and cryptographic sovereignty.