Four stablecoin rulebooks, one direction: what global convergence still leaves unresolved
The US, EU, UK and Hong Kong now share core stablecoin rules on reserves and redemption. Their differences on yield, foreign issuers and timing matter more.
REGULATIONSTABLECOINS & CBDCANALYSIS
Lukas Brenner
10/28/20263 min read
A year ago, a stablecoin issuer surveying the world's major financial centers saw a patchwork of drafts. By late October 2026 the picture is far more settled. The US Office of the Comptroller of the Currency finalized its GENIUS Act rule on October 21, the EU is enforcing MiCA's stablecoin provisions, the UK published final rules at the end of June, and Hong Kong issued its first issuer licenses in April. The regimes increasingly agree on the basics. The places where they still differ will decide who leads the next phase of the market.
Every major regime now requires full backing by high-quality liquid assets held apart from the issuer's own balance sheet. The UK, for example, requires reserves to sit in a statutory trust for holders, with at least 5% in deposits available on demand. Redemption at par is close to a universal right: the UK sets a maximum of one business day after the issuer receives the token, and the OCC rule contains detailed redemption requirements of its own. Licensing, audits, reporting and anti-money laundering duties follow similar templates.
That agreement matters because stablecoins are now large enough to reach mainstream payments. Stablecoin payment volume reached $482 billion through September as Visa, Mastercard and Stripe added services. Banks are entering directly too. HSBC launched a Hong Kong dollar stablecoin on its PayMe app after receiving one of the first two Hong Kong licenses; the other went to Anchorpoint Financial, a joint venture of Standard Chartered, Animoca Brands and HKT.
Gap one: yield and rewards
The sharpest disagreement concerns rewards. The major regimes all stop issuers from passing reserve income to holders as interest, but they treat other rewards differently. The UK lets issuers pay usage-based rewards from their own funds, as long as those payments are not linked to reserve income. In the US, the question of whether exchanges and other distributors may offer rewards was one of the issues that helped sink the CLARITY Act in September, because banks see interest-like stablecoin rewards as competition for deposits. The answer will shape whether stablecoins remain a payment tool or turn into a savings product.
Gap two: foreign issuers
The second gap is how each regime treats issuers based elsewhere. MiCA allows only tokens from EU-authorized issuers to be offered to the public, which is why ESMA has told licensed firms to stop supporting non-compliant stablecoins by January 8, 2027, and why Coinbase asked European customers to withdraw USDT by October 30. The US framework, by contrast, includes a route for foreign issuers from jurisdictions judged comparable, and the OCC rule now covers their supervision. Tether's USDT, the largest stablecoin by supply, therefore faces very different access in the two markets.
Mutual recognition would ease the friction, but no major regime has yet granted equivalence to another. Until that happens, global issuers face a choice: build separate entities and reserve pools for each market, or concentrate on the jurisdictions that matter most and accept being shut out of others.
Gap three: timing
The final gap is the calendar. The OCC rule takes effect on January 18, 2027, although the agency has not yet said when it will start accepting applications. The UK regime starts on October 25, 2027, and its application window opened on September 30 and closes on February 28. South Korea is still debating a consolidated digital asset law, including whether banks must own majority stakes in won-stablecoin issuers, and plans a separate foreign exchange change to treat stablecoins as payment instruments. The European Central Bank has said a digital euro could be issued in 2029 if the legislation passes this year.
These timelines interact. A dollar stablecoin that wants to serve American, British and European users in 2027 needs a US approval, a UK authorization and an EU e-money license, each on its own schedule and each with its own reserve rules.
Three scenarios for 2027
In the first scenario, convergence continues. Core rules align, a few equivalence agreements follow, and large dollar and euro stablecoins operate under parallel licenses in each major market. This favors well-capitalized issuers and banks. In the second, fragmentation hardens. Rules on rewards and foreign issuers diverge further, liquidity splits along regional lines, and users in the EU, UK and US see different tokens, and sometimes different prices, for what is nominally the same dollar.
In the third, banks win the distribution race. Tokenized deposits and bank-issued stablecoins of the kind HSBC and Standard Chartered are building take share from crypto-native issuers in regulated payments, while offshore tokens keep their role in trading. Which path prevails depends less on the shared core than on the three gaps above, and each of them is likely to be settled in 2027.