Stablecoins and Tokenised Money: What Comes After Traditional Payments?
The GENIUS Act's federal implementing rules were due by July 18, 2026. They remain incomplete. The OCC's proposal is still in comment, and the statute's effective date now falls to whichever comes first, January 18, 2027, or 120 days after the last agency finalises its rule. Stablecoin markets and bank tokenisation programmes have scaled ahead of that framework, not behind it.
Where the Market Stands
Total stablecoin market capitalisation: $300-320 billion through 2026 (DefiLlama)
Tether and Circle: roughly 80% combined market share
Tether's US Treasury exposure: ~$141 billion as of March 31, 2026, a top-20 global holder position
Federal rulemaking status: OCC NPRM published February 25, 2026; FDIC proposal addressing reserve deposit insurance and tokenised deposit treatment followed; Treasury's "substantially similar" state-regime rule closed comments June 2, 2026
None of these proposals are final. Issuers and banks are building against where the rules are expected to land, not where they currently stand.
Tokenised Deposits: The Bank-Side Answer, With a Structural Limit
Banks have not waited on Washington to build their own rail:
JPMorgan (Kinexys/JPMD): averaging $7 billion+ in daily volume, $4 trillion cumulative
Citigroup (Citi Token Services): live in the US, UK, Singapore, and Hong Kong
Wells Fargo: joined the tokenised deposit cohort on August 4, 2026
Adoption breadth: 24 of the 50 largest US banks now actively tracking the technology
The limitation is structural, not technical. A tokenised deposit is a claim on the issuing bank alone, a JPMorgan token settles only among JPMorgan clients. Interbank settlement of tokenised deposits on private blockchains does not yet exist, a gap former Treasury official Nellie Liang and colleagues at Brookings raised directly this spring. The Clearing House is building toward interbank capability comparable to CHIPS' $2 trillion daily volume, but stablecoin consortia are on track to reach shared payment rails roughly a year earlier.
The Distinction That Matters
The relevant question for practitioners is no longer "stablecoin or tokenised deposit" it's which rail fits which use case:
Stablecoins: open, cross-border, always-on settlement
Tokenised deposits: regulated, interest-bearing, bank-grade liquidity management within existing capital and BSA frameworks
Reserve composition adds a second layer of compliance and treasury teams should be tracking directly, stablecoin issuers now sit among the largest sovereign debt holders globally, which is a monetary-plumbing fact, not a crypto-market footnote.
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By: Zinah Abdaki, CMO at QUBE Events
Sources: DefiLlama stablecoin dashboard (retrieved June–August 2026) · OCC NPRM, Federal Register (February–March 2026) · FDIC proposed rulemaking (April 2026) · Chapman and Cutler, GENIUS Act Rulemaking Tracker (July 16, 2026) · TechTimes, "Banks Rush to Tokenize Deposits" (August 2026) · Spark Research, "TradFi Meets DeFi" (June 2026)
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