Basel's punitive 1,250% risk weight on Bitcoin makes bank crypto custody uneconomic. A review is underway, but national splits could keep digital assets outside regulated walls.
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Banks in the US, UK, and Europe now have legal paths to issue stablecoins, custody Bitcoin, and settle tokenized funds. Yet the capital rulebook still treats a Bitcoin position as something close to a guaranteed loss.
Under the Basel Committee's cryptoasset standard, live since January 1, 2026, unbacked crypto carries a 1,250% risk weight. Push that through Basel's 8% minimum capital requirement, and a bank must set aside one dollar of equity for every dollar of Bitcoin on its books. The gap between permission and capital cost is the part of crypto regulation almost nobody is watching, even though it will decide how much digital-asset business actually ends up inside regulated banks.
The standard was written when supervisors were trying to keep crypto out of banking altogether. It was shaped by opacity around stablecoin reserves, exchange collapses, and contagion from FTX and Celsius. The phase banks are walking into now looks very different: tokenized deposits, stablecoin reserve management, custody, and on-chain settlement are increasingly part of regulated balance sheets. You can already see it in JPMorgan's JPMD deposit token, Citi's Token Services, and tokenized deposit work at HSBC.
The Committee itself seems to feel the fit has loosened. It opened an expedited review of targeted parts of the standard in November 2025, noted progress through February and May of 2026, and has promised an update later this year.
Basel does not write law in any single country. It sets the template that national regulators in the US, EU, UK, Canada, Japan, Singapore, and Hong Kong use to decide how much equity a bank must hold against any asset. The crypto chapter, known as SCO60, sorts everything into tiers. Group 1a covers tokenized versions of traditional assets. Group 1b covers stablecoins that pass strict reserve and redemption tests. Both can be treated roughly like their conventional equivalents. Group 2 catches everything that fails those conditions, splitting into Group 2a for liquid hedgeable assets and Group 2b for the rest.
The 1,250% weight on Group 2b makes the economics brutal. A $100 million Bitcoin position consumes roughly $100 million of capital. No netting of long and short exposures is allowed, so the real bill usually runs higher once buffers and supervisory add-ons are stacked on top. SCO60 also layers on an exposure cap with no real equivalent elsewhere in the framework: a bank's total Group 2 holdings must stay under 1% of its Tier 1 capital. The moment that crosses 2%, every Group 2 position gets dragged into punitive 2b treatment at once, with hedging recognition stripped away.
Industry bodies have pushed back hard. The International Swaps and Derivatives Association and the Global Financial Markets Association told the Committee in August 2025 that whole sections were overly conservative and punitive, pressing for a recalibration before full adoption.
The caution made sense when the rules were finalised. Supervisors were staring at frozen client funds, weak offshore controls, reserve assets nobody could verify, and tokens that fell 70-80% in a single drawdown. Basel's mandate is to stop banks from importing those losses into the deposit base.
The strain now is that the bucket labeled "crypto exposure" stretches to cover wildly different things: a tokenized US Treasury fund, a fully reserved payment stablecoin, a custodied client coin, and a straightforward Bitcoin trade have almost nothing in common once you look at the real risk underneath. Tokenized real-world assets on public chains have already surpassed $16 billion, with government securities making up the largest share. A tokenized Treasury bond on a public blockchain can fail the Group 1 conditions on a technicality and drop straight into Group 2b alongside speculative tokens.
The biggest sign that these categories are buckling is that the world's largest economies have stopped agreeing on them. The Trump administration rejected SCO60 outright. Executive Order 14178 and the July 2025 digital-asset report described the fixed 1,250% weight as anti-innovation and anti-competitive, pointing US regulators toward a risk-based approach tied to how these markets actually behave. Europe is holding the cautious line, folding the Basel treatment into its CRR3 capital rules and the technical standards still being drafted by its banking authority.
Because Basel rules only take effect through national adoption, the same tokenized asset can carry a heavier capital charge in Frankfurt than in New York. A global bank must build separate digital-asset products for separate jurisdictions just to deal with that fragmentation.
The stablecoin market, now around $320 billion and almost entirely dollar-denominated, concentrates the pressure. A fully reserved payment token, a bank's own tokenized deposit, and a tokenized money-market fund each carry different legal claims and sit on the balance sheet in different ways. Basel must price redemption, reserve, liquidity, and enforceability risk separately for every one of them. The US has already leaned into that split: the GENIUS Act keeps tokenized deposits under ordinary deposit treatment while payment stablecoins face a dedicated regime.
The classification effectively determines how much of the settlement layer banks get to hold themselves and how much continues to flow through nonbank issuers. It is the same deposit-flight worry behind the US banking lobby's warning about trillions potentially migrating out of insured accounts.
If the capital charge remains punitive, regulated issuers lean even harder on nonbank infrastructure. Tokenized markets keep scaling outside traditional banking channels, and crypto-native firms hold on to a larger share of settlement for themselves. If the treatment turns more risk-sensitive, tokenized deposits become a credible rival to payment stablecoins, tokenized Treasuries start reaching investors through bank distribution channels, and that activity drifts back toward the regulated core where supervisors would rather have it.
Most crypto regulation reaches people through court fights, enforcement actions, and licensing bills. Banks answer to a slower, heavier rulebook. For them, the deciding factor is the capital cost: the cold calculation of whether a given line of business still clears its return hurdle once the equity charge is counted.
The Basel review will not settle all of this in one stroke. It is happening because the old dividing line between speculative tokens and regulated settlement has worn through. Until someone redraws that line, the banks best equipped to bring crypto inside the regulated system will have every reason to keep working from its edge.
Prepared with AlphaScala research tooling and grounded in primary market data: live prices, fundamentals, SEC filings, hedge-fund holdings, and insider activity. Each story is checked against AlphaScala publishing rules before release. Educational coverage, not personalized advice.