CryptoSlate
Six Republican senators wrote to Federal Reserve Vice Chair for Supervision Michelle Bowman, FDIC Chair Travis Hill and Comptroller of the Currency Jonathan Gould on May 27, urging the agencies to build a new capital framework for on-balance-sheet digital asset activities. Their target is Basel's 1,250% risk weight for assets such as Bitcoin — multiplied by the 8% minimum capital requirement, that works out to a 100% capital allocation. A bank holding $100 million in Bitcoin must therefore back it with $100 million in capital at the floor, and roughly $150 million in capital once internal CET1 targets above the regulatory floor are layered in.
Why it matters
Normal custody, trading, or client-service economics rarely generate returns high enough to clear a 12% ROE hurdle on a position structured that way, leaving a bank legally authorized to hold Bitcoin but financially unable to justify doing so. The senators argue the risks Basel used to justify the weight — price volatility, custody complexity, operational exposure — are quantifiable, and a calibrated framework can address them without requiring capital equal to or greater than the exposure itself. The Basel Committee agreed in November 2025 to expedite a targeted review of elements of its cryptoasset standard, and Chair Erik Thedéen has said the global rules for banks need to be reworked after the US and UK both declined to implement the current framework.
Market impact
The letter lands as the Senate Banking Committee advanced the CLARITY Act on May 14 by a 15-9 vote, opening a clearer statutory role for banks in digital asset markets that means little if the capital charge makes the position uneconomic from day one. Under a calibrated 100%-300% risk-weight band, $100 million in Bitcoin exposure would require only $8 million to $36 million in capital, putting bank market-making, prime brokerage and structured crypto products in reach.
Frequently asked questions
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What is the 1,250% risk weight and why does it matter for banks?
Basel's 1,250% risk weight for assets such as Bitcoin multiplied by the 8% minimum capital requirement equals a 100% capital allocation. A bank holding $100 million in Bitcoin must back it with $100 million in capital at the floor, climbing to roughly $150 million once internal CET1 targets above the regulatory floor…
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What did the six Republican senators ask regulators to do?
In a May 27 letter to Federal Reserve Vice Chair for Supervision Michelle Bowman, FDIC Chair Travis Hill and Comptroller of the Currency Jonathan Gould, six GOP senators urged the agencies to build a new capital framework for on-balance-sheet digital asset activities rather than relying on the 1,250% risk weight.
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How does the CLARITY Act connect to the capital rule debate?
The Senate Banking Committee advanced the CLARITY Act on May 14 by a 15-9 vote, which would give banks a clearer statutory role in digital asset markets. The senators argue that legislative permission without capital efficiency leaves banks holding a permission slip they cannot afford to use, because the capital…
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What could a calibrated capital framework look like?
Under a 100%-300% risk-weight band, $100 million in Bitcoin exposure would require only $8 million to $36 million in capital at standard capital targets, putting bank market-making, custody, prime brokerage and structured crypto products in reach as viable lines of business.
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What is the international backdrop to the senators' push?
The Basel Committee agreed in November 2025 to expedite a targeted review of elements of its cryptoasset standard, and Chair Erik Thedéen has said the global rules for banks need to be reworked after the US and UK both declined to implement the current framework.
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