Crypto Long & Short: The GENIUS Act’s guarantees don’t cover DeFi lending

Judgment

Institutions screening DeFi lending should move diligence from stablecoin backing to post-deployment control — who can amend loan terms and who feeds the price. A fully reserved coin guarantees redemption but not collateral, so the binding limit is governance and oracle risk rather than issuer solvency.

Basis

Mike Hathaway and Joseph Quintilian of Ajna argue that institutions asking which DeFi markets are safest are asking the wrong question; the better question is who can change a loan's terms after the money has been lent. Their mechanism is a split between two layers that are often collapsed into one. Stablecoin backing operates at the redemption layer: reserves stand behind the token, which is what the GENIUS Act's guarantees address. Loan terms and collateral valuation operate at the contract layer, where a token vote can rewrite terms and a faulty price feed can misprice collateral. Because those two layers are governed by different parties, a fully backed coin offers no protection against either failure — the reserve is intact while the position is impaired. The authors' implication is that backing is a necessary but insufficient screen, and the decisive diligence target is control: who holds upgrade or parameter authority, and where the price comes from.