The U.S. federal banking regulators have finally formally set the rules of the game for stablecoins. The gray area in which traditional banks and crypto companies have fought for years over dollar deposits is about to come to an end.

According to BlockTempo and the latest announcement from the U.S. Office of the Comptroller of the Currency (OCC), the OCC officially finalized the implementing rules for the GENIUS Act on October 21. These rules will take effect together with the parent law on January 18, 2027.

The rules require all regulated payment stablecoins to maintain 100% reserves in U.S. cash or short-term Treasury bills. Issuers must have a minimum daily liquidity standard and complete redemptions within two business days.

The most market-moving change concerns yield-bearing holdings. The original regulatory draft planned to presume that interest distributed by third parties or exchanges was a violation. The final version removed this presumption, leaving it to regulators to review on a case-by-case basis in day-to-day supervision.

This change drew strong protests from the American Bankers Association. Traditional banks believe it effectively leaves exchanges a window to attract deposits. The crypto industry, by contrast, has generally welcomed it, saying it aligns with the intent of the legislation and gives the market some breathing room.

This regulatory development directly affects the fundamentals of the Ethereum (ETH) ecosystem.

More than half of fiat-backed stablecoins are currently concentrated in the Ethereum ecosystem. Once the federal banking path for issuance and custody becomes clearer, the first choice for traditional institutions issuing compliant tokens will still be Ethereum mainnet and its Layer 2 networks. This will bring Ethereum steady fee revenue and settlement depth.

ETH spot on Binance is currently consolidating around $2,406. Although it has followed the broader market pullback in the short term, its on-chain settlement position has not changed. At the same time, if yield products on centralized platforms come under stricter review, some funds seeking on-chain returns may rotate toward Aave, the leading decentralized lending protocol. Binance spot AAVE is currently around $147.

The key point for assessing how this policy is implemented in the future will be whether the Federal Reserve and the Treasury Department introduce even stricter supporting rules before the January 18, 2027 effective date.

If the Fed follows the OCC and relaxes the presumption as well, staking rewards on major compliant exchanges should pass smoothly. The total issuance of compliant stablecoins on the Ethereum chain could move toward the $200 billion mark. Otherwise, if banking lobbying succeeds and restrictions are reinstated, exchanges will be forced to delist most interest-bearing products, and short-term liquidity will inevitably tighten again.

This is purely personal analysis. Please do your own research before investing (DYOR).
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