
The Blockchain Association urged the SEC to scrap Rules 611 and 610(e), saying they fragment trading and raise costs for tokenized assets. Chairman Atkins' vote is postponed.
The Blockchain Association filed a comment letter on Aug. 17 backing the SEC’s proposal to revise Regulation NMS, the group said. The two rules at the heart of the proposal – Rule 611, the trade-through rule, and Rule 610(e), which prohibits locked and crossed markets – were written for an earlier era of equity trading. The association argued they have fragmented markets, raised costs, and are a poor fit for modern, automated trading, especially for on-chain markets.
Rule 611 forces investors to route orders to venues with protected quotes even when those venues do not offer the best overall execution. Rule 610(e) can distort price discovery because displayed prices often ignore fees and rebates, the letter said. The association told the SEC that removing both rules could improve competition, liquidity, and price discovery for digital asset markets.
The letter highlighted the technological shift that has occurred since the rules were adopted. Blockchain-based markets operate 24/7 with near-instant settlement, transparent records, and self-custody. They use automated market makers, on-chain order books, and intent-based matching systems – mechanisms that differ from traditional exchanges. The association argued that Rules 611 and 610(e) may not be suitable for on-chain markets and could hamper innovation.
The association urged the SEC to consider factors beyond price when designing rules for digital assets. It pointed to speed, settlement certainty, interoperability, and self-custody as critical elements. The letter also asked the SEC to clarify how tokenized securities can trade and settle using stablecoins. Regulation should not prevent blockchain-based markets from integrating tokenized assets, stablecoins, and on-chain settlement, the group said.
The proposal aligns with the Administration’s goal of promoting U.S. leadership in digital assets and financial technology, the letter noted. Chairman Paul Atkins recently proposed a “Regulation Crypto” framework. A vote on that plan, originally scheduled for Aug. 14, has been postponed so lawmakers can first pass the CLARITY Act.
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