Senator Cynthia Lummis has accused JPMorgan Chase CEO Jamie Dimon of misrepresenting the Clarity Act after his sharp attack on Coinbase CEO Brian Armstrong and on crypto market-structure legislation.
Summary
- Cynthia Lummis criticized Jamie Dimon for his remarks about Coinbase CEO Brian Armstrong and the Clarity Act.
- Lummis said Dimon either had not read the bill or wanted to mislead people about its contents.
- Jamie Dimon argued that the Clarity Act lacks strong protections for stablecoins and crypto deposits.
CNBC reported that Lummis, who chairs the Senate Banking Subcommittee on Digital Assets, pushed back during an interview after Dimon argued that the bill leaves major gaps in banking-style protections. The Wyoming Republican said Dimon’s comments about Armstrong were “really distasteful” and claimed the JPMorgan chief “either hasn’t read the bill or he wants to mislead people.”
Lummis defends crypto bill against bank criticism
As previously reported by crypto.news Dimon’s criticism came during a recent CNBC interview, in which he said, “no one is going to bow down to Armstrong or Coinbase. He also described Armstrong as “full of sh–” while discussing the Clarity Act and the banking industry’s opposition to parts of the legislation.
According to Dimon, the bill would allow crypto companies to offer interest-like rewards on deposits, stablecoins, or similar products without the protections that banks must provide. He also said the proposal does not properly address Anti-Money Laundering rules or the Bank Secrecy Act.
Lummis rejected that reading during her own CNBC appearance. She said AML and BSA obligations already apply to digital assets and added that the requirements are included in the bill.
Stablecoin rewards become a central dispute
The fight has focused heavily on whether crypto platforms should be allowed to reward users for holding stablecoins. Banking groups have warned lawmakers that crypto firms could compete with banks for customer funds while avoiding the same rules that apply to insured deposits.
The American Bankers Association said in May that senators should close what it called a loophole that lets digital asset service providers bypass restrictions on paying interest or yield on payment stablecoins. The association tied that concern to the GENIUS Act, which established stablecoin rules before the current market-structure debate.
A legal analysis from Davis Wright Tremaine said the Senate Banking Committee advanced the Digital Asset Market Clarity Act on May 14, 2026. The firm said the bill covers illicit finance, decentralized finance, stablecoin yield limits, tokenization standards, developer protections, customer property rules, and bankruptcy protections.
Political scrutiny surrounds crypto support
During the CNBC interview, Andrew Ross Sorkin also asked Lummis about her financial and political ties to the crypto industry. Lummis said lawmakers working on industry-specific legislation commonly receive contributions from people affected by those policies.
Lummis has remained one of Congress’s most vocal crypto supporters. In 2024, after Donald Trump began accepting campaign donations in crypto, she said she was building a pro-crypto coalition in Congress.
Coinbase has also become one of the crypto industry’s largest political donors. Its role in Washington has grown as lawmakers debate whether digital asset rules should give more authority to market regulators, banking regulators.
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