The Massachusetts lawmaker asked the US Comptroller of the Currency to provide all communications between the agency and Donald Trump potentially related to the charter approvals. Massachusetts Senator Elizabeth Warren accused the US Comptroller of the Currency (OCC) Jonathan Gould of violating banking laws by approving national trust charters for cryptocurrency companies. In a Monday letter to Gould, Warren said the OCC head had “approved at least nine national trust charters for crypto companies that intend to engage in activities that appear to go far beyond the narrow set of activities permitted by law,” an apparent violation of the National Bank Act. She called on Gould to provide the full applications of crypto companies the OCC had approved or conditionally approved since December 2025, including Coinbase, Crypto.com’s parent company, Ripple, Stripe, BitGo, Circle, Fidelity Digital Assets, Protego Holdings and Paxos, as well as communications between the office and US President Donald Trump, members of his family and White House officials. “These companies are effectively crypto banks that want to evade the fundamental safeguards and obligations that come with being a bank,” said Warren. “Your decision to facilitate this regulatory arbitrage not only conflicts with federal law, it also poses serious risks to consumers, the safety and soundness of the banking system, and the separation of banking and commerce.” Related: Warren urges Fed, Treasury not to ‘bail out’ crypto amid Trump-linked firm concerns Warren, ranking member of the US Senate Banking Committee, has repeatedly criticized lawmakers and regulators for supporting policies with potential conflicts of interest related to Trump’s ties to the crypto industry. She pushed for provisions in the crypto market structure bill, the CLARITY Act, in a committee markup last week and called on Gould to delay consideration of the Trump family-backed crypto business World Liberty Financial, which filed for a