A U.S. Senate investigation led by Senator Richard Blumenthal has set a January 4, 2027, deadline for Binance, Tether, World Liberty Financial, and Fight Fight Fight LLC to provide records sought by lawmakers. Blumenthal warned that continued noncooperation could prompt the Permanent Subcommittee on Investigations to consider other measures.

Voluntary Requests With Subpoena Authority in Reserve

Blumenthal's office announced the follow-up letters on November 5 (official release), naming the four companies among the recipients in ongoing inquiries. The requests cover alleged illicit cryptocurrency use and dealings between crypto firms and the Trump administration, alongside potential ethics and legal concerns involving businesses connected to the Trump family.

The letters ask recipients to voluntarily produce records and information by January 4. They caution that failure to meet the deadline will leave the subcommittee considering alternative ways to obtain compliance. The announcement does not identify specific enforcement steps, nor does it say that any company has been found responsible for wrongdoing.

Blumenthal is currently the subcommittee's ranking Democratic member, and his office has identified him as its incoming chair. Under the panel's published rules, the chair — or a member designated by the chair — may issue subpoenas for witnesses and documents. The current letters, however, remain voluntary requests.

That leadership change could shape the inquiry's next stage if the companies do not respond. As ranking member, Blumenthal does not independently hold the chair's subpoena authority. The January deadline provides time for voluntary cooperation before the panel considers further options under its procedures, once its leadership changes.

Binance and Tether Face Illicit-Crypto Questions

The Binance and Tether inquiry examines alleged illicit use of digital assets and what Blumenthal's office describes as self-enrichment or self-dealing involving the Trump administration and cryptocurrency companies. The senator's office has also cited a report about Tether's USDT stablecoin and its alleged role in Iran's shadow banking network.

Targets of my investigations—immigration abuses, Big Tech, crypto corruption, \u0026 more—should be on high alert. As incoming chair of the Permanent Subcommittee on Investigations, I'm sending a warning to all who've failed to cooperate.

— Richard Blumenthal (@SenBlumenthal) November 6, 2026

Tether's role matters because USDT is a widely used dollar-pegged stablecoin across crypto markets. Scrutiny of its controls, transaction monitoring, and responses to law-enforcement requests may add to regulatory attention on stablecoin issuers. The Senate announcement, however, does not establish that Tether violated sanctions or other laws.

Binance is included in the same inquiry into illicit cryptocurrency activity and relationships with the administration. The new letter seeks records as part of the broader investigation; the public notice does not detail every document requested, nor does it disclose the exchange's response. No final findings against Binance or Tether were announced.

Ethics Questions for Trump-Linked Crypto Ventures

A separate inquiry into World Liberty Financial and Fight Fight Fight LLC began in May 2025 and concerns Trump family crypto ventures, including the TRUMP token. Blumenthal's office said investigators are examining possible government-ethics violations, investments from foreign governments, and transactions involving foreign nationals facing federal prosecution.

These remain investigative questions, not established conclusions. The inquiry seeks records that could help lawmakers assess ownership, financing, business relationships, and possible links between private crypto ventures and public responsibilities. The companies' responses may help clarify how the businesses operate and whether the concerns raised by the senator are supported.

The inquiry follows a July 2026 public forum hosted by Blumenthal on the Trump family's crypto ventures. His office said the event included testimony from TRUMP token investors who reported losing thousands of dollars. That testimony forms part of the public record but does not, by itself, establish legal liability.

Separate Tether Payment Inquiry Adds Scrutiny

On October 22, Blumenthal separately requested records from Tether and Nxum Group over reported multimillion-dollar payments to the consulting firm co-founded by former White House digital-assets adviser Bo Hines. The senator sought contracts, payment details, communications, and related information, including cryptocurrency wallet addresses and lobbying materials.

That earlier request carried a November 3 deadline. Tether said it was reviewing the letter and that an earlier outside-counsel review found no evidence of wrongdoing. That response addressed the reported Nxum arrangement, a separate matter from the broader January deadline.

The January 4 deadline allows the four companies to provide records voluntarily. If they do not, the subcommittee may consider other means of obtaining them, though Blumenthal has not specified what action could follow. The probe remains at the records-gathering stage, with no conclusions announced.