U.S. Congress probes three crypto platforms for insider trading

This week, members of Congress with financial oversight responsibilities opened a formal inquiry into three cryptocurrency trading platforms to investigate allegations of insider trading.

Investigators sent document requests to the platforms seeking trading records, time-stamped trade logs, order books, internal chat messages, employee trading logs and written compliance policies. The letters asked for materials that would show whether nonpublic operational information preceded suspicious market activity.

Lawmakers are focused on whether employees, contractors or other people with privileged access traded ahead of market-moving events. Investigators want records tied to token listings, platform outages, enforcement actions and other operational developments that could affect prices.

The inquiry requests details on internal controls and monitoring systems, including whether the platforms require preclearance for employee trades, how they review flags or alerts, and what steps were taken when potential violations were detected. The scope includes third-party vendors and contractors who may have had access to sensitive information.

If responses are incomplete, investigators may issue additional subpoenas or schedule congressional hearings. Any evidence suggesting criminal activity or breaches of securities or commodities laws could be referred to federal prosecutors and regulatory agencies for enforcement.

Congressional oversight of digital-asset markets has increased in recent years. Federal regulators have pursued enforcement actions in cases alleging market manipulation and fraud, and some exchanges have adopted restrictions on employee trading and implemented surveillance systems.

The letters did not publicly name the three platforms. Platform operators have been asked to cooperate with the review and to produce the requested documents within the timeframes set by the congressional requests.

The inquiry will examine how existing law applies to trading on centralized crypto platforms and whether platform practices around transparency, custody and order handling contributed to the alleged insider activity. The review is ongoing.