Brian Armstrong

Customers sued Coinbase, Coinbase Global and Armstrong, arguing that listed cryptoassets were securities sold without registration. Following an appeal and remand, the case reached summary judgment proceedings in 2026.

Attribution

Accused

From June 2023, Coinbase faced orders, cease-and-desist letters and actions in ten US states concerning compliance of its staking services with local securities laws. Temporary restrictions were agreed in several states.

State of the evidence

Documented

Armstrong and Coinbase helped build a substantial pro-crypto political infrastructure around Fairshake and Stand With Crypto. In 2026, the Coinbase-supported network mobilised millions of members and influenced the midterm elections and debate over the Clarity Act.

State of the evidence

Documented

Attribution

Direct responsibility

In January 2026, Armstrong withdrew Coinbase's support for the proposed version of the Clarity Act, criticising in particular its treatment of tokenised equities, stablecoin rewards and the allocation of regulatory powers. On 15 September 2026, after months of negotiations and industry lobbying, the Senate failed to reach the 60 votes required to advance the bill (50–49).

State of the evidence

Documented

Attribution

Direct responsibility

The SEC investigated Coinbase's presentation of its former 'verified users' metric, used before the public listing and subsequently abandoned as a principal performance indicator. The inquiry concerned how this figure had been communicated to investors.

State of the evidence

Documented

A Delaware derivative action accuses Armstrong and other executives and directors of selling shares during the 2021 direct listing while possessing adverse non-public information. The complaint attributes substantial sales to Armstrong and seeks recovery on Coinbase's behalf.

Attribution

Accused

Investors sued Coinbase, Armstrong and other executives, alleging misleading statements or omissions concerning various risks, notably the treatment of assets in bankruptcy and regulatory exposure. Following several versions of the complaint, certain theories survived.

State of the evidence

Documented

Attribution

Accused

Coinbase announced approximately 700 job cuts, nearly 14% of its workforce, amid falling cryptocurrency activity and an AI-focused restructuring. Armstrong explained that AI enabled smaller, more productive teams.

State of the evidence

Documented

Attribution

Direct responsibility

Investors sued Coinbase, Coinbase Global and Armstrong after LUNA collapsed, alleging, among other matters, misleading statements or omissions and violations of securities laws. On 7 May 2026, the Manhattan federal court dismissed the securities claims and ordered arbitration of the other claims; judgment was entered for the defendants on the dismissed counts.

State of the evidence

Documented

Attribution

Accused

The SEC sued Coinbase and Coinbase Global, alleging that the platform operated as an unregistered exchange, broker and clearing agency and that its staking programme constituted an unregistered securities offering. Armstrong publicly challenged the agency's approach.

Coinbase disclosed that cybercriminals had bribed overseas support agents to obtain data about certain customers, then demanded $20 million. The company refused to pay the ransom, announced compensation for affected customers and estimated the financial impact at between $180 million and $400 million.

State of the evidence

Documented

Attribution

Direct responsibility

Armstrong publicly explained that he had required Coinbase's engineering team to adopt AI-assisted coding tools quickly after purchasing enterprise licences. He said he summoned engineers who had not started using them on a Saturday and dismissed those whose explanations he considered inadequate.

State of the evidence

Documented

Attribution

Direct responsibility

The FCA fined CB Payments Limited, a Coinbase group company, £3.503 million for repeated breaches of a voluntary requirement preventing it from providing services to new high-risk customers while remediating financial crime controls.

State of the evidence

Documented

Armstrong announced that Coinbase would stop working with law firms hiring government officials whom he considered responsible for unjustified anti-crypto actions, notably targeting Milbank's recruitment of former SEC Enforcement Director Gurbir Grewal.

State of the evidence

Documented

Attribution

Personally implicated

Coinbase froze hiring, rescinded certain accepted offers and cut approximately 18% of its workforce in June 2022. A further reduction of approximately 950 positions followed in January 2023. Armstrong accepted responsibility for having expanded staffing too quickly during the bull market.

State of the evidence

Documented

Attribution

Direct responsibility

New York's Department of Financial Services concluded that Coinbase's BSA/AML programme, KYC checks, transaction monitoring and handling of alerts had substantial deficiencies. The settlement provided for a $50 million penalty and $50 million in additional compliance investment.

State of the evidence

Settlement

De Nederlandsche Bank fined Coinbase Europe €3.325 million for providing cryptocurrency services in the Netherlands without the legally required registration for an extended period. DNB described the breach as very serious.

State of the evidence

Documented

A Coinbase regulatory filing indicated that, in bankruptcy, cryptoassets held on customers' behalf could be treated as part of the bankruptcy estate and customers as unsecured creditors. The wording caused considerable concern.

State of the evidence

Documented

Attribution

Direct responsibility

A few days after launching retail services in India, Coinbase stopped accepting UPI payments. Armstrong stated that 'informal pressure' from the Reserve Bank of India had prompted the interruption and described it as a 'shadow ban'.

State of the evidence

Documented

Attribution

Direct responsibility

An anonymous employee petition demanded the departure of several Coinbase executives. Armstrong publicly described the petition as 'really dumb', urged employees who lacked confidence in management to resign and warned that repeated public criticism of colleagues could lead to dismissal.

State of the evidence

Documented

Attribution

Direct responsibility

Former Black employees described experiences of discrimination and unequal treatment at Coinbase in the press, while a subsequent analysis fuelled debate about gender and racial pay disparities. Coinbase publicly disputed some allegations and defended its practices.

The CFTC sanctioned Coinbase for reporting false, misleading or inaccurate transaction information and for wash trading on GDAX. The order imposed a $6.5 million penalty on Coinbase.

State of the evidence

Settlement

Following discussions with the SEC over its proposed Coinbase Lend product, Coinbase received a Wells Notice indicating that enforcement action could be recommended if the product launched. Armstrong publicly accused the SEC of opacity and 'sketchy behavior'.

State of the evidence

Documented

Attribution

Direct responsibility

Armstrong announced that Coinbase would remain focused on its economic mission and limit political or social debate and activism unrelated to work. Employees unwilling to accept the approach could take a severance package, leading to a wave of departures and debate about freedom of expression and internal culture.

State of the evidence

Documented

Attribution

Direct responsibility

Coinbase acquired Neutrino, several of whose executives had worked for Hacking Team, a surveillance software company associated with repressive governments. The revelation triggered an account deletion campaign and criticism of Coinbase's values.

State of the evidence

Admitted by the person

Attribution

Direct responsibility

The IRS sought information from Coinbase identifying US taxpayers who had used the platform. Armstrong publicly challenged the breadth of the request and defended user privacy, while the government obtained judicial authorisation to serve a John Doe summons that was subsequently narrowed.

State of the evidence

Documented

Attribution

Direct responsibility

A rise in Bitcoin Cash before the announcement that Coinbase would list it fuelled suspicions that employees or contractors had used confidential information. Armstrong announced an investigation and reiterated internal rules prohibiting trading on material non-public information.

State of the evidence

Documented

Role of the person profiled

Protagonist not prosecuted