The links extend beyond staff. When the group staged an event in Westminster, parliamentary records show the room was booked by Coinbase. Stand With Crypto’s privacy policy states that it can share personal information with the company, and vice-versa. Coinbase told us this was standard privacy practice and not an unusual data-sharing arrangement.

Financial filings also underline the relationship. The US-based Stand With Crypto Alliance reported holding cryptocurrency worth almost $600,000 on the Coinbase exchange.

While the British operation remains modest, Stand With Crypto’s US group spent almost $19m in 2024.

That campaign has operated alongside an even larger US political spending machine. Coinbase has contributed…