Coinbase CEO Brian Armstrong has expressed concerns over the UK's proposed stablecoin regulations, which he believes could hinder the country's competitiveness in the digital economy. The Bank of England is considering imposing limits on stablecoin holdings for individuals and businesses, a move Armstrong argues could stifle financial innovation. He has urged UK residents to sign a petition by Stand With Crypto UK, advocating for a government strategy that supports blockchain and stablecoin innovation. The petition has already garnered over 79,000 signatures.