Circle gains ground in Europe. | Credit: Max Mumby/Indigo/Getty Images. Key Takeaways Deutsche Börse will integrate Circle’s stablecoins and tech into its market infrastructure. Circle was the first global stablecoin issuer to receive EU approval. USDC carries a market cap of $73.44 billion, and EURC stands at $257.99 million. Stablecoin adoption in the European Union (EU) is set to get a major boost as one of the crypto market’s top issuers, Circle (USDC), inks a partnership with German multinati ...