PANews reported on December 2nd that French cryptocurrency savings platform Bitstack announced the completion of a $15 million Series A funding round, led by 13books Capital, with participation from AG2R LA MONDIALE, Plug and Play Ventures, Serena, Stillmark, and Y Combinator. The company claims to have over 300,000 active users in France, with accumulated savings exceeding €300 million in Bitcoin, and revenue growing tenfold in two years. It has obtained a MiCA license from the French AMF and operates in multiple European countries. The company will accelerate the launch of its VISA debit card "Stackback" rewards and Euro accounts (including French IBANs), with card testing scheduled to begin on January 13, 2026, for 5,000 eligible users.