Golden Finance reports that JPMorgan Chase has expanded its blockchain-based payment system JPM Coin to provide corporate customers with euro-denominated transactions. According to Toprak, German tech giant Siemens made the first euro payment on the platform. The JPMorgan Coin payment system was originally launched in 2019 for transferring U.S. dollars. Amid the expansion of the euro, JPM Coin has processed more than $300 billion in transactions to date.