[…] 参考サイト： - Mastercard opens access to its blockchain tech ( 2017-10-23 ) - Mastercard sees ‘a lot of promise’ in blockchain tech if safety and simplicity are prioritized | TechCrunch ( 2023-05-24 ) - Mastercard and J.P. Morgan Partner on Blockchain-Based B2B Payments | PYMNTS.com ( 2024-11-21 ) […]