ソース:[1] Santander's Openbank Launches Bitcoin and Cryptocurrency Trading Services in Germany (https://www.techflowpost.com/newsletter/detai ...)[2] Openbank launches cryptocurrency trading service - Banco Santander (https://vertexaisearch.cloud.google.com/groun ...)[3] Bitcoin Magazine Chairman and Trump Crypto Advisor Announces Ambitious $1B Bitcoin Purchase | CCN.com (https://vertexaisearch.cloud.google.com/groun ...)