ソース:[1] OSL Group Completes Acquisition of Licensed Indonesian Exchange Koinsayang - TechFlow (https://www.techflowpost.com/newsletter/detai ...)[2] OSL Group Secures Crypto Trading License with Acquisition of Koinsayang - CoinCentral (https://vertexaisearch.cloud.google.com/groun ...)[3] The rise and future of the crypto payment ecosystem: from DeFi to PayFi - Binance (https://vertexaisearch.cloud.google.com/groun ...)