ソース:[1] BNP Paribas and HSBC Join Privacy-Focused Blockchain Canton (https://www.coindesk.com/business/2025/09/09/ ...)[2] HSBC, BNP Paribas back Canton Foundation in institutional tokenization push - Cointelegraph (https://cointelegraph.com/news/hsbc-bnp-parib ...)[3] Digital Asset Holdings (https://vertexaisearch.cloud.google.com/groun ...)