ソース:[1] Bullish Makes $4 Million Investment into USD.AI, Its First Since IPO (https://www.coindesk.com/press-release/2025/0 ...)[2] Decoding USD.AI: A New Financial Primitive for AI Infrastructure Scaling - AInvest (https://vertexaisearch.cloud.google.com/groun ...)[3] Ether.Fi | Bullish Capital & CoinFund led $26M funding round (https://vertexaisearch.cloud.google.com/groun ...)