ソース:[1] Quatrefoil Data Debuts to Build Benchmarks for Institutional Crypto Products (https://www.coindesk.com/business/2025/09/29/ ...)[2] Quatrefoil Data: Neue Benchmarks für institutionelle Krypto-Produkte - it boltwise (https://vertexaisearch.cloud.google.com/groun ...)[3] CoinDesk Indices and CoinFund Announce CESR, the Benchmark Rate for Staking on Ethereum - Business Wire (https://vertexaisearch.cloud.google.com/groun ...)