ソース:[1] VanEck Crypto Monthly Recap for August 2025: Ethereum Volatility Surges, CEX Tokens Lead Gains (https://www.vaneck.com/us/en/blogs/digital-as ...)[2] VanEck Crypto Monthly Recap for August 2025 (https://vertexaisearch.cloud.google.com/groun ...)[3] Bitcoin faces “critical” September: Volatility risks and investor shifts towards Ethereum (https://vertexaisearch.cloud.google.com/groun ...)