The CFTC advisory committee has advanced a digital assets taxonomy for agency review. CFTC Chairman Behnam testified about working with SEC's Gary Gensler on $ETH classification. There are concerns about a potential regulatory clash between CFTC and SEC over Ethereum security ruling. SEC has been meeting with Coinbase and Grayscale representatives regarding Grayscale Ethereum Trust and ETH ETPs, with discussions on spot ether ETFs.