The U.S. Commodity Futures Trading Commission (CFTC) is asking for feedback about on cryptocurrencies beyond Bitcoin, the U.S. derivatives regulator announced Tuesday.

Specifically, the CFTC is looking to enhance its understanding of the technology, mechanics, and markets for Ether and its use on the Ethereum Network.

The U.S. regulator wants to understand the similarities and differences between Ether and Bitcoin, along with the opportunities, challenges, and risks that are specific to Ether.

“The information provided by stakeholders will help us refine our understanding of this area of innovation and better inform the work of the commission, including the evaluation of potential derivatives contracts,” says the CFTC in a news release. “More broadly, the input from this request will further aid the commission in identifying fintech trends and related opportunities, challenges, and risks.”

Comments on the paper, which will be published in the Federal Register, are due within 60 days. The feedback will also benefit the CFTC’s in-house fintech unit, LabCFTC, and inform the commission’s understanding of these emerging technologies.