Crypto industry insiders got their first look at the revised market structure bill in the Senate, and the opening impression was that the language on allowable stablecoin yield was overly narrow and unclear, according to a person familiar with the current draft.

The new language, which was announced Friday by Senators Angela Alsobrooks and Thom Tillis, would ban yield payments for simply holding a stablecoin. It would also restrict any approach that makes the program in any way equivalent to a bank deposit, and it applies further limits to other potentially allowed activities, the person said, adding that the mechanics of determining activities-based stablecoin rewards is left uncertain.

The crypto industry got this first look at the…