
US Senator Cynthia Lummis said ethics rules and other parts of the CLARITY Act need more discussion before the Senate votes on the bill.
Lawmakers released a revised draft after negotiating changes aimed at gaining broader support in the Senate.
"I want to thank my Democratic colleagues for their important contributions to this draft, and express my commitment to reaching a deal in the coming days that will allow this legislation to become law," said US Senator Cynthia Lummis.
The latest draft would stop some federal officials from issuing or promoting digital assets while serving in office, while lawmakers continue discussing other provisions.
Lummis said negotiations will continue before the Senate considers the bill, and there was no share price reaction because the announcement did not involve a listed company.
The CLARITY Act would set rules for digital assets and define how US regulators oversee the cryptocurrency market if Congress passes the bill.
Lummis has supported cryptocurrency legislation for several years and continues to back efforts to create clearer rules for the industry.