Supported by Senators Pat Toomey (R-Pa.), Mark Warner (D-Va.), Cynthia Lummis (R-Wyo.), Kyrsten Sinema (D-Ariz.) and Rob Portman (R-Ohio), the bill would exclude miners or other node operators and wallet manufacturers from the definition of a “broker” in a 2021 infrastructure law that imposed new tax reporting requirements on those facilitating crypto transactions.