Far-right Republicans in the House, including many members of the Freedom Caucus, revealed the price of their support for a controversial surveillance law this week: a ban on the unrelated and hypothetical possibility that the U.S. government might one day issue digital currency.

Twenty Republicans who opposed a procedural vote earlier this month flipped their position on Wednesday to allow a vote on a three-year extension of the law that allows government agents to search Americans’ communications without a warrant.

Not all the Republicans voted for the final version of the bill, which passed 235–191, but they were crucial in giving Johnson a hand on an initial procedural vote.

The final bill drew the support of dozens…