The fate of long-awaited cryptocurrency legislation in the U.S. Congress was cast into doubt Tuesday, as a procedural vote to consider the measures was shot down by lawmakers from both parties, and shares of some companies in the sector fell.

Crypto week kicks off on Capitol Hill, with lawmakers set to debate a handful of bills that sources say could have a big impact on the market.

The price of bitcoin BTCUSD jumped as high as 3% on Monday to $123,165.67 — a new record for the cryptocurrency. Bitcoin subsequently cooled slightly but was still trading at north of $120,000, at last check.