Digital currency bitcoin fell Tuesday as the 20 largest digital currencies by market capitalization all declined, according to CoinMarketCap.
Bitcoin traded 12 percent lower near $9,817 as of 1:19 p.m. ET, according to CoinDesk's bitcoin price index, which tracks prices from digital currency exchanges Bitstamp, Coinbase, itBit and Bitfinex.
Bitfinex was subpoenaed by the U.S. Commodity Futures Trading Commission on Dec. 6, Bloomberg reported, citing a source, midday Tuesday. Tether, which claims to link its coins to major government-backed currencies, was also subpoenaed, the report said. The companies and the commission did not immediately respond to a CNBC request for comment.
Total market cap of cryptocurrencies, excluding bitcoin, over the last seven days
Ethereum, the second-largest digital currency by market cap, traded about 9 percent lower, near $1,073, according to CoinMarketCap. The third-largest cryptocurrency, ripple, fell about nearly 10 percent to $1.19, the website showed.