Blockchain analytics company Coinfirm said authorities are "ignoring" criminals' stockpiles of cryptocurrencies that forked from bitcoin.
Bitcoin has underperformed its three major fork currencies by as much as triple-digit percentage points so far this year.
Developer Mark Friedenbach has unveiled a discovery that could make certain contentious changes to bitcoin a bit easier.
Coinbase announced Thursday it would enable customers to withdraw bitcoin forks, though it is not adding any specific assets yet.