A U.S. Immigration and Customs Enforcement agent mentions mixing services at exchanges and anonymity-enhancing currencies in Senate testimony.
The report by venture capital firm Atomico also found that more than a third of all ICOs were based in the EU.
But central banks will likely continue discussing government-backed digital currency, said John Williams of the Federal Reserve Bank of San Francisco.
European Central Bank board member Yves Mersch has said banks need to launch instant payments systems to counter the rise of cryptocurrencies.
A U.S. court has ordered bitcoin exchange Coinbase to disclose details of more than 14,000 customers to the Internal Revenue Service.
Dash traded over an impressive range Thursday, hitting new highs above $800 before dropping back to around $600.
‘Big Four’ firm PwC recently accepted bitcoin in exchange for advisory services, a news report revealed Thursday.
The cryptocurrency community still has plenty of questions about taxation and regulation, especially as the ICO space heats up.
Bitcoin prices are taking a hit at press time, and could suffer a deeper pullback over the weekend, the price charts indicate.
When phishing sites tried to con investors during its recent ICO, Blockstack used its tech expertise to turn the tables on the tricksters.