The exchange violated securities law, according to the SEC.
The soon-to-be public company is still dealing with Poloniex’s legal woes despite cutting ties in 2019, with securities and sanctions fines to be paid.
The Ontario Securities Commission says the Seychelle Islands-based trading platform did not register as an exchange.
EXMO has confirmed an estimated $4 million of cryptocurrency was stolen through the exchange Poloniex during a hack on Dec. 21.
Bittrex and Poloniex were added to the class-action lawsuit as defendants in June.
An amended lawsuit alleging Tether and Bitfinex manipulated the bitcoin market is now claiming Poloniex and Bittrex were also involved.
The new platform uses Tron's TRX token for purchases and its first project is within the Tron fold.
The cryptocurrency exchange – recently acquired by an investment group including Tron – now says its systems are back to normal.
The new KYC requirements come a week after Poloniex completed its U.S. exit.
Less than two years after paying $400 million to acquire Poloniex, Circle is spinning out the crypto exchange to an Asian investor group.
Poloniex allowed margin trading on the coin until a flash crash wiped out 1,800 bitcoins worth $13.5 million at the time
Circle is moving the majority of its Poloniex exchange operations offshore, citing a "lack of regulatory frameworks" in the U.S.
Stablecoin issuer Tether accidentally created $5 billion-worth of its USDT stablecoin at the weekend, before promptly destroying them again.
The outage hit multiple major exchanges and information sites.