SEC fines crypto exchange Poloniex $10M for operating an unregistered exchange; Circle bought Poloniex for $400M in 2018 before spinning it out in 2019 (Tim Copeland/The Block)

Tim Copeland / The Block:
SEC fines crypto exchange Poloniex $10M for operating an unregistered exchange; Circle bought Poloniex for $400M in 2018 before spinning it out in 2019  —  The U.S. Securities and Exchange Commission (SEC) has fined crypto exchange Poloniex $10 million for operating an “unregistered online digital asset exchange.”