Jared Rice, Sr., pleaded guilty to duping investors out of more than $4 million.
Scams involving celebrity endorsements of digital assets are becoming more common.
Retired Brazilian midfielder Anderson is one of eight people alleged to have been involved in a R$35 million ($6.5 million) money laundering operation.
One individual must pay more than $3 million and hand over a wallet containing 190 bitcoins.
This is the SEC's first securities case involving decentralized finance technology.
Spagni has hired Brian Klein, a leading crypto trial attorney, to handle his case.
Roger Nils-Jonas Karlsson will also have to forfeit a Thai resort and over $16 million in restitution to his victims.
Fourteen were referred for prosecution, 15 were fined and four remain under investigation.
The haul was worth around $2.9 million when forfeited in 2019.
The dark web vendors like the ubiquity and anonymity of the top cryptocurrencies, a new report said.
A new podcast series gets inside the head of Gerald Cotten, the disgraced former head of Quadriga. It's not a pretty place.
The bank has seen a "high level" of crypto investment scams, a company spokesman said.
The investment banking giant’s Mathew McDermott said the company would continue to expand its offerings in the cryptocurrency space to meet surging demand.
The U.S. regulator said it did not send the messages or hold any funds for individual benefit.