The U.S. regulator said it did not send the messages or hold any funds for individual benefit.
The pair allegedly left victim's funds in an escrow service that was actually their money-laundering front.
A former winner of Deal or No Deal has lost nearly $40,000 after a bitcoin investment company turned out to be a Facebook scam.
A rise in cryptocurrency and coronavirus investment scams has prompted authorities to launch an awareness campaign.
The Venezuelan president and his administration are said to be using proceeds from the airline industry – and cryptocurrency – to avoid sanctions.
The U.S. Federal Trade Commission (FTC) is warning consumers warns about a new type of bitcoin scam that attempts to blackmail men.