Regulator to pay between $1,000 and $500,000 for enforcement tips
Trio charged over alleged crypto fraud scheme
The four face SEC and DoJ charges for allegedly opening hundreds of sham accounts
Scheme involved selling overpriced silver coins to older investors, retirees
Debit machine scheme involved unregistered securities, regulator alleges
Investors were promised profits from crypto trading and mining
"Cryptoqueen" Ruja Ignatova, the alleged co-conspirator, remains at large
Regulators allege the scheme took over US$300 million from investors
U.S. court orders US$3.4 billion in penalties and restitution in global forex fraud
NASAA survey on investor threats finds digital asset schemes top the list