tkcw (25)in #pump • 8 years agoBlow the whistle on pump - and - dump schemers and Get awardedcftc - The US Commodity Futures Trading Commission warned investors of pump-and_dump. The commission said whistle…tkcw (25)in #cryptocurrency • 8 years agoMore banks to ban use of credit card to buy cryptoCoinbase tweeted the following card issuers are blocking use of credit cards to buy cryptocurrencies with their credit…