Frank Carone, a close friend and longtime political confidant to Eric Adams, is among the partners behind the launch of the ex-New York City mayor’s cryptocurrency token, according to sources familiar with the matter. The revelation of Carone’s involvement in the so-called “NYC Token” venture comes after the digital asset this week became a lightning rod for controversy. The token’s value plunged when an account pulled millions of dollars in liquidity out of it within hours of the launch. The liquidity withdrawal triggered accusations that the ex-mayor’s coin had been involved in a “rug pull,” a cryptocurrency scam under which...