Twitter founder Jack Dorsey's first ever tweet has been sold ... the first digital-only art auction was held by Christie's auction house and netted $69m for the artist Beeple.

"Bringing banking capability in-house enables us to operate more nimbly ... Square is headed by longtime cryptocurrency advocate Jack Dorsey, who is also chief executive of social media platform ...

The Bitcoin Academy will help those in financial hardship with free courses, devices and data plans for residents of Marcy House in Brooklyn, New York. Jack Dorsey and Jay-Z announced The Bitcoin ...