21 Files for New Bitcoin Mining Patent
21 Inc has applied for a patent for specialized bitcoin mining circuitry, public records show.
Mining innovator Balaji Srinivasan pivoted away from that business in 2017, but now believes the time is right for a home miner.
21 Inc, once a maker of bitcoin mining hardware, is rebranding to emphasize its recent focus on using digital currency to power a social network.
"Nakamoto is bitcoin country. HODL or GTFO." Sources tell CoinDesk this is the new project from former Coinbase CTO Balaji Srinivasan.
Bitcoin startup 21 Inc is opening its '21 Lists' paid email product up to the wider public today.
21 Inc has released a platform that rewards users for receiving emails. Can it grab a slice of InMail's lucrative pie?