>"The popular mobile payment app developed by Jack Dorsey's Square recently announced they now allow users to send Bitcoin for free. These transactions take place within Cash App's centralized database instead of the actual blockchain. Cash App now is leading an important Layer 2 scaling solution for Bitcoin. $1M in bitcoin for giveaway is organized to celebrate the news. In 2020 they sold $4.5B in Bitcoin and have added $17M in BTC in February."