On January 3, 2020, a small group of crypto enthusiasts celebrated the second annual Proof-of-Keys day with hopes to get people to withdraw funds from centralized digital currency exchanges. However, exchanges holding massive amounts of BTC only saw their reserves grow larger and data shows that Coinbase now holds 1 million BTC ($8.4 billion). Crypto […]The post Data Shows $25 Billion Worth of Bitcoin and Ether Held by Seven Crypto Exchanges appeared first on Bitcoin News.