Markets, Bitcoin News, News The S1-COIN-25 physical bitcoin, part of Mike Caldwell’s 2011-2013 mint, had its tamper-evident hologram peeled and the 25 BTC swept on-chain on Wednesday. The S1-COIN-25 physical bitcoin, part of Mike Caldwell’s 2011-2013 mint, had its tamper-evident hologram peeled and the 25 BTC swept on-chain on Wednesday. CoinDesk: Bitcoin, Ethereum, Crypto News and Price Data Read More