https://www.ndtv.com/business/bitcoin-faces-biggest-test-as-el-salvador-makes-it-official-currency-buying-400-bitcoins-ahead-of-the-roll-out-2532242#:~:text=El%20Salvador%20bought%20400%20bitcoins,a%20lot%20more%22%20of%20them&text=Bitcoin%20is%20undergoing%20the%20biggest,it%20as%20legal%20tender%20Tuesday.