According to CoinMeta, a Bitcoin “whale” investor turned an initial investment of about $70 into $1.7 million over 15 years. This investor purchased Bitcoin when its price was only around $3 to $4 per coin, held it for 15.4 years, and then sold 20.43 Bitcoins, which is worth approximately $1.7 million at current prices. The expected profit is around $1.72 million, representing a gain of over 2,000,000%. This wallet has a history that dates back 15 years and has previously interacted with Mt, Gox, and Silk Road.