According to ChainCatcher, user bc1p**dnsr used BTCBot to engrave 401 runes SATOSHI•NAKAMOTO, costing 0.51 BTC ($33,150). The current value has risen to 3.99 BTC ($259,350). The investment was about US$30,000, and the output exceeded US$260,000. The current profit is US$220,000, with a return of up to 779%.