Someone sent 2.3BTC to the last possible address in 2017, worth ~$5k at the time. It was hoovered up to another address in a few hours. Hobbies of crypto milli

Someone sent 2.3BTC to the last possible address in 2017, worth ~$5k at the time. It was hoovered up to another address in a few hours. Hobbies of crypto millionaires?