I have literally no idea what happened, who is behind that account that has the ETH till Genesis? Am I just super lucky to receive these ETH?
Searching for the one who controls that address is meaningless, he doesn't post that address on the Internet and I doubt he would disclose that information. You're just super lucky I guess.
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I would agree with that opinion, but he had these ETH till 1100 days back, and he started distributing yesterday? Also most of the other transactions, continued automatically to Binance or Bitfinex, most of them in the same time, in a matter of an hour. Something's happening here.
He probably holds it and waits for the right time to sell his ETH, or he just simply forgot that he has 1000 ETH on that address. Every scenario is possible and nobody knows the answer. OP is so lucky.