Right after news broke that the Ethereum Classic (ETC) cryptocurrency had been the victim of a 51% attack, one twitter user by the name of Crypto Tesla noted that a cryptocurrency has to be open for such attacks if it were to remain decentralized. His tweet was in response to one by Coinbase announcing that they had detected a deep chain reorganization of the ETC blockchain that included a double spend. A screenshot of the tweet can be found below.
It is from this tweet, that Charlie Lee elaborated on what Crypto Tesla had first observed. Charlie Lee’s exact words and tweet can be found below.