If it is really a North Korean hacker, then North Korea should currently be the largest ETH holder. If North Korea decides to pledge all of its ETH to run nodes, North Korea will become the largest node owner of Ethereum, and as a POS chain, North Korea will become the largest shareholder of Ethereum, with an annual income of over 50 million US dollars. This is truly Vitalik's wish that Ethereum will make communism great again