Here you are asking the most important question. Exchanges hold the most ETH. They are a central collusion point which could cause undue influence on the netwo

Here you are asking the most important question. Exchanges hold the most ETH. They are a central collusion point which could cause undue influence on the network. At least it seems they do not own a lot of the existing Eth. https://etherscan.io/accounts https://etherscan.io/accounts