https://blog.coinbase.com/how-coinbase-views-proof-of-work-s...
Also, Ethereum is transitioning to proof of stake which will make attacks much more expensive because an attacker must acquire large amounts of ETH for each attack.
https://blog.coinbase.com/how-coinbase-views-proof-of-work-s...
Also, Ethereum is transitioning to proof of stake which will make attacks much more expensive because an attacker must acquire large amounts of ETH for each attack.