1

This is called the Nothing at Stake attack. You're correct that it's much easier to build a fork. It's a problem when someone owns more than 50% of all coins (not very likely). But another issue is that in Proof of Stake nodes have nothing to loose to compute on other forks. That means in theory a node that wants to maximise its profits would always compute ...


1

private in the context of solidity smart contracts doesn't mean the value is a secret. It just means the variable is incapsulated and another contract will not be able to reference it directly. However the value itself is always visible when the block is introspected, or the transaction that set the value is analyzed. It is also a best security practice to ...


Only top voted, non community-wiki answers of a minimum length are eligible