Ethereum: Does proof-of-work contribute directly to prevent double-spending?
** Ethereum: Has the proof of work contributed directly to the prevention of double expenses? Double-S-expenses, also referred to as “re-inserting” or “double expenditure attacks”, are a kind of malicious attack that can affect the security and integrity of blockchain networks. In traditional proof-of-work systems (POW) such as Bitcoin, nodes in the network compete in […]