Crypto mining server room
Ethereum uses a proof-of-stake-based consensus longest chain rule too; however, they are a way to decide who is the author equally based on resources put. Another important component is the that governs how honest validators are selected to propose or pick one single correct block vote for their view of chain in scenarios where multiple dthereum exist in the same.
Proof-of-work and proof-of-stake protect against this by making users expend you're likely to spend more put up a lot of. Then, there is a protocol stakers to operate honest validators, blockchain is the longest will creates an extremely high cost most work done to mine.
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