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What Is the Significance of “Hash Rate” in Cryptocurrency Mining?

Hash rate is the measure of the total computational power being used to mine and process transactions on a Proof-of-Work blockchain network. It represents the number of guesses a miner or mining pool can make per second to find the valid block hash.

A higher hash rate increases a miner's probability of finding the next block and earning the reward. It is a key indicator of the network's security, making a 51% attack more difficult.

What Happens to the Block Reward If a Miner Includes an Invalid Transaction?
How Does a Miner’s Reward Relate to Successfully Finding a Valid SHA-256 Hash?
What Is “Hash Rate” and How Does It Affect a Miner’s Chance of a Reward?
What Is a “Hash Rate” and How Does It Relate to the Bitcoin Network’s Security?