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How Does a “Hash Rate” Differ from “Network Difficulty”?

Hash rate is the total combined computational power being used by miners to secure a Proof-of-Work network, measured in hashes per second. Network difficulty is a measure of how hard it is to find a valid block hash, and it is a value that is adjusted by the protocol.

The difficulty adjusts to ensure the average time between blocks remains constant (e.g. 10 minutes for Bitcoin), regardless of fluctuations in the total hash rate.

High hash rate leads to a higher difficulty setting.

Why Is the 2^128 Security Level of SHA-256 Considered Adequate against Current Computing Power?
Does the Pool’s Hash Rate Influence the Difficulty of the Individual Work Assigned to Miners?
What Is “Hash Rate” and How Does It Affect a Miner’s Chance of a Reward?
What Is the Difference between a Risk-Free Rate and a Risk-Adjusted Rate?