What Is the Difference between Difficulty and the Target Hash?
The difficulty is a human-readable, relative number that expresses how much harder it is to mine a block compared to the easiest possible block. The target hash is the actual 256-bit number that a valid block header hash must be less than or equal to.
The difficulty is derived from the target hash. When the network adjusts difficulty, it is actually adjusting the target hash value, which in turn changes the difficulty number.
Glossar
Target
Precision ⎊ A target, within cryptocurrency derivatives and financial markets, denotes a predetermined price level or state serving as a focal point for trading strategies and risk management protocols.
Target Hash
Hash ⎊ The cryptographic hash, within the context of cryptocurrency derivatives and options, represents a unique, fixed-size alphanumeric string generated from an input dataset using a hashing algorithm.
Block Header Hash
Hash ⎊ The cryptographic hash of a block header represents a unique fingerprint of the block's contents, derived through a one-way function.