HODL refers to holding cryptocurrencies long-term rather than selling them.
HPC involves high-performance computing tasks unrelated to cryptocurrency mining.
A hard fork creates a divergence in blockchain protocols, resulting in separate blockchains.
A hardware wallet is a physical device for securely storing cryptocurrency private keys.
A hash is the output of a cryptographic function, representing proof of mining work.
A hash exchange facilitates trading between miners and buyers of computational power.