Hardware Wallet
A hardware wallet is a physical device for securely storing cryptocurrency private keys.
Related terms
HODL
HODL refers to holding cryptocurrencies long-term rather than selling them.
HPC (High-Performance Computing)
HPC involves high-performance computing tasks unrelated to cryptocurrency mining.
Halving
Halving reduces mining rewards (by half approximately every four years for Bitcoin).
Hard Fork
A hard fork creates a divergence in blockchain protocols, resulting in separate blockchains.
Hash
A hash is the output of a cryptographic function, representing proof of mining work.
Hash Exchange
A hash exchange facilitates trading between miners and buyers of computational power.