Hardware Wallet

A physical device that stores private keys.

Hash

Output emitted from an algorithm for maintaining consensus on a blockchain.

Hard Cap

The maximum amount of money a cryptocurrency’s founders will accept while raising money in exchange for early coins on their platform.

Hash Rate

The number of hashes a miner performs over a given period of time.

HODL

First made popular in a post by a drunken Bitcoiner who advocated buying but not selling Bitcoin, it is now a meme to intentionally misspell “hold.” Hodlers see huge potential in the future of a cryptocurrency and don’t plan on selling anytime soon.

Hot Wallet

An online wallet for storying cryptocurrencies. Considered less secure than cold wallets.

Haskell

A programming language used to develop several cryptocurrencies (including Cardano and Nanocoin).

Hybrid PoS/PoW

A consensus mechanism that employs both Proof of Stake and Proof of Work algorithms.

Halving

The process of intermittently decreasing the block reward given to cryptocurrency miners by 50%.

text