Web3 glossary
Hash Function

Hash functions, also known as hashing algorithms, are used in cryptography which turns arbitrary input into a table or data structure made up of fixed-size elements. An example is SHA-256.

Hash Rate

The hashrate is the rate at which a computer is attempting to solve complex cryptographic problems on a Proof of Work (Pow) network. In other words, it represents the amount of computing power being used by the network.

HODL - Hold On for Dear Life

Who knew a simple typo would become one of the most used terms in the crypto space? This phrase actually means “hold” but is also an acronym for “Hold On for Dear Life”. It refers to holding or maintaining your position, especially during times of volatile price action.


Hopium is a mixture of the words “hope” and “opium”. It is used in the crypto community to refer to blind faith and hoping something will happen such as prices rising or falling without any reasonable justification.

Hot Wallet

A hot wallet is connected to the internet and stores your private keys online. This makes your assets stored within the wallet susceptible to hacking. Coinbase Wallet, MetaMask, Trustwallet are just a few examples to name a few.