Glossary

Plain-language definitions of SEO terms used across the blog.

Cold storage

Holding crypto private keys on a device that has never touched the internet — the only meaningful protection against remote theft.

Consensus mechanism

The rule a distributed blockchain uses to agree on which transactions are valid and in what order, without trusting any single party.

Gas fee

The price in ETH a user pays to have a transaction included in an Ethereum block — denominated per unit of computation, not per transaction.

UTXO

Unspent Transaction Output — the unit of value Bitcoin tracks. A wallet 'balance' is just the sum of UTXOs it can spend.