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Glossary (5)

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Introduction
Terminology

Crypto Glossary A–Z

Explore key crypto, blockchain, and trading terms through concise definitions, organized alphabetically for quick reference. [A](#a) · [B](#b) · [C](#
Oct 28, 2026
consensus-mechanism
Blockchain concepts

What is a consensus mechanism?

A consensus mechanism is the set of rules a blockchain network uses to decide which block to accept next and which ledger history to follow. Nodes rec
Oct 27, 2026
what-is-blockchain
Beginner's lesson

What is a blockchain?

A blockchain is a distributed digital ledger whose validated records are grouped into blocks and cryptographically linked to prior history. Network pa
Oct 27, 2026
what-is-block
Blockchain concepts

What is a block?

A block is a data package that a blockchain uses to group new records. It usually contains transactions or other updates, along with information that
Oct 27, 2026
Technical analysis generic thumb
Introduction
Terminology

OKX Glossary

Read on for a comprehensive list of common cryptocurrency terms you'll encounter. Common crypto terms Blockchain : A distributed ledger technology tha
Oct 9, 2025
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