Blockchain payments settle value on a shared ledger that any party can verify, without the chain of intermediaries that makes traditional cross-border payments slow and expensive.

This guide explains what crypto security involves, how keys and wallets work, the controls businesses use to protect on-chain operations, and the threats that a security program should account for.

The crypto ecosystem is the financial infrastructure behind digital assets. It connects blockchains, wallets, exchanges, stablecoins, smart contracts, and service providers into one system for moving and programming value online. 

Decentralised finance (DeFi) is a system of financial services that runs on public blockchains instead of through banks and regulated intermediaries.