Data Breach

Security incident exposing confidential information.

Educational content only. This page does not provide investment, legal, or regulatory advice.

Why it matters

Data Breach matters because it affects financial interpretation, product decisions, and industry communication.

Data Breach is commonly explained through its core definition and the practical example used in the glossary.

A common mistake is to use Data Breach without understanding its operational and regulatory context.

Data Breach may vary across payment rails, regulations, and market practices.

Simulation of human intelligence by machines.

Big Data

Large, complex datasets.

Biometric Authentication

Verification using unique biological characteristics.

Cold Wallet

Offline storage for cryptocurrency.

Consensus Algorithm

Mechanism to agree on data.

Consensus Mechanism

Method used to achieve agreement on the blockchain.

EMVCo

EMVCo: EMV 3-D Secure

Primary source for 3DS protocol terminology.

European Banking Authority

European Banking Authority: Strong Customer Authentication

Primary source for SCA and PSD2 compliance context.

Coinbase

Coinbase Learn: Crypto glossary

Reference source for crypto infrastructure terminology.

Author

Founder and multilingual fintech glossary editor

Reviewer

Editorial and source review layer

Reviewed

3/15/2026