Glossary — Payments & Fintech

What is Payment Fraud?

1 min read Updated

Payment fraud encompasses unauthorized or deceptive transactions designed to steal funds — a major problem in traditional finance that blockchain's cryptographic authentication and finality model addresses differently.

WHY IT MATTERS

Traditional payment fraud costs over $30B annually. Card-not-present fraud, identity theft, and unauthorized transactions are rampant because traditional payment authentication is relatively weak.

Crypto's cryptographic authentication (private key signing) makes unauthorized transactions much harder — you can't initiate a transaction without the key. But crypto introduces new fraud vectors: phishing, social engineering, and smart contract exploits.

The trade-off: crypto eliminates many traditional fraud types but introduces new ones. The irreversibility that prevents chargebacks also means fraud victims have no recourse for on-chain transactions.

FREQUENTLY ASKED QUESTIONS

Is crypto more or less prone to fraud?
Different fraud profile. Less: no unauthorized charges, no card cloning, no identity theft for transactions. More: phishing, wallet drainers, and no recourse for stolen funds.
How does crypto prevent unauthorized transactions?
Cryptographic signing — every transaction requires the private key. Without it, transactions can't be created. This is fundamentally stronger than PINs, passwords, or card numbers.
What about DeFi exploits?
Smart contract exploits are a form of 'technical fraud' — exploiting code vulnerabilities to steal funds. These aren't traditional fraud (no identity theft) but result in similar financial loss.

FURTHER READING

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