MEXC Exchange: Enjoy the most trending tokens, everyday airdrops, lowest trading fees globally, and comprehensive liquidity! Sign up now and claim Welcome Gifts up to 10,000 USDT!   •   Sign Up • Marina Protocol Today Answer for December 14, 2025 • Spur Protocol Daily Quiz Answers Today for December 14, 2025 • Xenea Wallet Daily Quiz Answer Today for December 14, 2025 • Sign Up
MEXC Exchange: Enjoy the most trending tokens, everyday airdrops, lowest trading fees globally, and comprehensive liquidity! Sign up now and claim Welcome Gifts up to 10,000 USDT!   •   Sign Up • Marina Protocol Today Answer for December 14, 2025 • Spur Protocol Daily Quiz Answers Today for December 14, 2025 • Xenea Wallet Daily Quiz Answer Today for December 14, 2025 • Sign Up

Double-Spending

A potential issue in digital currencies where the same cryptocurrency tokens are spent more than once in different transactions, undermining the integrity and trust of the currency. Blockchain networks use consensus mechanisms to prevent double-spending and ensure that transactions are irreversible.