Avici Hack

TOTAL LOST $501K
Low Withdrawal Logic Flaw solana
Chain solana Primary network
Recovered - No recovery reported
Loss Rank #1228 All-time
Protocol Type Crypto Card Issuer Target category

What happened

Avici is a crypto-backed card issuer that lets users deposit crypto, open secured Visa cards, and spend through self-custodial credit lines with Apple Pay and Google Pay support.

Case & protocol details

Classification Protocol Logic
Protocol Type Crypto Card Issuer
Smart Contract Language Rust
Official Website avici.money/
Protocol Twitter/X @AviciMoney

Audit assessment

Review priorities based on the documented failure pattern in Avici (August 2026).

Critical checks

  • Verify every sensitive logic path is guarded by appropriate access controls and input validation

Practice this exploit pattern safely

Work through hands-on labs covering real exploit mechanics, review techniques, and defensive patterns.