Leaderboard
1287All-time rank
4
402bridge
Oct 27, 2025
$18K
Lost
$18K
Recovered
$0
Net loss
$18K
Unrecovered0% recovered
On October 27, 2025, 402bridge on Base was compromised just days after mainnet launch, affecting over 200 users and losing 17,693 USDC. Attackers accessed private keys stored on servers with excessive authorization permissions in the x402 mechanism.
- Target
- Bridge
- Classification
- Frontend & Infrastructure
- Technique
- Key Stored Publicly
- Attribution
- Unknown
- Chains
Base
Event timeline
- Oct 27, 2025Exploit executed — $18K drained via key stored publicly
- Attributed to Unknown
- Recovery status Unrecovered 0%