- Scam type: Hack
- Chain: EVM (Ethereum, BNB Chain, Base and other EVM chains)
- Reported: 2026-10-15
- Last updated: 2026-10-16
Nimiq incident on 2026-09-16 (Signature Verification Flaw). Nimiq's HTLC contracts on Polygon exploited via an OpenGSN meta-transaction authentication flaw; loss about $50,400. Source: Blackpaper BP-1277 (https://blackpaper.wiki/incident/BP-1277/), in-house verified. This report lists only the addresses Blackpaper places under its Attacker addresses section; no victim wallets are included: - 0x2258491525c21f334c5a2dc22ce55e55023fc45d (Polygon · Sender of the exploit transaction) Confidence: Medium — single incident database (Blackpaper, on-chain verified by them); Block6iQ did not…
Other addresses in this report: 0x2258491525c21f334c5a2dc22ce55e55023fc45d