Attacker mints $1 billion Polkadot tokens on Ethereum, ends up stealing just $250,000

Attacker mints $1 billion Polkadot tokens on Ethereum, ends up stealing just $250,000

Search/NewsVideoPricesResearchConsensus 2026Data & IndicesSponsoredSearch/enTechShareShare this articleCopy linkX iconX (Twitter)LinkedInFacebookEmailAttacker mints $1 billion Polkadot tokens on Ethereum, ends up stealing just $250,000A forged cross-chain message bypassed state proof validation on the bridge contract, granting admin control over the bridged DOT token and allowing the attacker to mint and dump the entire supply for $237,000.By Shaurya Malwa|Edited by Omkar GodboleUpdated Apr 13, 2026, 7:33 a.m. Published Apr 13, 2026, 7:16 a.m. Make preferred on Attacker mints $1 billion DOT to make just $250,000. (Clint Patterson/Unsplash)What to know: An attacker exploited a vulnerability in Hyperbridge's Ethereum gateway contract to mint 1 billion bridged Polkadot tokens and dump them for about $237,000 in ether.The exploit, which did not affect Polkadot's core network or native DOT, a

Source: https://www.coindesk.com/tech/2026/04/13/attacker-mints-usd1-billion-polkadot-tokens-on-ethereum-ends-up-stealing-just-usd250-000