Massive Exploit on Hyperbridge: Attacker Mints 1 Billion Bridged Polkadot Tokens, Cashing Out $237K

CoinTelegraph · 2026-04-13
Massive Exploit on Hyperbridge: Attacker Mints 1 Billion Bridged Polkadot Tokens, Cashing Out $237K

A significant security breach has been reported on the Hyperbridge platform, allowing a malicious actor to mint an astounding 1 billion bridged Polkadot tokens on Ethereum. This exploit resulted in the attacker siphoning off approximately $237,000. The incident has reignited discussions around the security vulnerabilities of cross-chain bridges in the cryptocurrency space, highlighting the need for enhanced protocols and better auditing practices. As the crypto community grapples with the implications of this event, exchanges and platforms may face increased pressure to bolster their security measures to prevent future attacks.