A technical exploit of blockchain token bridge Hyperbridge led to the artificial creation of 1 billion Polkadot (DOT) tokens valued above $1.1 billion—but it only saw around $237,000 in losses due to limited liquidity, the firm reported on Monday. The protocol, which allows users to transfer funds to and from distinct blockchains—like Ethereum to Polkdaot—said the exploit was as a result of a vulnerability in its proof verification logic. The malicious actor has not yet been identified. “This flaw allowed invalid proofs to be incorrectly accepted as valid,” Hyperbridge posted on X. “As a result, a malicious message ... (full story)