In November of last year, a person known by the pseudonym “DevOps199” stumbled across a critical vulnerability in the code for a subset of Ethereum wallets. There are hundreds of thousands of similar smart contracts on Ethereum that control wallets, tokens and applications, or hold funds. Now, researchers say they’ve devised a new approach for finding vulnerabilities in smart contracts that would have exposed the flaw DevOps199 exploited before it was too late.
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