On the 22nd of March, Offchain Labs, a blockchain research firm revealed that they found serious security vulnerabilities in the Optimism OP Stack’s fraud-proof system, which was deployed on a testnet. The vulnerabilities enabling a bad actor to rewrite the chain’s history were widely acknowledged by OP Labs on March 25. In this regard, essential The post Optimism Patches Testnet Security Flaws After Offchain Alert appeared first on CoinGape .
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