A new report from blockchain security platform Immunefi suggests that nearly half of all crypto lost from Web3 exploits is due to Web2 security issues such as leaked private keys. The report, released on November 15, looked back at the history of crypto exploits in 2022, categorizing them into different types of vulnerabilities. It concluded that a full 46.48% of the crypto lost from exploits in 2022 was not from smart contract flaws but was rather from “infrastructure weaknesses” or issues with the developing firm’s computer systems.

Categories of Web3 vulnerabilities. Source: Immunefi.

When considering the number of incidents instead of the value of crypto lost, Web2…

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