OKLink's 2023 Security Incident Report shows that there were more than 520 publicly reported security incidents in the blockchain ecosystem in 2023, resulting in losses of over 1.7 billion USD, a decrease of about 54% from 2022's 3.728 billion USD. This decrease is due to the improvement of the global regulatory system and breakthroughs in on-chain security technology. Of these incidents, 485 were related to DApps, DeFi, NFTs, and other security incidents, while 8 were related to exchanges, 10 were related to public chains, 9 were related to wallets, and 14 were related to other types of incidents.Some of the larger security incidents resulting in losses included: Euler Finance, an Ethereum lending protocol, was hacked in March, resulting in losses of approximately 197 million USD; Atomic Wallet was hacked in June, resulting in losses of over 100 million USD; Mixin Network was attacked in September, resulting in losses of 200 million USD; and Poloniex, a trading platform, had approximately 125 million USD stolen due to private key leaks in November.In addition, social media platforms such as Twitter and Discord became hotspots for scams and phishing incidents, with a total of 519 such incidents occurring in 2023. For example, in September, Ethereum founder Vitalik's Twitter account was hacked, resulting in the theft of over 690,000 USD in assets.