2022年区块链安全领域8成以上损失集中在DeFi和跨链桥
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博链财经BroadChain获悉,12月27日,欧科云链研究院发布《2022年全球 区块链 生态安全态势报告》。报告指出,2022年前11个月,OKLink共监测到区块链生态相关安全事件275起,较2021年同期增加了30%,但总损失约27.69亿美元,折合人民币近200亿,与2021年同期相比下降约50%。
90%左右的区块链安全事件发生在 ETH (47%)和BSC(41%),95%损失集中在ETH(65%)、SOL(20%)和BSC(10%)3条链上。
此外,超过80%的安全事件损失集中在 DeFi 和跨链桥领域。DeFi安全事件数量和损失金额占比都超过5成。
2022年损失最大的10起安全事件中有5起与跨链桥有关,钓鱼攻击(27%)是2022年区块链生态中最常见的攻击手法,而因私钥泄露和私钥丢失导致的损失是最大的。
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