DeFi风险缓解指南

July 8, 2024

2 min read

在“DeFi 风险缓解指南”系列中，我们探讨了 DeFi 领域的各种安全问题。文章涵盖了用户遇到的风险类型、评估这些风险的方法、用户的安全建议以及项目团队的安全实践。本系列文章旨在为用户和开发者提供全面的理解，以提高 DeFi 的安全性和效率。

本系列文章摘自 OKX Web3 和 BlockSec 联合策划的《最新逃生策略》（https://www.okx.com/zh-hans/learn/security-special-issue-5），旨在解决 DeFi 用户和 DeFi 项目团队面临的安全问题。

深度解析：全面概述

DeFi 风险缓解指南 01：识别 DeFi 用户面临的风险类型

DeFi 用户面临各种风险，例如智能合约漏洞、网络钓鱼攻击、卷款跑路和市场波动。了解这些风险对于保护资产至关重要。

DeFi 风险缓解指南 02：DeFi 用户如何评估风险并避免损失

在本文中，用户将学习如何阅读和理解审计报告、研究项目团队和历史、分析流动性和代币经济学，并及时了解最新的安全实践，从而有效评估 DeFi 项目中的风险。

DeFi 风险缓解指南 03：DeFi 用户的安全提示

在本文中，我们介绍个人安全措施，例如使用硬件钱包、启用双因素身份验证、定期更新密码以及避免可疑链接或下载，这些措施可以帮助用户保护他们在 DeFi 领域中的资产。

DeFi 风险缓解指南 04：DeFi 项目团队的安全实践

DeFi 项目团队应进行彻底的审计、实施多重签名钱包、建立漏洞赏金计划，并与社区进行透明的沟通，以确保为用户提供一个安全可信的环境。

The Decentralization Dilemma: Cascading Risk and Emergency Power in the KelpDAO Crisis

Apr 22 2026Security Insights

The Decentralization Dilemma: Cascading Risk and Emergency Power in the KelpDAO Crisis

This BlockSec deep-dive analyzes the KelpDAO $290M rsETH cross-chain bridge exploit (April 18, 2026), attributed to the Lazarus Group, tracing a causal chain across three layers: how a single-point DVN dependency enabled the attack, how DeFi composability cascaded the damage through Aave V3 lending markets to freeze WETH liquidity exceeding $6.7B across Ethereum, Arbitrum, Base, Mantle, and Linea, and how the crisis forced decentralized governance to exercise centralized emergency powers. The article examines three parameters that shaped the cascade's severity (LTV, pool depth, and cross-chain deployment count) and provides an exclusive technical breakdown of Arbitrum Security Council's forced state transition, an atomic contract upgrade that moved 30,766 ETH without the holder's signature.

Weekly Web3 Security Incident Roundup | Apr 13 – Apr 19, 2026

Apr 22 2026Security Insights

Weekly Web3 Security Incident Roundup | Apr 13 – Apr 19, 2026

This BlockSec weekly security report covers four attack incidents detected between April 13 and April 19, 2026, across multiple chains such as Ethereum, Unichain, Arbitrum, and NEAR, with total estimated losses of approximately $310M. The highlighted incident is the $290M KelpDAO rsETH bridge exploit, where an attacker poisoned the RPC infrastructure of the sole LayerZero DVN to fabricate a cross-chain message, triggering a cascading WETH freeze across five chains and an Arbitrum Security Council forced state transition that raises questions about the actual trust boundaries of decentralized systems. Other incidents include a $242K MMR proof forgery on Hyperbridge, a $1.5M signed integer abuse on Dango, and an $18.4M circular swap path exploit on Rhea Finance's Burrowland protocol.

Weekly Web3 Security Incident Roundup | Apr 6 – Apr 12, 2026

Apr 15 2026Security Insights

Weekly Web3 Security Incident Roundup | Apr 6 – Apr 12, 2026

This BlockSec weekly security report covers four DeFi attack incidents detected between April 6 and April 12, 2026, across Linea, BNB Chain, Arbitrum, Optimism, Avalanche, and Base, with total estimated losses of approximately $928.6K. Notable incidents include a $517K approval-related exploit where a user mistakenly approved a permissionless SquidMulticall contract enabling arbitrary external calls, a $193K business logic flaw in the HB token's reward-settlement logic that allowed direct AMM reserve manipulation, a $165.6K exploit in Denaria's perpetual DEX caused by a rounding asymmetry compounded with an unsafe cast, and a $53K access control issue in XBITVault caused by an initialization-dependent check that failed open. The report provides detailed vulnerability analysis and attack transaction breakdowns for each incident.