Blockchain Security Library

A library of blockchain security resources for various categories in blockchain.

Contributing

Want to add something blockchain security related? Create a PR making sure that:

1. It is security related.
2. Link is in the correct section or can be made into a new section.
3. It stays in alphabetical order.

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Table of Contents

• Blockchain Security Library
• Contributing
  • Access Control
  • CDP, Lending and Borrowing
  • CTFs and Puzzles
  • DeFi
  • DOS
  • ERC-1155
  • ERC-20
  • ERC-4337
  • ERC-4626
  • ERC-721
  • ERC-777
  • EVM Internals an Low level
  • Formal Verification & Symbolic Execution
  • Fuzzing
  • Gas
  • General
  • Governance
  • L2 and Bridges
  • LSD
  • MEV
  • Oracle and Flashloans
  • Over/Underflow
  • Reentrancy
  • Reversing
  • RoadMaps
  • Rounding and Math
  • Security Checklists
  • Security Courses
  • Security Monitoring & Protection
  • Signature Vulnerabilities
  • Tools
  • Upgradability
  • Validation and Logic errors
  • ZK

Access Control

• Access Control Vulnerability in DeFi
• Admin Brick & Forced Revert
• Attack Vectors in Solidity #1: Inappropriate Access Control
• CoW Swap Solver Exploit— Post mortem
• Cryptoninja World NFT hack Analysis — Improper Access control
• Degen Millionaires Club hack
• Dungeon Swap and Launch Zone Exploit
• Enzyme Vulnerability
• Land NFT Hack
• MetaPoint Hack Analysis
• SAFEMOON - REKT
• SafeMoon Exploit Explained
• The Role of Access Control in Solidity Smart Contracts
• Thunder Lands
• Uncovering a High Severity Access Control Vulnerability
• Understanding Local Traders Exploit
• Unlock Protocol

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CDP, Lending and Borrowing

• Aave Fork Checklist
• Borrowing on Ethereum: Comparing Architecture Evolution of MakerDAO, Yield, Aave, Compound, & Euler
• CDP Checklist
• Compound v2 DeFi Integration: Specifications
• Compound V2 in Depth
• compound-v3-book
• DeFi Lending Concepts Part 1: Lending and Borrowing
• Discussion on lending/borrowing bugs
• How (Not) to Create a DeFi CDP or Lending Protocol
• Lending/Borrowing DeFi Attacks
• Lending/Borrowing DeFi Attacks
• Radiant Capital Hack Analysis
• Typical vulnerabilities in lending and CDP protocols
• Understanding Compound’s Liquidation
• Vulnerable Spots of Lending Protocols
• Vulnerable Spots of Lending Protocols

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CTFs and Puzzles

• a-MAZE-X: A Smart Contract Security Capture the Flag Workshop
• Blocksec CTFs
• Code is Law 2
• CTF Lending
• ctfprotocol
• Curta Archive
• Curta Golf
• Curta Write Ups
• Damn Vulnerable DeFi
• Decently Safe DeFi
• decipher_EVM_puzzles
• DownUnderCTF Blockchain CTF
• Ethernaut CTF 2024
• Ethernaut
• EVM through CTFs
• evm-puzzles
• Gas Puzzles
• HalbornSecurity CTFs
• Hats Finance Games
• Hats Finance vault-game
• more-evm-puzzles
• Mr Steal Yo Crypto
• Offensive Vyper
• Paradigm CTF 2021
• Paradigm ctf 2022 teaser
• Paradigm CTF 2022
• Protocol CTF
• Secureum A-MAZE-X Maison de la Chimie
• Secureum A-MAZE-X Stanford
• Sherlock x Secureum CTF
• SkidsDAO ctf
• Smart Contract Hacker Playground
• Sol Challenge
• Solana CTF
• Solidity Challenges
• Solidity Riddles
• Solidity Trivias
• Solidity Underhanded Contest
• Sussy Huff CTF
• unhackedctf
• VyperPunk
• Yet another evm puzzle
• zero knowledge puzzles

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DeFi

• A Deep Dive Into the Uniswap V2 Protocol
• AAVE V3 DeFi Integration Tips
• aave-unleashed
• All About DeFi and Future of Finance - Full Course in 4 playlists
• amm Checklist
• AMM Market Manipulation
• Attacking the DeFi Ecosystem with Flash Loans for Fun and Profit
• Attacks on Dynamic DeFi Interest Rate Curves
• Auditor’s Digest : Incorrect TWAP implementations
• awesome-uniswap-hooks
• BalancerV1 Integration Tips
• Bitpaid Hack
• Convex Finance DeFi Integration Tips
• CurveV1 Integration Tips
• Decentralized Finance (DeFi) Attacks
• Decentralized Finance Threat Matrix
• DeFi Attack Vectors
• defi fork bugs
• DeFi Risk Modelling Awesome
• DeFi Slippage Attacks
• Euler Finance Incident Post-Mortem
• First Deposit Bug in CompoundV2
• Floki Inu hack
• How Was ASKACR Token Exploited?
• How Was LunaFi Exploited?
• KyberSwap Elastic bug
• Level Finance Hack Analysis
• liquidations thread
• Manipulating $GPT Token's Fee Mechanism
• Numerical Analysis
• Overview of the Inflation Attack
• Para.Space Hack
• Precision Loss Errors
• Price & Reward Manipulation Attacks Distilled
• Retrospecting Unhealthy Order Allowance Vulnerability in Perpetual Protocol
• reward based protocols thread
• Snooker Token Hack Analysis
• So you want to use TWAP?
• StErMi Aave v3 bug bounty part 1
• StErMi Aave v3 bug bounty part 2
• StErMi Aave v3 bug bounty part 3
• Thorns in the Rose: Exploring Security Risks in Uniswap v4’s Novel Hook Mechanism
• TradFi, Meet DeFi
• Typical vulnerabilities in AMM protocols
• Uniswap v3 Book
• Uniswap v4 - threat modeling for secure integration
• UniswapV4 hooks
• When bug-fixes go wrong: RAI debt auctions bug

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DOS

• a study of return bombing
• Charged Particles Griefing Bugfix Review
• Intro to Smart Contract Security Audit: DOS
• Mass-Disclosure of Griefing Vulnerabilities
• Permission denied
• Solidity Smart Contract Unbounded Loops DOS Attack Vulnerability Explained with REAL Example
• Stacks DoS Bugfix Review
• Threshold tBTC vulnerabilities disclosed

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ERC-1155

• ERC721/ERC1155 contract development and security
• Security Analysis of the ERC 1155 NFT Smart Contract
• Your Guide to ERC-1155

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ERC-20

• 12 ERC20 Edge Cases
• Another Attack Due To Deflationary Token Compatibility Issues
• Auditor’s Notes: ERC20 Integration Tips
• Awesome Buggy ERC20 Tokens
• bZx’s Security
• Contract development and contract security for ERC20 related business
• ERC-20 Standard – Security Department Statement
• ERC20 Standard Main Issue
• How to Avoid Issues Related to Deflationary Tokens
• How to Ensure Web3 Users Are Safe from Zero Transfer Attacks
• ERC20 Weirdness & Attacks Part 1
• Kaoya Swap Hack
• Known problems of ERC-20 token standard
• Navigating the pitfalls of securely interacting with ERC20 tokens
• Public transfer vulnerability of the Tether Gold smart contract
• Rebasing Tokens thread
• Smart Contract Security Guidelines #1
• The Importance of Secure ERC20 Tokens: Ensuring Trust in the World of Decentralized Finance
• Token Interaction Checklist
• Token Tester
• Tradeoff Between Convenience and Security
• weird-erc20
• Why you should ALWAYS use SafeERC20

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ERC-4337

• A deep dive into the main components of ERC-4337
• Account Abstraction Security Guide
• ACCOUNT ABSTRACTION: A COMPREHENSIVE GUIDE
• Account Abstraction: Security for Auditors
• Account Abstraction: Use Cases, Technical Overview, and Security Considerations
• Account Abstraction's Impact on Security and User Experience
• Account Abstraction
• EIP-4337 – Ethereum Account Abstraction Incremental Audit
• EIP-4337: Account Abstraction thread
• EIP4337Manager selfdestruct vulnerability
• ERC-4337 Primer
• ERC-4337 UserOperation Packing Vulnerability
• ERC4337 Audit Checklist
• ERC4337 Sample VerifyingPaymaster Signature Replay attack
• MEV Exploration: From the Perspective of ERC-4377
• Security Checkpoints for EIP-4337 Based Account Abstraction Implementation
• Smart Contract Audit of Sock’s ERC-4337 Compliant Self-Custodial Trading Platform
• Smashing ERC4337 Wallets For Fun and Profit
• Understanding ERC-4337 User Operation Packing Vulnerability

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ERC-4626

• A Novel Defense Against ERC4626 Inflation Attacks
• ERC 4626 Token Standard And Its Security Concerns Explained
• ERC4626 Interface Explained
• Exploring ERC-4626: A Security Primer
• Is my ERC-4626 vault token up to the standard?
• Shared Vulnerabilities Between ERC-4626 Vaults and Vault-Like Contracts

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ERC-721

• A comprehensive guide to the ERC721 standard and related security issues
• A Research Into NFT Whitelist Bypass Vulnerability (1/2)
• An Analysis of the Attack on the OmniX NFT Platform
• Are NFTs Safe?
• Audita’s Vulnerability Highlights: Part 1
• Auditing Tips for NFT Projects
• Auditing Tips for NFT Projects
• Beosin: 10 Ways to Teach You How to Guard the NFT Assets
• BEST PRACTICES FOR SECURE NFT DEVELOPMENT
• Critical NFT Bridge Vulnerability
• Deciphering ERC721 Token Standard & Fungibility of assets from a Developer’s perspective
• How Hackers Can Become “Lucky” in NFT Minting
• How to Ensure the Security of NFT Under the Web 3.0 Boom?
• How to hack into NFT marketplace
• Insight Into NFT Token Standards And Best Security Practices
• NFT Attack Vectors
• NFT attacks
• NFT Best Practices
• NFT Marketplace Smart Contract Audit Guidelines
• NFT Security: Tips and Best Practices
• NFT Smart Contract Audit
• Recreating Kubz NFT Hack and understanding what went wrong
• royalty fee limit of nft marketplace bypass via eip 2981
• SECURITY RISKS OF NFT GAMES
• TOP 10 WAYS YOUR NFTS CAN BE HACKED
• Unforgettable NFT Smart Contracts Exploits

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ERC-777

• Deciphering Token Standards in Ethereum Part-IV — The Failure of ERC777
• Exploring ERC777 Tokens: Vulnerabilities and Potential DOS Attacks on Smart Contracts
• Latent Bugs in Billion-Plus Dollar Code
• One more problem with ERC777
• SlowMist: Detailed Explanation of Uniswap’s ERC777 Re-entry Risk
• The Potential Impact Of ERC-777 Tokens On DeFi Protocols

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EVM Internals an Low level

• A call, a precompile and a compiler walk into a bar
• A Low-Level Guide To Solidity's Storage Management
• A Playdate with the EVM
• Basic Bit Manipulation
• Building an EVM from scratch
• Building reliable EVM disassemblers
• Data Representation in Solidity
• Dissecting EVM using go-ethereum Eth client implementation. Part I
• Ethereum Data Structures
• Ethereum EVM illustrated
• Ethereum Virtual Machine Language Design
• Ethereum Yellow Paper Course
• Ethereum Yellow Paper
• ETHEREUM: A SECURE DECENTRALISED GENERALISED TRANSACTION LEDGER
• Ethereum
• EVM Chad
• EVM From Scratch
• EVM Limitations & Assembly Auditing Tips
• EVM Mastery
• EVM-Book
• evm-from-scratch
• evm-from-scratch
• evm-pt1
• EVM: Degen Bit Masking
• evm.codes
• From bytecode to bugs
• How I Almost Cheesed the EVM
• Huff
• Inline Assembly
• learn yul
• Learning Solidity : Tutorial 12 Functional Assembly
• Learning Solidity : Tutorial 13 Instructional Assembly
• Low level vulnerabilities & POCs
• Mastering Ethereum
• Memware: Generalised Frontrunners
• noxx
• Pointers in Solidity?
• Programming Tutorial: Getting Started with Yul+
• Smart Contract Obfuscation Techniques
• Solidity and EVM: Bit Shifting and Masking in Assembly(YUL)
• Solidity Bugs in Yul
• Solidity Inline Assembly & Yul
• Solidity Tutorial : all about Assembly
• solvm
• Technical Exploration of Inline Assembly in Solidity
• The Dark Arts of Yul, Explained
• The EVM and Smart Contract Internals
• The EVM Handbook
• Understand EVM bytecode
• Understanding The Ethereum Yellow Paper
• What Is a Precompiled Contract Vulnerability?
• Yul (and Some Solidity) Optimizations and Tricks
• Yul & Memory Intro | Yul Exploit!
• Yul By Example
• Yul Solidity Fridays
• Yul

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Formal Verification & Symbolic Execution

• Awesome Symbolic Execution
• Certora Documentation
• Certora Tutorials
• daejunpark halmos usage
• ERC20-K: Formal Executable Specification of ERC20
• ERC777-K: Formal Executable Specification of ERC777
• Ethereum Formal Verification
• Everything You Wanted to Know About Symbolic Execution for Ethereum Smart Contracts
• EVM Symbolic Execution
• Formal Methods for DeFi Developers
• formal verification & symbolic execution Thread
• Formal Verification of ERC20 Contracts
• Formal Verification of Smart Contracts: Equivalence Checking of Uniswap Library
• Formal verification to the people
• Formally Verifying Finality in Gasper:
• Formally Verifying WETH
• Implementing stateful invariant testing with Halmos
• MIT Symbolic Execution
• Morpho Certora Tutorials
• Preventing reentrancy bugs — another use case for formal verification
• Scaling Formal Verification to Find Bugs in Complex Smart Contract Systems
• Smashing bugs using Certora Prover
• SMTChecker and SMT Solvers: Exploring Formal Verification One Step at a Time
• SMTChecker: The Game Changer in Smart Contracts Verification and Security
• Solady FixedPointMathLib testing
• Solana Formal Verification: A Case Study
• Symbolic testing with Halmos
• The Easy Way To Quit (Concrete) Testing
• Z3 Docs

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Fuzzing

• 10 Steps To Easily Use 3 Fuzzers
• A Guide to Crafting Robust Invariants
• awesome directed fuzzing
• Breaking the Tree: Violating Invariants in Semaphore
• Building a smart contracts fuzzer for fun and profit
• Crytic Properties
• Detecting Reentrancy Issues in Smart Contracts Using Fuzzing
• Differential Fuzzing On Solidity Fixed-Point Libraries
• Echidna Streaming Workshop
• Echidna: Invariant Tests for AMM Contracts
• Exploiting Precision Loss via Fuzz Testing
• function-level invariant Thread
• Fuzz on the Beach: Fuzzing Solana Smart Contracts
• Fuzz Test Coverage Tips
• Fuzzing ERC20 contracts with Diligence Fuzzing
• Fuzzing on-chain contracts with Echidna
• Fuzzing Smart Contracts Yields this Research Team $100K+ in Bounties
• Fuzzing smart-contracts practical aspects
• Fuzzing Solidity/Ethereum Smart Contract using Foundry/Forge
• Fuzzing Vyper Contracts Using Foundry
• Invariant Testing WETH With Foundry
• Josselin Feist - Building secure contracts: Fuzzing like a pro
• Learnings from 6 weeks of fuzzing Badger DAO's eBTC protocol
• Mastering Fuzzing
• Next level smart contract security with Diligence Fuzzing
• Saving Millions in 2023 with Specification-Guided Fuzzing
• Secureum Diligence Bootcamp
• The Fuzzing Book
• Thomas Roth , Solana - JIT - Lessons from fuzzing a smart contract compiler
• TOB fuzzing blog posts

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Gas

• A Collection of Gas Optimisation Tricks
• A Dive into Storage Packing
• A Guide to Ethereum Gas Fees and Ways to Reduce Them
• Auditor’s Advice: Math, Solidity & Gas Optimizations
• Awesome Solidity Gas-Optimization
• EVM Gas optimization tricks
• EVM Gas Optimizations
• Gas Numbers Every Solidity Dev Should Know
• Gas Optimization in Ethereum Smart Contracts
• Gas Optimization Resources Thread
• Gas Optimizations / Gas Golfing using Huff , Yul
• Gas Optimizations for the Rest of Us
• gas optimizations
• golf-course
• How to optimize your gas consumption without getting REKT
• hrkrshnn gas ops
• re-golf-course
• solidity gas optimization
• Solidity Gas Optimizations 101
• Solidity Gas Optimizations Cheat Sheet
• Structs in Solidity: Best Practices for Gas Efficiency by 0xLazard
• The RareSkills Book of Solidity Gas Optimization: 80+ Tips
• The Ultimate Guide to NFT Gas Optimization
• Yul (and Some Solidity) Optimizations and Tricks

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General

• (Not So) Smart Contracts
• A hitchhikers guide to solana program security
• Academic Smart Contract Papers
• All about Smart Contract & DApp Auditing
• All known smart contract-side and user-side attacks and vulnerabilities in Web3.0, DeFi, NFT and Metaverse + Bonus
• Architectural Design for Secure Smart Contract Development
• Awesome Ethereum Security
• Awesome On-Chain Investigations HandBook
• Awesome Tezos Security
• awesome-cryptoeconomics
• Beginners Guide to Smart Contract Auditing
• blockchain auditing
• Blockchain Security
• BlockSec Academy
• Bug Patterns in Solidity and Smart Contract Auditing
• Bug Patterns in Solidity and Smart Contract Auditing
• Building Secure Smart Contracts
• Composable Security security guide
• CryptoVulhub
• DeFi Security Lecture
• Demystifying Exploitable Bugs in Smart Contracts
• ethereum-security
• Hitchhiker's Guide to Security
• HolyTips
• Immunefi-bug-bounty-writeups-list
• Learn EVM Attacks
• opensensepw
• OriginProtocol security
• OSWAR
• OWASP Smart Contract Security
• Path Quest - The Attacker Mindset
• SC Exploits Minimized
• SCSVS v2
• SCSVS
• SCV-List
• Sealevel Attacks
• Secure Smart Contract Design Principles
• Security Audit | What Are the Common Characteristics of Recent Web3 Attacks, and How Can Projects Avoid These Issues?
• Security Review Readiness Guide
• Smart Contract Attack Vectors
• Smart Contract Security Best Practices
• Smart Contract Security
• Smart Contract Vulnerabilities
• Solana Auditing and Security Resources
• Solidity DevSecOps Standard
• Solidity Notes
• Solidity Patterns
• solidity-security-blog
• solidity-security-by-example
• Spearbit Armory
• SWC Registry
• The 4 External Call Attacks
• The Compendium
• The Top 10 Most Common Vulnerabilities In Web3
• The Ultimate Guide To Reentrancy
• Tincho’s audit process
• Top 10 blockchain hacking techniques of 2023
• TOP 10 real-life exploits Thread
• ultimate defi research base
• Ultimate List of Common DeFi Component Types
• Understanding Smart Contract Vulnerabilities
• Vulnerabilities every beginner Smart Contract Security Researcher should find
• Web 3 audit dump
• Web3 Audits, Bug-Bounties, CTFs: Introduction
• Web3 Resources
• web3 Security DAO
• Web3 Security Library
• Web3 Security Library
• wiki.r.security
• Zero Knowledge Mastery

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Governance

• AquaDAO hack
• DAO Governance DeFi Attacks
• Election Fraud? Double Voting in Celer’s State Guardian Network
• Exploiting governance with metamorphic proposals
• Multi-block MEV and Compound Governor
• Swerve Finance Hack
• The Hidden Shortcomings of DAOs
• The Vulnerable Nature of Decentralized Governance in DeFi
• Tornado Cash governance exploit

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L2 and Bridges

• 6 security sins of Web3 bridges
• A COMPREHENSIVE GUIDE TO ARBITRUM AND ITS SECURITY FEATURES
• Aave V2 upgrade compatible issues
• Analysis & Remediation of the Precompile Attack on the Hedera Network
• Binance Bridge Hack in Layman’s Terms
• Bounty Program Helps Fix Contract Vulnerability
• Bridge Bug Tracker
• Bridge Bugs Overview
• bridge hacks
• Common Cross-Chain Bridge Vulnerabilities
• Cross-Chain Security with LayerZero Labs
• ERC 20 Bridge Security
• Ethereum Log Confusion in Polygon's Heimdall
• evmdiff
• Finding a Critical Vulnerability in Astar
• Heimdall Security Bug Fix Review
• l2 security framework
• L2 Security
• LayerZero trusted-party vulnerabilities
• Moonbeam, Astar, And Acala Library Truncation Bugfix Review
• Multichain Auditor
• rollup.codes
• Secure integration with LayerZero
• The Dark Side of DeFi: Cross-Chain Bridge Hacks
• You Could Have Found the Nomad Hack

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LSD

• LSD Checklist
• LSD. Integration pitfalls
• Typical vulnerabilities in LSD protocols

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MEV

• 0xBentoshi MEV resources
• AMM MEV BACKRUNNING
• Awesome MEV Resources
• awesome-mev-boost
• Awesome-MEV
• Dogetoshi MEV
• Flashbots youtube
• Flashbots
• Front-Running In Blockchain: Real-Life Examples & Prevention
• How To Reproduce A Simple MEV Attack
• How To Reproduce A Simple MEV Attack
• Intro to Smart Contract Security Audit — Front Running
• MEV bot exploit
• MEV Countermeasures: Theory and Practice
• MEV Related Threads
• MEV Research
• MEV Synthetix
• MEV zero to hero thread
• MEV_Research_Group
• NO BULLSHIT: GUIDE TO MEV
• Reversing a MEV Bot Example
• The 0 to 1 Guide for MEV
• The Mev Book
• Towards Stronger Blockchains: Security Against Front-Running Attacks
• Your Sandwich Is My Lunch: How to Drain MEV Contracts V2

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Oracle and Flashloans

• 0x0 Audits Hack
• 520 Token hack
• Allbridge Hack Analysis
• Anji Eco Hack Analysis
• awesome-oracle-manipulation
• babydoge exploit
• BentoBox v1 hack
• Block Forest
• Blockchain Oracle Design Patterns
• Blockchain Oracles: Their Importance, Types, And Vulnerabilities
• BONQDAO hack
• Cellframe Hack
• Chainlink Oracle DeFi Attacks
• Chainlink Oracle Security Considerations
• Chainlink security docs
• chainlink-interaction-security
• CS token
• Curve price oracle usage
• DD Coin
• Decoding Ovix Protocol’s $2 Million Exploit
• Decoding ROE Finance’s Flash Loan Exploit
• EDE Finance hack
• El Dorado Exchange exploit
• Elastic BNB
• Euler Finance Exploit Analysis
• FilDA Exploit Statement
• Flash Loan Attacks: Risks & Prevention
• Flash Loans and how to hack them: a walk through of ERC 3156
• ForTube Hack
• How Was NeverFall Project Exploited?
• Hundred Finance Hack
• Jimbos Protocol Hack
• LW Token Hack
• Market Manipulation vs. Oracle Exploits
• NXUSD Market Manipulation
• Ocean Life token hack analysis
• Post Mortem on SUSHI and YFI Incident
• Rodeo Finance exploit
• SushiSwap hack
• Synopsis Hack
• Tender Finance exploit
• Tender Finance Postmortem
• Themis exploit
• TWAP Oracles For Auditors
• UNMS Hack
• WOOFi Exploit

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Over/Underflow

• BEC Smart Contract Unlimited Token Transfer Vulnerability Analysis
• Learn attack vectors and explore H/M severity issues. Over/Underflow
• Poolz Finance Attacked
• Solidity Integer Overflow & Underflow

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Reentrancy

• A Historical Collection of Reentrancy Attacks
• A Vulnerability Perspective Analysis of Move Language Security — — Reentrancy Attacks and Permission Vulnerabilities
• All things reentrancy
• An analysis of Paraluni’s Exploit
• An Insight into the DAO Attack
• Analysis of OrionProtocol Reentrancy Attack
• Another Day, Another Reentrancy Attack
• Another Re-entrancy Attack
• Arcadia Finance $460k exploit
• Callback-Function Reentrancy Attacks in Solidity
• Cauldron V4 Post Mortem
• Conic Finance exploit
• Conic Finance post mortem
• Conic Finance-Detailed Hack Analysis
• Cronos critical
• Cross-chain re-entrancy
• Cross-Contract Reentrancy Attack
• Cross-Contract Reentrancy Attack
• Cross-Contract Reentrancy explained thread
• Curve Finance Liquidity Pools Hack Explained
• Decoding Earning Farm’s $528k Exploit
• Decoding Sentiment Protocol’s $1 Million Exploit
• Details of Lendf.Me Reentrancy Attack
• dForce exploit
• DFORCE NETWORK
• DFX Finance Hack-Nov 10, 2022
• Dynamic Finance Hack Analysis
• EarningFarm Hack Analysis
• EraLend exploit
• Essential Auditing Knowledge | What is the Difficult-to-Guard “Read-Only Reentrancy Attack”?
• Exploiting Uniswap: from reentrancy to actual profit
• Flash Loan & Reentrancy Attack: Analysis of Hundred and Agave Hack
• Flashloan + reentrance attacks, technical analysis about why OUSE lost $ 7 million
• Hack Analysis: Omni Protocol, July 2022
• Hoshiyari finds critical in ERC-4626 vault
• How to Escape Smart Contracts from The Clutch of Reentrancy Attacks?
• https://blog.solidityscan.com/starsarena-hack-analysis-e71d78704e85
• Intro to Smart Contract Security Audits | Reentrancy Attack
• Jarvis Network Flash Loan and Re-Entrancy Attack Analysis
• Jarvis Network Flash Loan and Re-Entrancy Attack Analysis
• Jarvis Polygon Pool Hack Analysis
• JAY Token Exploit
• JPEG’d Hack Analysis
• Libertify exploit
• Loss Exceeds $80M Due to Reentrancy Vulnerability in Contract: Beosin’s Analysis of the FeiProtocol Exploit
• Mainnet Re-Entrancy Flaw Exploited
• Multiple Projects Attacked Due to Vyper Reentrancy Vulnerability
• NFT contracts also have reentrancy risks: Analysis of Revest Finance hack
• OpenZeppelin Reentrancy Bugfix Review
• Orion Protocol exploit
• Orion Protocol Hack Analysis
• ORION PROTOCOL hack
• Paribus exploit
• Paribus Hack
• Platypus Stablecoin USP Hack Analysis
• Rari-Capital Re-entrancy Vulnerability Analysis
• Re-Entrancy Attacks
• Re-Entrancy
• Read-only reentrancy attacks: understanding the threat to your smart contracts
• read-only reentrancy thread
• Read-only Reentrancy: In-Depth
• Read-only Reentrancy: In-Depth
• Read-only reentrancyexplainer
• Reentrancy After Istanbul
• Reentrancy Attack on Cream Finance
• Reentrancy Attack: Analysis of Visor Finance’s Uniswap V3 Liquidity Protocol Hack
• Reentrancy Attack
• Reentrancy Attack
• Reentrancy Attacks on Smart Contracts Distilled
• Reentrancy
• Revest Finance Vulnerabilities
• Safeguarding Against Re-Entrancy Attacks
• Secure Smart Contract Development — Code Reentrancy in NFT Contracts
• Sentiment Hack Analysis
• Sentiment Hack
• SharkTeam: Analysis of Vyper Vulnerability Leading to Attacks on Projects like Curve and JPEG’d
• Single-Function Reentrancy Attacks in Solidity
• SlowMist: A brief analysis of the Akropolis attack
• SlowMist: Restore the truth about the Lendf.Me hacking incident
• Solidity Security By Example #05: Cross-Contract Reentrancy
• Sturdy Finance exploit
• The most famous attack in history: The Reentrancy Attack
• THE STARS ARENA HACK
• The Ultimate Guide To Reentrancy
• Top 10 Smart Contract Security Threats of Reentrancy Attacks
• TSTORE Low Gas Reentrancy
• Understanding Re-entrancy in Smart Contracts
• Uniswap Universal Router vulnerability
• Uniswap Vulnerability
• Unprotected Swap() Function: A ERC777 Reentrancy Vulnerability
• Vyper malfunctioning reentrancy locks
• Vyper Nonreentrancy Lock Vulnerability Technical Post-Mortem Report
• Vyper postmortem
• What Is A Re-entrancy Attack?
• WHAT IS A RE-ENTRANCY ATTACK?
• What is a Reentrancy attack?
• What Is a Reentrancy Attack?
• WHAT IS READ-ONLY REENTRANCY?
• When “SafeMint” Becomes Unsafe
• When “SafeTransfer” Becomes Unsafe
• Where to find solidity reentrancy attacks

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Reversing

• Deconstructing a Solidity Contract —Part I: Introduction
• DeGatchi on Reverse Engineering and MEV
• Disassembling EVM Bytecode
• Diving Into Smart Contract Decompilation
• EthTx Transaction Decoder
• evm.storage
• Jon Becker Interview On Reverse Engineering
• Online Solidity Decompiler
• REVERSE ENGINEERING A CONTRACT
• Reversing and debugging EVM Smart contracts
• Reversing The EVM: Raw Calldata

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RoadMaps

• AuditorsRoadmap
• Becoming a web 3 security researcher
• Bug Bounty Beginner's Roadmap
• DeFi Developer Road Map
• How to become a smart contract auditor
• How to become the Number 1 Auditor in Web3
• matta.’s Ethereum security road-map
• SlowMist-Learning-Roadmap-for-Becoming-a-Smart-Contract-Auditor
• Why are you not an Elite Smart Contract Security Researcher?

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Rounding and Math

• balancer rounding error bugfix review
• Kankodu donation attack thread
• MIM_Spell attack
• Rate manipulation in Balancer Boosted Pools
• Rounding Errors For Auditors
• SwaposV2Pair
• wise lending hack analysis

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Security Checklists

• Checks while Hacks
• DeFi-anti-hack-checklist
• Ethereum smart contracts security recommendations and best practices
• Morpho Security Checklists
• Security Checklist
• Security Roadmap for Solana applications
• Simple Security Toolkit
• SlowMist: Web3 Project Security Practice Requirements
• smart-contract-auditing-heuristics
• SmartContracts-audit-checklist
• solcurity
• Solidity Checklist & Reentrancy Attack
• Solodit's Audit Checklist
• The Ultimate 100+ Point Checklist Before Sending Your Smart Contract for Audit
• The ultimate security checklist
• Trail of Bits Rekt Test

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Security Courses

• Blockchain Security Course
• Cyfrin Updraft
• DeFi Hacks Reproduce & Academy
• DeFiVulnLabs
• Gateway Free Web3 Security Course
• learnEVM
• Node Guardians
• Peter's Solidity Recruitment Test
• rareskills Test
• Secureum
• security-and-auditing-full-course-s23
• Smart Contracts and Hacking 101
• Solana Security Workshop

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Security Monitoring & Protection

• A Case for the Defense
• A Novel Collaborative Learning Framework to Detect Attacks in Transactions and Smart Contracts
• Crisis Handbook - Smart Contract Hack
• DeFi-anti-hack-checklist
• Establishing On-Chain Communication After an Incident
• Evaluating blockchain security maturity
• Francisco Giordano - Incident response at OpenZeppelin Contracts and how to be in the loop
• Gal Sagie - You got Hacked, now What?
• how to create a web3 security incident response plan
• How to Defend Your Castle | Innovative Trio in Smart Contract Security: Monitoring, Prevention, Defense
• How to not get hacked and other security lessons learned
• How to Set Up Your Own Forta/Erigon Node
• Monitoring & Incident Response
• Monitoring and Mitigation of Economic Risk
• morpho-security
• Preventative Security Tactics
• Securing Web3 Through Proactive Threat Prevention
• Security Defense For Smart Contracts
• Threat Modeling for Smart Contracts: Best Step-by-Step Guide
• What does a project need to do to stay secure?

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Signature Vulnerabilities

• After Ethereum merge, beware of replay attacks
• Auditor’s Digest : The risks of EIP712
• Avalanche Protocol Signature Exploit: Part One
• Azuki DAO exploit
• B002: Solidity EC Signature Pitfalls
• Compact Signature malleability
• Decoding Azuki DAO Hack
• Don’t overextend your Oblivious Transfer
• ECDSA signature vulnerabilities
• Exploiting Signature Verification Vulnerabilities in Smart Contracts
• Frequent security risks on NFT trading platforms — Analysis of OpenSea & X2Y2 security incidents
• How to Steal User’s Signature in NFT Phishing Attacks
• How to verify a signature in a wrong way
• How was Multichain Exploited?
• Intro to Smart Contract Security Audit — Signature Replay
• Malleable Signatures
• NFT liquidity market security issues frequently occur— — Analysis of the hack of NFT trading platform Quixotic
• POLYNONCE: A TALE OF A NOVEL ECDSA ATTACK AND BITCOIN TEARS
• preventing replay attacks post ethereum merge
• Reveal the “Message’’ Replay Attacks on EthereumPoW
• SharkTeam: Analysis of the AzukiDAO Attack Incident
• SharkTeam: Move Language Security Analysis and Contract Audit Essentials — — The Replay Attack
• Signature Malleability thread
• Signature Replay Attacks
• Signature replay vulneribility
• Signature Replay
• Signature Replay
• SlowMist: Ethereum Smart Contracts Replay Attack Details Analysis
• SlowMist: Key to the Theft of 20 Million OP Tokens
• Top-10 Vulnerabilities in Substrate-based Blockchains Using Rust
• Transaction Replay + Management Vulnerability
• Understanding Signature Replay Attack

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Tools

• 4naly3er
• Audit wizard
• Auditor toolbox
• Awesome Advanced Smart Contracts Testing and Verification
• Caracal
• Certora prover
• Chain Walker
• Circomscribe
• Contract Diff Tool
• contract_grabber
• Decompile Bytecode
• DeFi Detective
• Diffusc
• Diffyscan
• echidna
• erever
• Etheno
• EtherSolve
• evm hound rs
• EVM Toolkit
• EVM-SMT solver
• forge-gas-metering
• Forta Bot Templates
• Forta Starter Kit Bot Details
• forta-agents
• forta-bot-examples
• Foundry Gas Diff
• Foundry Multibuild
• Fuzz introspector
• gambit
• Generate Foundry Fork Test from Attack Transaction
• halmos
• Heimdall-rs
• ityfuzz
• MadMax
• Manticore
• Masamune
• Medusa
• MEV Toolkit
• mev-inspect-py
• Napalm
• necessist
• Online ABI Encoder
• Optik
• Pakala
• ProMutator
• Pyrometer
• Rattle
• ReSuMo
• scrapyFi
• Scribble
• Semgrep rules for Compound
• Semgrep rules for smart contracts
• Sleuthing Toolbox
• Slither
• Slitherin
• Smart Contract Auditor Tools and Techniques
• Smart Contract Storage HexViewer
• SmartCheck
• Smartian
• Solhunt
• Solidity Mutation Testing
• solstat
• SuMo-SOlidity-MUtator
• Tayt
• Theo
• Transaction Tracer
• universalmutator
• vertigo-rs
• Vyper Halmos
• WhatsABI
• Whitehacks Kit
• yools

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Upgradability

• A Comprehensive Survey of Upgradeable Smart Contract Patterns
• Astaria vulnerability disclosed
• Awesome Diamonds
• Critical Bug Identified in 88mph
• diamond storage walkthrough by banteg
• Foundation NFT contracts vulnerability disclosed
• pashovkrum deep-div
• Security Guide to Proxies
• Upgradeable proxy contract from scratch
• Upgradeable Smart Contracts (USCs): Exploring The Concept And Security Risks

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Validation and Logic errors

• All your staking rewards are belong to us
• Analysis of hacking incidents of NFT lending protocol XCarnival
• Astrid Finance exploit
• Aurora rainbow bridge withdrawal logic bug
• Balancer Logic Error Bugfix Review
• Beanstalk Insufficient Input Validation Bugfix Review
• Beanstalk Logic Error Bugfix Review
• Beosin’s Analysis of the Arbitrum-based TreasureDAO exploit
• Blur NFT platform bug allows old bids to be accepted
• BRA Token Hack Analysis
• Decoding Deus DAO $6.5 Million Exploit
• DEXIBLE hack
• Exactly Protocol exploit
• Feed Every Gorilla hack
• Flash Loan Attack on TINU Token
• From the vulnerability incident of APE airdrop, what is the security situation of NFT?
• Helping Secure BNB Chain Through Responsible Disclosure
• Jump Satoshi Token Backdoor
• LendingHub hack
• Logic Error Bug Fix Review
• NFTCloud
• OMNI Real Estate Token Exploit
• Phantom Functions and the Billion-Dollar No-op
• phyProxy hack
• Platypus Finance Incident Post-Mortem
• PrismaRisk Post Mortem
• Quaternion
• Retrospecting Arbitrary Position Cancellation Vulnerability in Perpetual Protocol
• Revert Finance
• Sewer Pass Flash Claim Vulnerability
• Shata Capital exploit
• The bug that codearena missed, twice
• Thoreum Finance Smart Contract Vulnerability
• Trust The Trident Hack
• UF DAO hack
• Unibot router exploit
• Uniswap's SwapRouter doesn't refund unspent ETH in partial swaps
• Upswing hack
• USDs Feb 3 Exploit Report
• XCarnival NFT lending protocol vulnerability analysis

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ZK

• A Primer on Exploiting ZK Circuits
• a16z zkDocs
• Algebraic Attacks on ZK-Friendly Hash Functions
• Awesome zero knowledge proofs
• Awesome Zero Knowledge
• Awesome zkEVM
• awesome-starknet: security
• Aztec Connect Claim Proof Bug
• Cairo and StarkNet Security
• Circom-pairing library vulnerability
• Circuit Audit: Are Redundant Constraints Really Redundant?
• Common Zero-Knowledge Proof Vulnerabilities
• Exploring Cairo: A Security Primer
• Exploring Tornado Cash In-Depth to Reveal Malleability Attacks in ZKP Projects
• Weak Fiat-Shamir Attacks on Modern Proof Systems
• Ingopedia
• Practical Security Analysis of Zero-Knowledge Proof Circuits
• Security Concerns for Zero-Knowledge Proofs in Blockchain
• SlowMist: Exploring the Frozen Heart Vulnerability in the Fiat-Shamir Scheme
• The zero-knowledge attack of the year might just have happened, or how Nova got broken
• TOB zk blog posts
• Trail of Bits zkdocs
• Uncovering a ZK-EVM Soundness Bug in zkSync Era
• Verichains Finds critcal in Polygon zkEVM
• Vulnerability in the 0xPolygon zkEVM
• Welcome to the ZK Jargon Decoder
• ZeroValidation
• ZK Bug Tracker
• zk security reviews
• ZK Vulnerabilities: Sharp rocks hidden in deep water
• ZKP Series: Principles and Implementation of Extensibility Attacks on Groth16 Proofs
• ZKP Series: Pseudonym Input Vulnerability in Circom’s Verification Contract has Been Replicated
• ZKP-Resources: zkp-security
• ZKSECURITY
• zkSync Era transfer Bug

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