EVM-flavoured smart-contract security. See blockchain-security for ordering.

Foundations

• smart-contracts-overview
• ethereum-blockchain · solidity-basics

Consensus-layer attacks

• 51-percent-attacks

Bug classes

• reentrancy
• integer-overflow-solidity
• access-control-bugs
• airdrop-abuse
• delegatecall-storage-collision

DeFi-specific attacks

• flash-loan-attacks
• oracle-manipulation
• mev-sandwich-attacks
• erc20-approval-phishing

Modern DeFi attack patterns

• bridge-attacks-modern — cross-chain bridge classes
• erc4626-vault-attacks — vault inflation / donation
• permit-eip2612-phishing — Permit / Permit2 signature phishing
• nft-signature-replay — Seaport-style NFT phishing
• l2-rollup-sequencer-attacks — Arbitrum / Optimism / ZK surfaces
• stablecoin-depeg-attacks — peg-mechanism failure classes

Non-EVM chains

• solana-program-attacks — Solana / Anchor program bugs
• move-language-audit — Sui / Aptos Move audit
• cosmos-ibc-attacks — Cosmos SDK + IBC
• bitcoin-script-and-taproot-attacks — Bitcoin / Lightning surface
• cross-chain-multi-vm-attacks — multi-VM seam patterns

Tooling

• remix-tool · foundry-toolkit