VULNERABILITIES
4 articles tagged "vulnerabilities"
2025-02-24·12 min read
How We Found Real Vulnerabilities with Fuzzing
A technical deep-dive into real vulnerabilities we've found through fuzzing, from critical accounting bugs to subtle rounding exploits. Includes the properties that caught them.
By Antonio
fuzzingvulnerabilitiessmart-contract-security
2025-11-24·18 min read
Top 10 DeFi exploits of 2025: the invariants that would have stopped them
Ten exploits, billions lost. For each one, we break down the root cause and write the exact invariant property that would have stopped it.
By Alex
invariant-testingdefi-securityvulnerabilities
2026-03-16·14 min read
The ERC-4626 donation attack: first depositor exploit explained and tested
The donation attack lets an attacker steal funds from vault depositors through share inflation. Here's exactly how it works, how to prevent it, and how to test for it.
By Antonio
erc-4626vulnerabilitiesinvariant-testing
2026-04-01·14 min read
Signature replay and permit attacks: testing EIP-712 and ERC-2612 with fuzzing
Signatures are everywhere in smart contracts. Replay attacks, permit griefing, and malleability bugs are still catching protocols. Here's how to fuzz for all of them.
By Deivitto
smart-contract-securityfuzzingvulnerabilities