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Blog

Research and disclosures

Vulnerabilities we have reported and seen resolved, the testing methods behind them, and news from Guardian.

Programs

Guardian Commits $5,000,000 to Digital Asset Security Pilots

Funded security pilots for the institutions and teams bringing digital assets into the global financial system: architecture, standards, assurance engineering, a smart contract audit and offchain pentests.

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Product

Guardian Announces Vanguard

Two teams on one codebase, the Helix AI Auditor, a $100,000 Defender contest, offchain coverage and six months of post-launch review, plus $1,000,000 in security audit grants.

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Product

Introducing: Guardian Defender

Guardian Defender runs free post-audit bounty contests for Guardian clients, and Guardian pays out any validated Critical finding.

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Invariant testing

Why Audited Teams Are Getting Hacked

Over $500M was taken from audited DeFi projects in a single year. Why human error survives audits, and a step-by-step guide to invariant testing with Echidna.

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Web2 security

Web2: The Hidden Layer of DeFi Risk

Smart contracts can be sound while the Web2 systems around them decide who calls them, with what calldata, and when. A real Guardian finding shows how.

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Disclosure

Baseline Markets: Vulnerabilities Reported and Resolved

22 high-severity issues across two Guardian reviews of Baseline Markets V2, and the three most novel vulnerabilities explained.

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Disclosure

DN404: Vulnerabilities Reported and Resolved

Two high-severity NFT theft issues and several value-extraction scenarios found in Guardian's review of DN404, the ERC-7631 implementation.

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