BlackHartBlackHart

The risk nervous system for DeFi.

Continuous adversarial intelligence that quantifies protocol risk in real time across multiple dimensions. Founded by military veterans.

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The Mission

Why we exist.

DeFi is critical infrastructure. Billions in user funds depend on smart contracts that evolve daily: new deployments, governance changes, oracle migrations, and shifting integrations all alter a protocol's risk profile. Security that operates at a different pace leaves gaps.

Audits capture a moment in time. Bounty programs cover narrow scopes. Protocols are slow to patch. And the people who depend on these systems, users, funds, insurers, have no reliable, continuous signal for how safe a protocol actually is right now.

BlackHart exists to close that gap. We run continuous adversarial research against live protocols, publish a public risk index across 12 security dimensions, and provide direct assistance to protocol teams that want to improve their security posture. Every finding is proven with a working exploit on a mainnet fork. Every finding ships with a staged fix.

We want DeFi to survive and thrive. That requires security infrastructure that matches the pace and ambition of the protocols it protects.

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Track Record
58

Protocols Analyzed

990+

Confirmed Vulnerabilities

218

Confirmed Criticals

243

Confirmed Highs

470+

Fork-Validated PoC Tests

100%

Criticals Backed by Exploits

verifiedEvery finding is fork-validated with a passing proof of concept. Real exploits, real state, real value at risk.

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What Makes Us Different
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Proven on Mainnet Forks

Every finding includes a working exploit on a mainnet fork. Real contracts, real state, real value at risk. If the PoC passes, you know it’s real.

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radar

Always On

Our systems run against your protocol 24/7. When conditions change (new code, new market dynamics, new dependencies) we re-analyze automatically.

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Compound Vulnerabilities

We specialize in finding multi-step exploits where individually safe components create critical risk when combined. Cross-contract interactions, economic attack paths, and state-dependent edge cases.

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You Only Pay For What We Prove

Our pricing is performance-based. Base engagement fee plus bonuses only for validated, fork-proven findings. Our incentives are aligned with yours.

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The Team

Founded by veterans. Driven by mission.

BlackHart was founded by military veterans who spent their careers protecting critical systems. That mindset carries over: persistent, adversarial, and relentless. Our team combines hands-on exploit development with proprietary detection technology, deep expertise in DeFi protocol architecture, and a security-first discipline that comes from operational experience.

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See Our Work
CriticalEuler Finance — $197M Hack, March 2023

See our work in action.

Our analysis of the Euler V1 exploit identified all three critical vulnerabilities and the complete multi-step attack path. View the full threat map, findings, and validated proofs of concept.

View Euler V1 Analysisarrow_forward
$197M

Funds Drained

6

Primitives Found

1.00

Detection Confidence

1 TX

Atomic Exploit

Ready to protect your protocol?

Working exploits, staged patches, and continuous coverage. Every finding is proven on a mainnet fork and ships with a fix.

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