Security tooling

Tools from the
audit trenches.

Everything Vaultline (formerly 0xTeam) builds exists because we needed it on a real engagement.

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Products

Cutting-edge security tools.

Security tools built to protect blockchain ecosystems and Web3 applications, combining AI-powered automation with attacker-grade methodology.

AI security agent

Leon AI

Your personal AI security agent

AI-powered vulnerability detection for smart contracts across EVM and non-EVM chains, trained on patterns from 300+ audits.

01Multi-chain vulnerability detection across EVM and non-EVM networks
02AI-driven bug classification with severity scoring
03Code quality analysis and remediation suggestions

Coming soonJoin the Waitlist

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AI penetration testing

AI Red Team

Adversarial testing for AI systems

Goal-based adversarial testing for AI systems. We attack your AI the way real adversaries do, before they get the chance.

01Prompt injection and jailbreak path testing
02Agent tool abuse and permission boundary review
03Model integration and output-trust testing
04Severity-ranked findings with remediation guidance

Coming soonJoin the Waitlist

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We also run managed bug bounty programs for select clients. Ask us on a scoping call.

Customer reviews

Why clients trust us.

“Vaultline (formerly 0xTeam) provided us with a comprehensive audit that uncovered critical and hidden vulnerabilities. Their turnaround was fast, and communication was seamless. The team was highly professional and technically sound. We felt secure launching post-audit.”

Playarts Ai@playartsdotai

“The audit experience with Vaultline (formerly 0xTeam) was exceptional. Their findings were detailed, accurate, and easy to follow. They identified logic bugs others missed. Our smart contracts are now more robust thanks to their efforts.”

DZap@dzap_io

“Working with Vaultline (formerly 0xTeam) was smooth from start to finish. Their security insights helped us fix serious issues early. Their report was thorough, and the post-audit call added great clarity. Definitely our go-to team for future audits.”

Funtoken@funtoken_io

“We needed a reliable audit before launch, and Vaultline (formerly 0xTeam) delivered. Their approach blended automation and manual review perfectly. The team was responsive, skilled, and security-focused. We gained major trust from users post-audit.”

AMGI Studios@amgistudios

“We loved how hands-on Vaultline (formerly 0xTeam) was during our audit. They didn't just find issues, they educated us too. The report was actionable, clear, and helped our developers level up. Our product is now safer and play-ready.”