Zealynx
Senior-led audits for smart contracts, dApps, and AI agents across EVM, Solana, Rust, Cairo, Sway. Fixed-price, same-day reply. 42 audits, $5B+ TVL secured. Free fix reviews included.
Editor's Verdict
Key Takeaways
- Senior-Led Audits
- Full-Stack Coverage
- AI-Powered Auditing with Krait
- Free Fix Review
In-Depth Review: What is Zealynx?
Zealynx Security is a full-stack Web3 security firm founded in 2023 by Carlos Vendrell (Bloqarl), headquartered in Wroclaw, Poland. We provide manual smart contract audits, application security pentesting, AI red-teaming, and Model Context Protocol reviews. Every audit is led by a senior auditor with no junior handoffs. We also offer the Krait open-source AI auditing tool, Zealynx Academy for free education, and audit grants up to $32,000 for builders. Our methodology includes six verification layers: manual review, Slither, Foundry invariants, mutation testing, Krait, and Halmos. Over 42 audits completed, $5B+ in TVL secured, trusted by 30+ protocols. Get a same-day fixed-price quote with no sales call.
Core Features
Senior-Led Audits
Every audit is led and signed off by a senior auditor with no junior handoffs or agency layer, ensuring consistent quality.
Full-Stack Coverage
Reviews smart contracts, dApps, APIs, backends, and AI agents in parallel for comprehensive security across the entire stack.
AI-Powered Auditing with Krait
Open-source AI auditor generating tailored security prompts backed by real Solodit exploits, achieving 90% precision.
Free Fix Review
Patches are re-reviewed at no additional cost, with the report updated to reflect resolved findings.
Fixed-Price, No Sales Call
Get a fixed-price scope, timeline, and named lead auditor within same-day reply without any sales call requirement.
Public Reports & Methodology
All audit reports are public by default and the full review methodology is published for transparency.
Audit Grants Program
Offers $100k+ in funded audits through Core, Growth, and Builder grants to support Web3 builders with limited budgets.
Zealynx Academy
Free education program covering protocol engineering, audit practice, and founder operations for Web3 builders.
Pricing
Early Rate
- $2,400 worth of senior audit time
- Promotional rate for early members
- Locked in as rate increases
Core Grant
- 100% of audit cost covered
- Free full audit for selected builders
- Aimed at solo founders and small teams
Growth Grant
- Half-price audit for protocols with traction
- Up to $32,000 audit value, client pays $16,000
Builder Grant
- Discounted audit for early-stage builders
- Full audit price $32,000, client pays $24,000
Pros and Cons
Pros
- Direct Access to Senior AuditorsNo agency markup; the lead auditor is the founder with experience at top firms, ensuring direct communication and expertise.
- Comprehensive Full-Stack AuditsSimultaneous review of smart contracts, dApps, and AI systems provides deeper context and faster delivery.
- Public Track Record42 public audits, ETHSecurity Badge of Trust, and open methodology build trust and allow potential clients to evaluate quality.
- Free Fix Reviews and RechecksPatches are re-reviewed at no extra cost, with the report updated to reflect resolved findings, ensuring complete remediation.
- Innovative AI Auditing Tool (Krait)Open-source AI auditor backed by real exploits enhances manual review with high precision, also available for community use.
Cons
- No Transparent Standard PricingPricing is not publicly listed; requires a quote, which may deter budget-conscious teams without immediate contact.
- Grants Are CompetitiveAudit grants are limited and not guaranteed; many teams may not qualify or receive funding, creating uncertainty.
- Relatively New FirmFounded in 2023, Zealynx has less brand recognition and a shorter track record compared to established security firms.
- Limited Scope for Non-Web3 ProjectsWhile covering Web2 and AI, the primary focus is on Web3 security; enterprises outside blockchain may find less relevance.
- Early Rate May ExpireThe promotional early rate is temporary; future pricing may increase, potentially disappointing early adopters expecting long-term value.
Use Cases & Recommended Professions
Smart Contract Developer→ View Toolkit
Needs thorough security audits to ensure deployed contracts are free from vulnerabilities and follow best practices.
DeFi Founder→ View Toolkit
Requires cost-effective, senior-led audits and grant opportunities to secure their protocol while managing limited budgets.
Security Engineer→ View Toolkit
Benefits from detailed public reports, methodology, and open-source tools like Krait to learn and enhance their own security reviews.
AI Agent Developer→ View Toolkit
Needs specialized AI red-teaming and MCP server reviews to protect against prompt injection and model abuse.
dApp Developer→ View Toolkit
Requires full-stack audits covering off-chain logic, APIs, and wallet integrations to prevent business logic flaws.
CTO of a Blockchain Startup→ View Toolkit
Seeks a one-stop security partner that can audit the entire stack with senior talent and provide educational resources for the team.
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ℹ️ Curation Disclosure: The overview and features of Zealynx were synthesized using AI and fact-checked by our curation team to ensure accuracy.
