1INTRO
1DEX Secure Code Assessment
Challenge
1INTRO required an independent review of its 1DEX program before broader deployment.
Result
FYEO completed the assessment as part of an ongoing audit partnership with 1INTRO.
FYEO
Human-led and AI-accelerated Web3 security audits, fuzz testing and continuous code scanning.
Human-led and AI-accelerated Web3 security audits, fuzz testing and continuous code scanning.
FYEO audits smart contracts, protocols, wallets, dApps, APIs, governance and tokenomics while offering continuous repository scanning, dependency analysis, threat modeling and agentic-AI security testing.
- Min project size
- Scanner plans from $99 per month
- Employees
- 11–50
- Locations
- North Conway, New Hampshire, United States
Estimated Business Mix by Industry
Estimated regulated-industry mix
100%
Total
- Crypto & Digital Assets75%
- Other25%
Primary focus: Crypto & Digital Assets
Verified in:Crypto & Digital Assets
Meet the Team
FYEO audits smart contracts, protocols, wallets, dApps, APIs, governance and tokenomics while offering continuous repository scanning, dependency analysis, threat modeling and agentic-AI security testing. The company is headquartered in North Conway, New Hampshire, United States. Its team brings together expertise in Blockchain Audit, Smart Contracts, Fuzz Testing, Protocol Security, Wallet Security, and Threat Modeling to support products from architecture and development through launch, security, and ongoing operations.
TK
Tammy Kahn
Chief Executive Officer
Tammy Kahn leads FYEO's Web3 security, audit and continuous-scanning business.
MB
Mikael Byström
Head of OSINT
Mikael Byström leads open-source intelligence capabilities at FYEO.
BG
Brian Gale
Chief Operating Officer
Brian Gale leads operations across FYEO's security products and audit delivery.
DG
David Garrity
Chief Financial Officer
David Garrity leads financial management and corporate strategy at FYEO.
TO
Thomas Olofsson
Chief Technology Officer
Thomas Olofsson leads FYEO's security technology and AI-assisted audit systems.
Interested in FYEO? Have a question?
Send FYEO a message about your project and get answers directly.
Pricing Snapshot
Starting price
Contact for pricing
Pricing model
Contact for pricing
Pricing details
Pricing is tailored to scope, architecture, security requirements, integrations and delivery model.
Service
Human-Led Blockchain Security Audit
SolidityRustMoveCairoProtocolsExchanges
Manual and AI-accelerated review of Web3 code and business logic.
- Smart contracts
- APIs
- Integrations
- Governance
- Tokenomics
- Severity-ranked findings
- Re-audit
Typical timeline: Custom scope
Availability: Custom quote required
Pricing is tailored to scope, architecture, security requirements, integrations and delivery model.
Blockchain Audit
Smart Contracts
Fuzz Testing
Protocol Security
Pricing may vary by scope, market, media spend, and third-party costs. Data was sourced from public materials or confirmed by the vendor.
Case Studies
Selected engagements from FYEOAxelar Foundation
Axelar Network Collaborative Threat Model
Challenge
Axelar required a structured model of threats across cross-chain assets, components and trust boundaries.
Result
The collaboration produced a published threat-model report supporting Axelar's security program.
Flare
Flare and Songbird Secure Code Assessment
Challenge
Flare needed security review of network upgrades and Songbird-specific code changes.
Result
The published update reports zero new security issues in the 2024 and 2025 diff reviews.
- New issues in 2025 diff review
- 0
- Initial informational findings
- 1
Connect with a CobraSight advisor today
Skip the broad vendor search. CobraSight connects you with proven providers who understand your industry, goals, and regulatory environment.
Contact FYEO
If you're not seeing exactly what you need here, send this company a custom message about your project needs, budget, and timeline.