Is common.fi Safe? Security Analysis for Cardinal Cryptography Sp. z o.o.
https://common.fiCheck if common.fi is a scam or legitimate. Free security scan and reviews.
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SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
AI Summary
Common.fi is a privacy-focused DeFi platform operated by Cardinal Cryptography Sp. z o.o., based in Poland. The company offers a private crypto suite enabling users to manage, earn, and trade cryptocurrencies across multiple blockchains without exposing financial data. Their business model centers on privacy-first financial applications, including shielded transactions and yield earning, targeting crypto users seeking enhanced privacy and control. The platform is positioned as a niche player with strong security audits and a growing user base. Technically, the website employs modern JavaScript frameworks, Google Tag Manager, and Cloudflare DNS with DNSSEC, hosted on DigitalOcean infrastructure. The site is well-optimized for mobile and desktop with excellent design and user experience. Security posture is strong, with HTTPS, DNSSEC, and audited smart contracts, though explicit security policies and incident response contacts are not published. Overall, the platform demonstrates a mature digital presence with good privacy compliance and trust signals, though it could improve transparency by adding terms of service and direct contact information for security incidents.
Detected Technologies
5 urgent findings need attention
5 high
Keep common.fi under constant watch
Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.
Security drift alerts
Risk score drops, new high-severity issues, and header hardening gaps
Compliance watch
GDPR / NIS2 posture changes with governance evidence snapshots
Infrastructure surface
Unexpected open services, SSL expiry, DNS & email authentication changes
Content & tracker intelligence
Marketing tech shifts, analytics drift, and AI recommendation updates
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Security Headers
6 findings
35/100
GDPR Compliance
2 findings
83/100
NIS2 Compliance
6 findings
47/100
Email Security
4 findings
85/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Common.fi operates in the finance and technology sectors, focusing on privacy-enhanced DeFi services. Its competitive advantage lies in its privacy-first approach, multi-chain support, and audited security. The business model includes offering non-custodial wallets, shielded yield products, and seamless crypto spending. Revenue streams likely include transaction fees and yield management. The target customers are privacy-conscious crypto users and DeFi participants. Growth indicators include active development, security audits, and community engagement via social media and feedback portals. Partnerships with Aleph Zero and security firms like Kudelski and zkSecurity enhance credibility. The company maintains a lean structure with no visible subsidiaries or parent companies.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Company Registration
Cardinal Cryptography Sp. z o.o.
PL6762564514
Security Posture Analysis
Comprehensive Security Assessment
The security maturity of Common.fi is high, evidenced by HTTPS enforcement, DNSSEC, and multiple third-party security audits. The platform avoids exposing sensitive data in its web content and uses modern security best practices. However, the absence of a published security policy, incident response plan, or security.txt file limits transparency for vulnerability reporting. GDPR compliance is indicated by a comprehensive privacy policy and cookie consent mechanism. No critical vulnerabilities or exposed credentials were detected. The platform would benefit from publishing explicit security and incident response documentation to enhance trust and readiness.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a dedicated security policy and incident response plan on the website.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Cardinal Cryptography Sp. z o.o.
Manage, earn, and trade crypto across multiple chains - without exposing your financial data. Get the simplicity of a neobank and stay in control of your wealth.
excellent
consistent
Technical Stack
fast
excellent
good
good
Security Assessment
- Use of HTTPS
- DNSSEC signed delegation
- No exposed sensitive data in HTML
- Audited smart contracts and apps
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content and no blocking.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Strict-Transport-Security header
HIGHForces HTTPS connections
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Weak Referrer-Policy configuration
LOWCurrent value: "same-origin"
Missing Permissions-Policy header
MEDIUMControls browser features and APIs
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Data Protection Officer mentioned
LOWLarge organizations may need to designate a DPO under GDPR
Privacy policy may not be GDPR compliant
MEDIUMPrivacy policy lacks explicit GDPR compliance elements
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans
No business continuity planning found
MEDIUMNIS2 emphasizes operational resilience and business continuity
No security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
Strict DMARC Alignment
LOWStrict alignment may cause legitimate emails to fail
No BIMI Record
LOWBIMI displays brand logos in email clients
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues
SPF Details
DKIM Selectors Found
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 63 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
Mixed Content Detected
MEDIUM1 resources loaded over insecure HTTP
Partial SSL/TLS Assessment
LOWCompleted 2 of 4 security checks due to time constraints
Certificate Details
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
DNS Records
DNSSEC Status
DNS Performance
SPF Analysis
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does common.fi compare?
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🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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Marketing Intelligence
Contact emails, phone numbers & warm leads
Plan Comparison
| Feature | PDF Report | Marketing+ |
|---|---|---|
| Full security analysis | ||
| Professional PDF export | ||
| Email delivery | ||
| Lifetime access + unlock code | ||
| Contact emails & phones | — | |
| Marketing outreach data | — |
Already purchased?
Order summary
Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.
Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.
SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
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