Is Metamask – Crypto Wallet Safe?
Metamask – Crypto Wallet — Nerq Trust Score 44.8/100 (D grade). Based on analysis of 2 trust dimensions, it is has notable safety concerns. Last updated: 2026-04-01.
Exercise caution with Metamask – Crypto Wallet. Metamask – Crypto Wallet is a Firefox add-on with a Nerq Trust Score of 44.8/100 (D), based on 3 independent data dimensions. It is below the recommended threshold of 70. Security: 65/100. Popularity: 80/100. Data sourced from addons.mozilla.org metadata, permissions analysis, and source code availability. Last updated: 2026-04-01. Machine-readable data (JSON).
Is Metamask – Crypto Wallet safe?
NO — USE WITH CAUTION — Metamask – Crypto Wallet has a Nerq Trust Score of 44.8/100 (D). It has below-average trust signals with significant gaps in security, maintenance, or documentation. Not recommended for production use without thorough manual review and additional security measures.
What is Metamask – Crypto Wallet's trust score?
Metamask – Crypto Wallet has a Nerq Trust Score of 44.8/100, earning a D grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.
What are the key security findings for Metamask – Crypto Wallet?
Metamask – Crypto Wallet's strongest signal is popularity at 80/100. No known vulnerabilities have been detected. It has not yet reached the Nerq Verified threshold of 70+.
What is Metamask – Crypto Wallet and who maintains it?
| Author | danfinlay |
| Category | firefox |
| Source | N/A |
Metamask – Crypto Wallet Across Platforms
Same developer/company in other registries:
Similar Firefox by Trust Score
Safety Guide: Metamask – Crypto Wallet
What is Metamask – Crypto Wallet?
Metamask – Crypto Wallet is a Firefox add-on — The most secure wallet for crypto, NFTs, and DeFi, trusted by millions of users.
How to Verify Safety
Review permissions on addons.mozilla.org. Check if source code is available.
You can also check the trust score via API: GET /v1/preflight?target=MetaMask – Crypto Wallet
Key Safety Concerns for Firefox add-ons
When evaluating any Firefox add-on, watch for: excessive permissions, data harvesting.
Trust Assessment
Metamask – Crypto Wallet has a Nerq Trust Score of 45/100 (D) and has not yet reached Nerq trust threshold (70+). This score is based on automated analysis of security, maintenance, community, and quality signals.
Key Takeaways
- Metamask – Crypto Wallet has a Trust Score of 45/100 (D).
- Review carefully before use — below trust threshold.
- Always verify independently using the Nerq API.
Detailed Score Analysis
| Dimension | Score |
|---|---|
| Security | 65/100 |
| Privacy | 90/100 |
| Reliability | 50/100 |
| Transparency | 60/100 |
| Maintenance | 60/100 |
Based on 5 dimensions. Data from addons.mozilla.org metadata, permissions analysis, and source code availability.
What data does Metamask – Crypto Wallet collect?
Metamask – Crypto Wallet has a privacy score of 90/100. Review the documentation and privacy policy for data handling details.
Full analysis: Metamask – Crypto Wallet Privacy Report · Privacy review
Is Metamask – Crypto Wallet secure?
Security score: 65/100. Review security practices and consider alternatives with higher security scores for sensitive use cases.
Nerq monitors this entity against NVD, OSV.dev, and registry-specific vulnerability databases for ongoing security assessment.
Full analysis: Metamask – Crypto Wallet Security Report
Metamask – Crypto Wallet Across Platforms
Same developer/company in other registries:
How we calculated this score
Metamask – Crypto Wallet's trust score of 44.8/100 (D) is computed from addons.mozilla.org metadata, permissions analysis, and source code availability. The score reflects 5 independent dimensions: security (65/100), privacy (90/100), reliability (50/100), transparency (60/100), maintenance (60/100). Each dimension is weighted equally to produce the composite trust score.
Nerq analyzes over 7.5 million entities across 26 registries using the same methodology, enabling direct cross-entity comparison. Scores are updated continuously as new data becomes available.
This page was last reviewed on April 01, 2026. Data version: 1.0.
Full methodology documentation · Machine-readable data (JSON API)
Frequently Asked Questions
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Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.