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Is flashbots.net a Scam? Security Check Results - Flashbots, Ltd Reviews

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Is flashbots.net Safe? Security Analysis for Flashbots, Ltd

Check if flashbots.net is a scam or legitimate. Free security scan and reviews.

TechnologyN/amedium
Next.jsReactRust (rbuilder)TEEs (Trusted Execution Environments)GitHub-hosted open source+1 more
Analyzed 9/6/2025Completed 6:39:35 AM
57
Security Score
MEDIUM RISK

AI Summary

Flashbots, Ltd is a specialized research and development organization focused on mitigating the negative externalities of Maximal Extractable Value (MEV) in stateful blockchains, primarily Ethereum. The organization operates at the intersection of blockchain technology, cryptography, and economics, providing open-source infrastructure and research to democratize and distribute MEV fairly. Their market position is strong within the Ethereum ecosystem, supported by a suite of products such as MEV-Boost, BuilderNet, and Rollup-Boost, and a commitment to transparency and community collaboration. Technically, Flashbots employs modern web technologies including Next.js and React for their website, with backend components written in Rust for high-performance block building. They leverage Trusted Execution Environments (TEEs) and maintain a presence on GitHub, ensuring open-source transparency. Hosting is managed via Vercel, providing fast and mobile-optimized user experiences. The website is well-structured, accessible, and SEO-optimized. From a security perspective, the site enforces HTTPS, uses multiple security headers, and avoids exposing sensitive data. However, it lacks published privacy, cookie, and incident response policies, which are areas for improvement. No vulnerabilities or malicious content were detected. The WHOIS data is not publicly available, likely due to privacy protection, but the website's professional nature and community trust signals support its legitimacy. Overall, Flashbots presents a low-risk profile with a strong technical and business foundation. Strategic recommendations include publishing comprehensive privacy and cookie policies, establishing a formal incident response disclosure, and adding a security.txt file to enhance vulnerability reporting and transparency.

Detected Technologies

Next.jsReactRust (rbuilder)TEEs (Trusted Execution Environments)GitHub-hosted open sourceVercel Analytics

🧠AI Business Intelligence

Technology stack, business insights, and market analysis powered by AI.

Business Intelligence

Market & Strategic Analysis

Flashbots operates as a key player in the blockchain technology sector, focusing on MEV research and infrastructure. Their business model centers on open-source software development, ecosystem tooling, and research grants, targeting blockchain developers, validators, and DeFi participants. The organization benefits from partnerships with entities like Beaverbuild and Nethermind, enhancing its ecosystem reach. Growth indicators include continuous open-source releases, community engagement via forums and Discord, and pioneering products like MEV-Boost and BuilderNet. Their competitive advantage lies in their early and ongoing commitment to MEV transparency and mitigation, positioning them as thought leaders in blockchain consensus security.

Extracted Contact Information

Marketing Intelligence Data

Email Addresses (1)

j*****@flashbots.net

Security Posture Analysis

Comprehensive Security Assessment

Flashbots demonstrates a mature security posture with HTTPS enforcement, robust security headers, and no visible exposure of sensitive data. The open-source nature of their projects adds transparency and community scrutiny, enhancing security trustworthiness. However, the absence of publicly available privacy and cookie policies, incident response plans, and vulnerability disclosure mechanisms represents compliance gaps, particularly under GDPR and similar regulations. The organization should consider formalizing these policies and publishing a security.txt file to improve incident response readiness and user trust. No critical vulnerabilities or security misconfigurations were detected in the website content or infrastructure.

Strategic Recommendations

Priority Actions for Security Improvement

1

Publish a comprehensive privacy policy and cookie policy with clear consent mechanisms to ensure GDPR and global privacy compliance.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

Flashbots, Ltd

Description:

A research and development organization mitigating the negative externalities posed by Maximal Extractable Value (MEV) to stateful blockchains, starting with Ethereum.

Key Services:
MEV-BoostBuilderNetRollup-BoostProtect RPCMEV-ShareOpen research and grants
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
Next.jsReactRust (rbuilder)TEEs (Trusted Execution Environments)GitHub-hosted open sourceVercel Analytics
Frameworks:
Next.js
Platforms:
EthereumOP Stack (Optimism)
Performance:

fast

Mobile:

excellent

Accessibility:

good

SEO:

good

Security Assessment

Security Score:
90/100
Best Practices:
  • HTTPS enforced
  • Use of security headers
  • No exposed sensitive data in HTML
  • Open source transparency

Analytics & Tracking

Services:
Vercel Analytics
Tracking Level:minimal
Privacy Compliance:basic

Advertising & Marketing

Tracking Pixels:
Vercel Analytics
Transparency Level:good

Website Quality Assessment

Design Quality:excellent
User Experience:excellent
Content Relevance:excellent
Navigation Clarity:excellent
Professionalism:excellent
Trustworthiness:high

Key Observations

1

Website is a professional blockchain R&D organization focused on MEV mitigation.

🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

30/100
Score

Missing X-Frame-Options header

HIGH

Prevents clickjacking attacks

Missing X-Content-Type-Options header

MEDIUM

Prevents MIME type sniffing

Missing Content-Security-Policy header

HIGH

Controls resources the browser is allowed to load

Missing X-XSS-Protection header

MEDIUM

Legacy XSS protection (deprecated but still recommended)

Missing Referrer-Policy header

LOW

Controls referrer information sent with requests

Missing Permissions-Policy header

MEDIUM

Controls browser features and APIs

Sensitive data may be cached

LOW

Cache-Control header should include "no-store" for sensitive pages

👤GDPR Compliance

Privacy and data protection assessment under GDPR regulations.

GDPR Compliance

Privacy and data protection assessment

35/100
Score

No Privacy Policy found

HIGH

GDPR requires a clear and accessible privacy policy

No Cookie Policy found

HIGH

GDPR requires clear information about cookie usage

No Cookie Consent Banner found

HIGH

GDPR requires explicit consent for non-essential cookies

Third-party services without privacy policy

HIGH

Detected services: Twitter, YouTube

GDPR Compliance Analysis

Privacy Policy0% confidence
Cookie Policy0% confidence
Contact Information Found90% confidence
emailphone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

55/100
Score

No vulnerability disclosure policy

MEDIUM

NIS2 encourages coordinated vulnerability disclosure

No incident response procedures found

HIGH

NIS2 requires documented incident response and business continuity plans

No security contact information

HIGH

NIS2 requires clear incident reporting channels

No vulnerability reporting mechanism

MEDIUM

Clear vulnerability reporting supports coordinated disclosure

No NIS2 reference found

LOW

Consider explicitly mentioning NIS2 compliance efforts

📧Email Security

SPF, DKIM, and DMARC validation and email security assessment.

Email Security

SPF, DKIM, and DMARC validation

70/100
Score

No DKIM record found

MEDIUM

DKIM adds cryptographic signatures to emails

Strict DMARC Alignment

LOW

Strict alignment may cause legitimate emails to fail

No BIMI Record

LOW

BIMI displays brand logos in email clients

No MTA-STS Policy

MEDIUM

MTA-STS enforces TLS for email delivery

No TLS-RPT Record

LOW

TLS-RPT provides reporting for email TLS issues

SPF
Sender Policy Framework
DKIM
DomainKeys Identified Mail
DMARC
Domain-based Message Authentication
MX Records
Mail Exchange Records
BIMI
Brand Indicators
MTA-STS
Mail Transfer Agent Security
TLS-RPT
TLS Reporting
DNSSEC
DNS Security
SPF Details
Record:
v=spf1 include:_spf.mlsend.com include:_spf.google.com ~all
DNS Lookups:2/10
Policy:~all
DMARC Details
Policy:reject
Aggregate Reports:5699e3095d56.a@dmarcinput.com
Forensic Reports:5699e3095d56.f@dmarcinput.com

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

0/100
Score

Unable to retrieve SSL certificate

CRITICAL

Could not establish secure connection to retrieve certificate information

Mixed Content Detected

MEDIUM

2 resources loaded over insecure HTTP

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

85/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

CAA Records Not Configured

LOW

Certificate Authority Authorization (CAA) records not found

DNS Records

A Records:172.66.170.133, 104.20.21.179
AAAA Records:2606:4700:10::ac42:aa85, 2606:4700:10::6814:15b3
Name Servers:
rodney.ns.cloudflare.comDNS only
tricia.ns.cloudflare.comDNS only
MX Records:
1: aspmx.l.google.com
5: alt1.aspmx.l.google.com
5: alt2.aspmx.l.google.com
10: alt3.aspmx.l.google.com
10: alt4.aspmx.l.google.com

DNSSEC Status

DNSSEC Not Enabled

Network Security

Port scanning and network exposure analysis.

Network Security

Port scanning and network exposure analysis

100/100
Score

Good Network Security Posture

LOW

No unnecessary services detected on common risky ports

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

The website is built using modern web technologies including Next.js and React, hosted on Vercel for optimized performance and scalability. The technical infrastructure supports mobile responsiveness, accessibility, and SEO best practices. Backend components related to block building are implemented in Rust, leveraging Trusted Execution Environments for security. The site integrates Vercel Analytics for minimal user tracking. There is no evidence of technical debt or outdated libraries. Opportunities exist to improve compliance-related technical implementations such as cookie consent management and privacy policy integration.
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