🚀 TG4G
DirectorySecurityshayan.es
🛡 Security 📍 HQ: Spain
S

shayan.es

Overall Rating
★★⯨☆☆ 5.0/10
China Access
★★☆ Basically usable
Data source
ai_refine · Last updated 2026-06-12

⚡ Score breakdown

5-dim weighted · /10
Performance25% 5.0
Value20% 5.0
China access20% 8.0
Reputation20% 5.2
Support15% 4.5

Dimension scores are derived from public data and fields; weighted into the composite. Reference only.

Editorial Highlights

Includes security, blockchain background, and projects.

In-Depth Review TG4G Review ·2026-06-10 · For reference only

What It Is

shayan.es is the personal website of Shayan Eskandari, rather than a typical cybersecurity product site. The content presents him as a senior security engineer, blockchain security researcher, and educator, with research focused on decentralized systems, smart contracts, Ethereum, staking infrastructure, and Web3 security. He has a PhD research background related to blockchain challenges, previously worked on Web3 code audits and security reviews at ConsenSys Diligence, served as CTO at Ether Capital, and is currently involved in Web3 security work at Creed.

Core Capabilities

From a cybersecurity perspective, the capabilities shown on the site are closer to expert consulting services: secure code review, smart contract audits, risk assessment, architecture design, and blockchain protocol research. His strength lies in combining academic research, hands-on audit experience, and Ethereum ecosystem expertise, covering security analysis across contract vulnerabilities, protocol risks, staking infrastructure, and governance issues. The site also mentions open-source contributions, talks, podcasts, hackathon mentoring, and education/training, indicating community influence and an ability to communicate knowledge effectively.

Pricing and Delivery

The website does not disclose pricing models, service packages, audit timelines, deliverable formats, vulnerability severity classification methods, or SLAs. As a result, its commercial service maturity cannot be assessed. If evaluating him as a security audit provider, prospective clients would need to further confirm the audit scope, quotation method, retesting arrangements, liability boundaries, and sample reports.

Pros and Cons

The main advantages are a strong personal track record, especially in Web3 security, smart contract audits, and Ethereum staking, along with a multidisciplinary background spanning research, engineering, and education. The drawback is that the site reads more like a personal portfolio and lacks the information typically required for enterprise procurement, such as compliance certifications, customer case studies, a management console, alerting mechanisms, integration capabilities, and support system details.

Who It Is For

It is better suited to Web3 projects, protocol teams, Ethereum staking infrastructure teams, and organizations that need high-level expert review, research collaboration, or security training. It is not suitable as a procurement target for standardized WAF, EDR, SOC, vulnerability management, or cloud security platforms.

Access from China

The site does not provide information about accessibility from mainland China, node deployment, or localized support. Its access status is therefore unknown.

⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on shayan.es official site.

About this entry

shayan.es is an Spain Security provider. TG4G tracks its product information, an overall rating of 5.0/10, and a China-accessibility score of Workable. Click "Visit Official Site" to reach shayan.es directly.

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Frequently Asked Questions

What is shayan.es?
shayan.es is a Spain-based Security provider. Includes security, blockchain background, and projects.
Is shayan.es good? Is it worth it?
shayan.es scores 5.0/10 on TG4G — a mixed rating, based in 西班牙. See the in-depth review below for pros, cons and China accessibility.
Is shayan.es usable in China?
shayan.es is basically usable in mainland China, though latency may vary by ISP and time of day; have a backup proxy ready. The provider is headquartered in Spain and primarily serves overseas markets.
How do I sign up for shayan.es?
Visit the shayan.es official site to complete sign-up. Registration typically requires an email (Gmail/Outlook recommended) and a payment method. Most overseas services accept credit card / PayPal / crypto. See the "Visit Official Site" button on this page for the direct link.

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