
Learn JavaScript
Learn Git Branching
Deno
Bun.sh
Bootstrap
Learn in an interactive environment.

Pocket Universe
Revoke.cash
Web3Antivirus.io
phishield
Signed Pages
Wallet Guard App
Protect your Web3 assets before you sign. Messiah scans sites, intercepts wallet signing requests, and checks addresses — detecting phishing and drainers in real time.

Which is more popular?
Based on our record, React Tutorial seems to be more popular. It has been mentioned 18 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | react-tutorial.app | onesavie.com |
| Pricing | — | |
| Company | — | Startup from Taiwan · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of React Tutorial yet.
Messiah is a browser extension that protects your Web3 assets by detecting threats in real time — before you sign anything. Site Scan — Run a scan before connecting your wallet. Messiah extracts the page structure, visible text, and external resources, then runs an AI analysis to detect: Phishing...
What each product offers, as listed by its team.


No features have been listed yet.
An editorial look at what each product does well and who it suits.


No analysis of React Tutorial yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
React Tutorial for Beginners
No Messiah videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing React Tutorial and Messiah.
Messiah's answer:
Messiah protects the exact moment a user gets deceived. Beyond domain blocklists, it:
Messiah's answer:
Most tools rely on blocklists or transaction simulation alone. Messiah combines both with AI content analysis:
We benchmarked it against 100 live scam sites (90% detection) and published the gaps we found — so you know exactly what it catches and what it doesn't.
Messiah's answer:
Messiah's answer:
Messiah was born from the $1.5B Bybit hack — the largest crypto theft in history, executed through a compromised front-end that made signers approve something they couldn't see.
At ETHGlobal Taipei 2025, our team built a proof-of-concept recreating that exact attack: a simulated wallet front-end with injected malicious logic, and an AI pipeline that analysed the front-end JavaScript to catch it. The project won the HashKey Chain Award (On-Chain Infrastructure Compliance Innovation) and the Celo L2 Pool Prize.
We then joined Cyberport's Web3 Pilot Scheme and spent months turning the PoC into a real product — benchmarking it against 100 live scam sites and publishing what it caught and what it missed — before launching on the Chrome Web Store.
Messiah's answer:
Messiah's answer:
Share your experience with using React Tutorial and Messiah. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I just wanted to know if anybody took both or the react-tutorial.app course. I mostly like the flashcards part of the course. I was thinking of taking the Scrimba course and just using the other courses study materials. Source: about 3 years ago
The Jad Joubran courses on the other hand really upped my skill level and helped me make the jump from passive learning, exercises and very small projects to making legitimate web apps. That was probably the biggest/scariest jump I've... Source: over 3 years ago
I learned through https://react-tutorial.app/ and absolutely loved it. I'm also a hands-on guy. Source: over 3 years ago
Tracking Messiah since Jul 2026.
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To use Ethereum tokens in DeFi you have to grant an allowance to spend tokens on your behalf.
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A secure runtime for JavaScript and TypeScript built with V8, Rust, and Tokio.
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Navigate Web3 safely with our AI- and human-powered extension that audits smart contracts and domain names on the go, detects if they carry suspicious logic or are associated with malicious activity, and sends you corresponding alerts.
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