# Web3 essentials for Web2 developers · Learn Chromia

> Learn Web3 fundamentals and Rell by building a book review dapp on Chromia.

Source: https://chromia.com/learn/web3-for-web2-devs/

[Learn](https://chromia.com/learn/)Web3 essentials for Web2 developers

# Web3 essentials for Web2 developers

From Web2 to Web3, written for web developers.

Beginner11 lessonsDapp

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1. [01Web3 essentials for Web2 developers](https://chromia.com/learn/web3-for-web2-devs/introduction/)
2. [02Traditional web app overview](https://chromia.com/learn/web3-for-web2-devs/classic-web2-stack/)
3. [03Chromia dapp overview](https://chromia.com/learn/web3-for-web2-devs/chromia-web3-stack/)
4. [04Comparing backends](https://chromia.com/learn/web3-for-web2-devs/compare-backend/)
5. [05Comparing frontends](https://chromia.com/learn/web3-for-web2-devs/compare-frontend/)
6. [06Authentication](https://chromia.com/learn/web3-for-web2-devs/compare-authentication/)
7. [07Web3 pros and cons](https://chromia.com/learn/web3-for-web2-devs/web3-benefits/)
8. [08Scalability](https://chromia.com/learn/web3-for-web2-devs/scalability/)
9. [09Security](https://chromia.com/learn/web3-for-web2-devs/security/)
10. [10Revenue streams and running costs](https://chromia.com/learn/web3-for-web2-devs/revenues-and-op-costs/)
11. [11Summary](https://chromia.com/learn/web3-for-web2-devs/summary/)