
Codecademy
Exercism
LeetCode
Treehouse
edX
Coursera
Udemy
Achieve code mastery through challenge.

Blockchair
3xpl
DefiLlama
Blockchain - Bitcoin Block Explorer
Sealby
Anyblock Analytics
AIDYOR
Etherscan China allows you to explore and search the Ethereum blockchain for transactions, addresses, tokens, prices and other activities taking place on Ethereum (ETH)

Which is more popular?
Based on our record, Codewars seems to be a lot more popular than Etherscan. While we know about 160 links to Codewars, we've tracked only 4 mentions of Etherscan.
Website, pricing, platforms and company facts side by side.
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| Website | codewars.com | etherscan.io |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Codewars is recommended for beginner to advanced programmers who enjoy learning through practice and are interested in improving their algorithmic thinking and coding skills in a gamified environment. It is particularly beneficial for those preparing for coding interviews or seeking to reinforce their programming knowledge in a fun and interactive way.
No analysis of Etherscan yet.
Walkthroughs and reviews on video.
Codewars Review & Tips
More videos
HOW TO USE ETHERSCAN: A BRIEF OVERVIEW
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Codewars and Etherscan. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Edabit offers a learning experience similar to learning a new language, focusing on smaller and more frequent exercises that build proficiency over time. Like Codewars, Edabit provides many challenges that increase in...
In conclusion, while Leetcode remains a valuable resource for coders, the platforms listed above offer varied approaches to learning and improving coding skills. Whether you're drawn to the gamified learning...
This LeetCode alternative has excellent features for anyone looking to sharpen their coding skills. Codewars uses kata, which are small coding exercises that are community developed to help you master your language of...
We have no reviews of Etherscan yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Recently, I was working on a coding kata on codewars.com. Early on, I started thinking that a potential solution might utilize recursion, a concept that involves a function calling itself. However, I quickly realized that my grasp of... - Source: dev.to / almost 3 years ago
Get more involved. Look into internships and junior SWE positions to get a sample of what you'd be applying for once you graduate. Solve coding challenges, start working on a portfolio of your personal works. I recommend codewars.com for... Source: almost 3 years ago
I'd recommend to play around with some basic coding challenges on leetcode.com or codewars.com. If the course prepared you well you won't find this useful, but playing around with them will make sure that you are comfortable with basics... Source: about 3 years ago
Onchain: Wallet activity and onchain transactions (Etherscan). - Source: dev.to / 6 months ago
Etherscan data shows that roughly 12% of failed transactions on Ethereum in 2025 ran out of gas. Multi-hop swap routes use significantly more gas than simple transfers. A direct ETH-to-USDC swap might use 150,000 gas, while a three-hop... - Source: dev.to / 6 months ago
Etherscan and its multi-chain variants (Arbiscan, Basescan, Polygonscan) provide block explorer APIs that are essential for AI agent verification and monitoring. With over 5 million daily active users across its explorer products,... - Source: dev.to / 6 months ago
When comparing Codewars and Etherscan, you can also consider the following products.

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Download and solve practice problems in over 30 different languages.
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Fastest ad-free universal block explorer. Private, open-source, academic-friendly.
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Practice and level up your development skills and prepare for technical interviews.
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Defi Llama is a dashboard that provides cross-chain data on the state of Decentralized Finance.
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