15 Best Crypto Courses for Trading to Consider in 2026

The best Solidity courses in 2026 range from free, project-based platforms like Cyfrin Updraft, CryptoZombies, and Speed Run Ethereum to paid bootcamps like RareSkills and Metana, plus security-focused programs like Secureum. Whether you are a complete beginner or an engineer moving into smart contract security, there is a course matched to your level and budget.

Solidity is the primary programming language for writing smart contracts on Ethereum and other EVM-compatible blockchains, and demand for skilled Solidity developers remains strong. But with hundreds of courses online, choosing the right one is hard. This guide compares 15 of the best Solidity courses of 2026, verified as real and active, with the price, level, and focus of each so you can pick the one that fits your goals.

This article is for informational purposes and is not affiliated with the courses listed. Prices, levels, and availability change often, so confirm details on each provider’s website before enrolling.

Why Learn Solidity in 2026?

Solidity is the backbone of smart contract development, and learning it opens the door to a fast-growing field.

Smart contracts are self-executing programs that power decentralized applications, DeFi protocols, NFTs, and increasingly AI agents that transact on-chain. Because Solidity runs on Ethereum and every EVM-compatible chain, one language unlocks a huge ecosystem. For developers, that means strong career demand across DeFi, gaming, enterprise blockchain, and Web3 startups.

The takeaway is that Solidity remains one of the highest-leverage skills in blockchain, and the right course can take you from zero to job-ready.

How We Chose These Solidity Courses

Each course below was selected on real, current availability, the quality and depth of its instruction, hands-on practice, and its fit for a specific type of learner. The list deliberately spans free and paid options, beginner to advanced levels, and both general development and specialized security tracks, so every learner can find a match. Every entry links to its official site so you can verify the latest details yourself.

Also Read: Top 7 Blockchain Developer Courses to Watch this Year

The 15 Best Solidity Courses in 2026

Solidity is the leading programming language for building smart contracts on Ethereum and other EVM-compatible blockchains. The right course can help you master everything from basic syntax to advanced security and decentralized application development. We compared the top learning options based on curriculum quality, practical projects, instructor expertise, and value. Here are the 15 strongest Solidity courses in 2026, starting with the most comprehensive free platform.

1. Cyfrin Updraft

Price: Free | Level: Beginner to advanced

Website: updraft.cyfrin.io

Cyfrin Updraft is widely regarded as the leading Solidity and smart contract learning platform in Web3, offering over 90 hours of hands-on video and written lessons. It is built and taught by some of the world’s top smart contract engineers and security researchers, and it takes complete beginners all the way through to advanced auditors on a single, structured platform. Its content is continuously refreshed to reflect the exact tools used at leading protocols today, which is why many consider it the most up-to-date resource available.

Why it stands out:

• Taught by industry-leading Solidity engineers and professional security researchers.
• Continuously updated with modern tooling like Foundry, rather than outdated tutorials.
• Has onboarded hundreds of thousands of students, many now working as professional Web3 developers.
• Completely free, in both video and written formats, with a clear beginner-to-advanced path.

What you’ll learn:

• Solidity smart contract development from first principles
• Foundry testing, scripting, and deployment
• Web3 frontend development with ethers and web3.js
• Smart contract auditing and security fundamentals
• Testing, fuzzing, and formal verification
• Wallets, RPC, oracles, account abstraction, and stablecoins
• DeFi, DAOs, and NFTs
• Zero-knowledge (ZK) concepts

2. CryptoZombies

Price: Free | Level: Beginner

Website: cryptozombies.io

CryptoZombies is one of the most beginner-friendly ways to learn Solidity, teaching the language by having you build a zombie-themed game step by step, entirely in the browser. As the original interactive Solidity tutorial, it has taught hundreds of thousands of new developers and remains a favorite first stop because it makes abstract concepts tangible through gameplay. Each lesson introduces a new concept and immediately applies it to your growing zombie dApp, so you learn by doing rather than just watching.

Why it stands out:

• Gamified, in-browser lessons that require no setup to start.
• One of the most popular entry points into Solidity, with a huge user base.
• Immediate, hands-on application of every concept you learn.

What you’ll learn:

• Solidity syntax, data types, and contract structure
• Functions, mappings, structs, and events
• Inheritance and contract interaction
• Building and deploying a simple blockchain-based game
• Core dApp fundamentals

3. Speed Run Ethereum

Price: Free | Level: Beginner to intermediate

Website: speedrunethereum.com

Speed Run Ethereum, built by the respected BuidlGuidl community, teaches Solidity and Ethereum development through a series of real, hands-on challenges rather than passive lessons. You build actual applications using Scaffold-ETH, a powerful open-source toolkit, and unlock new challenges as you complete each one, earning proof of completion along the way. It is ideal for developers who learn best by shipping working projects and getting feedback from an active community of builders.

Why it stands out:

• Challenge-based, project-first learning that produces a real portfolio.
• Built on Scaffold-ETH, with features like contract hot reload and a local faucet.
• Backed by BuidlGuidl, a strong community of professional Ethereum developers.

What you’ll learn:

• Solidity smart contract development through real challenges
• Web3 frontend development with Scaffold-ETH
• Deploying and interacting with contracts
• Building staking apps, tokens, NFTs, and DEXs
• Practical, production-style development workflows

4. Alchemy University

Price: Free | Level: Beginner to intermediate

Website: university.alchemy.com

Alchemy University offers immersive, interactive courses and bootcamps that teach Solidity and blockchain development through in-browser coding, real projects, and certifications, all for free. Backed by Alchemy, a major Web3 infrastructure provider, it is designed as a structured, guided path that takes motivated beginners toward job-ready skills. The hands-on, code-in-the-browser approach keeps learners engaged while covering both the fundamentals and the tooling used in professional development.

Why it stands out:

• Free, structured bootcamp-style curriculum with certifications.
• Interactive in-browser coding rather than passive video.
• Backed by a leading Web3 infrastructure company.

What you’ll learn:

• Solidity smart contract development
• Blockchain and Ethereum fundamentals
• JavaScript and cryptography for Web3
• Building and deploying full dApps
• Working with Ethereum development tools

5. Ethereum and Solidity: The Complete Developer’s Guide

Price: Paid (often discounted on Udemy) | Level: Beginner to intermediate

Website: udemy.com

Stephen Grider’s Udemy course is one of the most popular and highly rated paid Solidity courses ever made, walking you through building complete decentralized applications from the ground up. It is known for its clear, methodical teaching style, covering not just Solidity but also the full stack needed to ship a dApp, including React frontends that connect to your contracts. With lifetime access and regular updates, it remains a go-to for beginners who want a thorough, structured video course.

Why it stands out:

• One of the best-selling, highest-rated crypto development courses on Udemy.
• Covers full-stack dApp development, not just Solidity in isolation.
• Clear, methodical instruction ideal for structured learners.

What you’ll learn:

• Solidity syntax and smart contract design
• Contract testing and deployment workflows
• Building React frontends that interact with contracts
• Working with development tools and test networks
• Complete, end-to-end dApp projects

6. RareSkills

Price: Paid (premium bootcamp) | Level: Intermediate to advanced

Website: rareskills.io

RareSkills, led by well-known instructor Jeffrey Scholz, is a rigorous, cohort-based bootcamp built for experienced developers moving into advanced Solidity, security, and zero-knowledge topics. It is one of the most respected paid programs for engineers who already know the basics and want to reach a professional or specialist level. Beyond its paid cohorts, RareSkills publishes a library of highly regarded free books and articles on advanced blockchain topics, which serve as some of the best deep-dive references available.

Why it stands out:

• Advanced, cohort-based training with close instructor guidance.
• Deep focus on security, gas optimization, and zero-knowledge proofs.
• Publishes respected free advanced resources alongside paid cohorts.

What you’ll learn:

• Advanced Solidity and the EVM
• Gas optimization techniques
• Smart contract security and common vulnerabilities
• Zero-knowledge proofs and advanced cryptography
• Professional-grade development practices

7. Solidity by Example

Price: Free | Level: Beginner to intermediate

Website: solidity-by-example.org

Solidity by Example is a minimalist, code-first reference site that provides clean, concise snippets for a huge range of common Solidity patterns and functions. Rather than a structured course, it is a fast, practical reference that developers return to constantly to see exactly how to implement something, from a basic contract to a reentrancy guard. In 2026 it remains one of the most-used Solidity references on the internet precisely because it strips away theory and shows working code.

Why it stands out:

• Clear, copy-ready code examples for nearly every common pattern.
• No fluff, ideal for quick reference during development.
• Covers security patterns and advanced techniques, not just basics.

What you’ll learn:

• Core Solidity patterns and syntax by example
• Common design patterns like factories and proxies
• Security patterns such as reentrancy guards
• Practical implementations of frequently used functions

8. freeCodeCamp Solidity Courses

Price: Free | Level: Beginner to advanced

Website: freecodecamp.org

freeCodeCamp hosts some of the most-watched free Solidity courses on the internet, most notably the marathon-length lessons by Patrick Collins that take learners from absolute beginner to confident smart contract developer. These courses are comprehensive, professionally taught, and completely free, covering modern tooling like Foundry and Hardhat alongside core Solidity. Because they are long-form and project-based, they are ideal for self-motivated learners who want depth without paying anything.

Why it stands out:

• Extremely thorough, long-form courses taught by industry professionals.
• Completely free, with a huge and active learner community.
• Covers modern professional tooling and real projects.

What you’ll learn:

• Solidity from scratch to advanced
• Foundry and Hardhat development environments
• Testing, deployment, and scripting
• Building DeFi, NFT, and DAO projects
• End-to-end smart contract development workflows

Also Read: 7+ Best Blockchain Education Courses To Consider this Year

9. Coursera Blockchain Specialization

Price: Paid (subscription, with audit option) | Level: Beginner to intermediate

Website: coursera.org

The Blockchain Specialization from the University at Buffalo, offered on Coursera, provides a university-backed, structured path through Ethereum and Solidity smart contract development. It is a strong choice for learners who value academic rigor, a clear curriculum, and a shareable certificate to add to a résumé or LinkedIn profile. The specialization includes hands-on projects that let you apply the concepts, and it can be audited for free or taken with a subscription for the certificate.

Why it stands out:

• University-backed curriculum with a recognized certificate.
• Structured, sequential learning with graded projects.
• Free audit option for those who do not need the certificate.

What you’ll learn:

• Blockchain and Ethereum fundamentals
• Solidity programming and smart contract design
• Decentralized application development
• Smart contract security and design patterns

10. Secureum

Price: Free | Level: Advanced

Website: secureum.xyz

Secureum is the leading free resource for those focused specifically on smart contract security and auditing, and its competitive “Race” events have become an unofficial entrance exam for the auditing industry. Its curriculum is academic, dense, and highly technical, assuming you already know Solidity well and want to master finding vulnerabilities in complex codebases. For aspiring auditors and security researchers, it is one of the most respected paths available.

Why it stands out:

• The go-to resource for smart contract auditing and security.
• Competitive Race events that rank you against other researchers.
• Deep, exploit-focused curriculum used to break into the audit industry.

What you’ll learn:

• Common and advanced smart contract vulnerabilities
• Auditing methodologies and techniques
• Security best practices for Solidity
• Exploits, MEV, and adversarial thinking

11. OpenZeppelin Ethernaut

Price: Free | Level: Intermediate to advanced

Website: ethernaut.openzeppelin.com

Ethernaut is a Web3 wargame from OpenZeppelin, the team behind the industry-standard secure contract libraries, where you learn security by hacking deliberately vulnerable smart contracts level by level. Each level presents a contract with a flaw you must find and exploit to advance, teaching you to think like an attacker, which is the fastest way to learn to write secure code. It is a hands-on, addictive complement to any structured course and a favorite among developers serious about security.

Why it stands out:

• Learn security by actually exploiting vulnerable contracts.
• Created by OpenZeppelin, the standard for secure Solidity.
• Free, gamified, and progressively challenging.

What you’ll learn:

• Common Solidity vulnerabilities and attack vectors
• How exploits work in practice
• Secure coding patterns and defenses
• An attacker’s mindset for writing safer contracts

12. Udacity Blockchain Developer Nanodegree

Price: Paid (subscription) | Level: Intermediate

Website: udacity.com

The Udacity Blockchain Developer Nanodegree is a structured, project-based program that teaches Ethereum and Solidity through a series of real-world dApp projects, with mentor support, code reviews, and a completion certificate. It is a serious commitment aimed at learners who want a guided, career-oriented path rather than piecing together free resources. The emphasis on building and submitting real projects, with feedback, is what distinguishes it from lighter courses.

Why it stands out:

• Structured, mentored program with real project reviews.
• Career-oriented, with a recognized Nanodegree certificate.
• Hands-on projects after every major module.

What you’ll learn:

• Blockchain and Ethereum fundamentals
• Solidity and smart contract development
• Building and deploying multiple dApps
• Working with development tools and testing

13. LearnWeb3

Price: Free | Level: Beginner to advanced

Website: learnweb3.io

LearnWeb3 offers structured, community-driven tracks that take developers from beginner to advanced Web3 and Solidity skills, entirely for free. Organized into leveled paths, it lets you progress systematically while learning alongside a large, supportive community of fellow builders. The combination of a clear curriculum, real projects, and an active community makes it a standout free option for those who want structure without cost.

Why it stands out:

• Free, leveled tracks from beginner to advanced.
• Large, active community for support and collaboration.
• Project-based learning across DeFi, NFTs, and more.

What you’ll learn:

• Solidity and smart contract development
• dApp development and Web3 tooling
• DeFi and NFT project building
• Advanced Web3 concepts across structured tracks

14. Metana

Price: Paid (bootcamp) | Level: Beginner to advanced

Website: metana.io

Metana is a Web3 and Solidity bootcamp designed to take learners to a job-ready level through a structured curriculum, real projects, and career support. It suits people who want an intensive, guided, outcome-focused program rather than self-paced study, and it emphasizes building a portfolio and preparing for employment. As a paid bootcamp, it is a bigger investment, but it targets those making a serious career transition into Web3 development.

Why it stands out:

• Intensive, guided bootcamp with a job-ready focus.
• Career support and portfolio-building projects.
• Structured curriculum for a full career transition.

What you’ll learn:

• Solidity and smart contract development
• Full-stack Web3 development
• Real-world portfolio projects
• Career preparation and job support

15. Moralis Academy

Price: Paid (subscription) | Level: Beginner to advanced

Website: academy.moralis.io

Moralis Academy offers a large library of blockchain and Solidity courses spanning fundamentals to advanced topics, backed by a strong community and structured learning paths. It functions like a subscription-based university for Web3, letting you move across many courses as your interests and skills grow. For learners who want breadth as well as depth, and prefer an all-access model, it is a well-established option.

Why it stands out:

• Broad library covering many blockchain and Solidity topics.
• Structured learning paths plus an active community.
• Subscription model with access to many courses.

What you’ll learn:

• Solidity programming and smart contracts
• Ethereum and multi-chain development
• DeFi, NFTs, and broader blockchain skills
• Structured paths from beginner to advanced

Best Solidity Courses: Comparison Table

Also Read: Top 10 Blockchain Developer Courses to Consider this Year

How Do You Choose the Right Solidity Course?

Start with your level and budget. Complete beginners on a budget do well starting with CryptoZombies, Cyfrin Updraft, or Speed Run Ethereum, all free and hands-on. Developers wanting a structured, certificated path may prefer Coursera, Udacity, or Metana. Those moving into smart contract security should look at Secureum and Ethernaut, while experienced engineers seeking depth choose RareSkills.

Whatever you pick, the real learning comes from building. Pair any course with constant practice, and get comfortable with smart contract development tools like Foundry, Hardhat, and Remix, since hands-on coding is what turns knowledge into skill. The takeaway is to match the course to your level and goal, then build real projects to cement what you learn.

Conclusion

The best Solidity course in 2026 is the one that matches your level, budget, and goals. Free platforms like Cyfrin Updraft, CryptoZombies, and Speed Run Ethereum are ideal for beginners, structured programs like Coursera, Udacity, and Metana suit those wanting a guided path with a certificate, and Secureum and Ethernaut lead for security-focused learners.

Whichever you choose, remember that mastering Solidity comes from building. Take a course, write real smart contracts, and deploy them on an EVM-compatible network, such as an AI-native blockchain like HeLa, to put your skills into practice. Start with one course that fits you, commit to hands-on projects, and you will be well on your way to becoming a smart contract developer.