What is the price of the Training Web3.js - Master Ethereum DApps in 5 Days training?

The price of the Training Web3.js - Master Ethereum DApps in 5 Days training is 5250 € HT. This includes access to all modules, training materials and personalized support. Funding solutions are available through OPCO.

Is the training Qualiopi certified?

Yes, Learni is a Qualiopi-certified training organization. This certification guarantees the quality of our courses and enables funding through OPCO and other mechanisms.

What is the duration of the Training Web3.js - Master Ethereum DApps in 5 Days training?

The Training Web3.js - Master Ethereum DApps in 5 Days training takes place over 35 hours. The program is structured in progressive modules for optimal skill development.

How can I fund my training?

Our courses are eligible for OPCO funding. Learni supports you through the funding process. A personalized quote is available upon request.

What are the prerequisites for this training?

The prerequisites for the Training Web3.js - Master Ethereum DApps in 5 Days training are: Mastery of JavaScript ES6+, basic knowledge of Ethereum and smart contracts, Node.js installed.. A preliminary interview validates your eligibility.

Is the training available in person?

Yes, the Training Web3.js - Master Ethereum DApps in 5 Days training is available in remote. The format can be adapted to your needs (inter, intra, custom).

Training Web3.js - Master Ethereum DApps in 5 Days | Learni

The story of Learni

Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.

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Methods, approaches, and teaching resources

The Training Web3.js - Master Ethereum DApps in 5 Days training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.

The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.

Teaching resources provided

To ensure the quality of the Training Web3.js - Master Ethereum DApps in 5 Days training, Learni provides the following teaching resources:

Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, video projector or interactive touchscreen (for remote sessions)
Training environments installed on workstations or accessible online
Course materials, practical exercises, and supplementary resources
Post-training access to materials and teaching resources

For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.

* contact us for remote feasibility** ratio varies depending on the training followed

Assessment methods

The assessment of skills acquired during the Training Web3.js - Master Ethereum DApps in 5 Days training is carried out through:

During training: case studies, practical exercises, and professional scenarios
At the end of training: self-assessment questionnaire and skills evaluation by the trainer
After training: training completion certificate detailing acquired skills

Training accessibility

Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.

Training access terms and deadlines

Training objectives

Install and configure Web3.js with Ethereum providers

Manage accounts, private keys, and secure transactions

Interact with smart contracts via ABI and calls

Subscribe to events and blockchain logs in real-time

Develop and integrate frontend-backend DApps

Debug common errors and optimize gas fees

Deploy Web3 applications on live testnets

Training program

Module 1Web3.js Fundamentals: Installation, Providers, and First Blockchain Interactions

Dive into Web3.js by installing the library via npm, configure Infura and Alchemy providers to connect to Ethereum nodes, perform practical exercises reading ETH and ERC20 token balances on Sepolia testnets, create your first automated scripts that query the blockchain live, obtain deliverables like a basic network stats dashboard, all to boost your immediate confidence.

Module 2Web3.js Accounts and Transactions: Signatures, Sending, and Monitoring

Master Web3.js account management by importing private keys, sign and send ETH/ERC20 transactions via real exercises on Goerli, simulate gas estimations to avoid overcosts, integrate MetaMask for interactive wallets, develop an automated transfer bot with confirmation callbacks, produce deliverables like a reusable transactional module, experience the thrill of secure live transactions.

Module 3Web3.js Smart Contracts: ABI, Read/Write Calls, and Deployments

Dive into ABIs to instantiate Solidity contracts with Web3.js, practice gas-free read-only calls and write transactions, deploy simple contracts from Node.js scripts on Remix, code complex interactions like NFT minting via guided exercises, test on mainnet forks, generate deliverables such as a full-stack contract client, feel the power of controlling DeFi live.

Module 4Web3.js Events and Filters: Real-Time Listening and Data Streams

Subscribe to smart contract events using Web3.js filters and WebSocket subscriptions, capture transfer/approval logs live on Polygon Mumbai, analyze data via ABI decoding, integrate into React apps for dynamic UI updates, practice on real cases like trading alerts, produce an interactive events dashboard as a deliverable, discover the magic of real-time blockchain.

Module 5Advanced Web3.js DApps: Integration, Debugging, and Optimization

Build a complete Web3.js DApp with Vue.js frontend and Express backend, optimize batch calls to reduce latency, debug provider/ABI errors via console and logs, secure against reentrancy, deploy on Vercel with IPFS pinning, finalize with a personal capstone project evaluation, leave with a pro portfolio and certificate, ready to conquer Web3.