Learn in Bits

Build Decentralized Apps

Master Blockchain Development Through Daily Practice

Learn to build decentralized applications through bite-sized lessons. From smart contracts to DeFi, develop real-world Web3 skills.

5-15 min
Daily lessons
Hands-on
Practical focus
Real-world
Industry skills

Smart Contract Basics

Day 3 of 21

Path: Solidity Development ยท 12 minutes ยท Hands-on practice

  • Contract structure and syntax
  • State variables and functions
  • Deploying to testnets

Start Learning Today

Choose a specific skill to master. Each lesson is designed to teach you practical, hands-on techniques you can apply immediately.

๐Ÿ“œ

Smart Contract Basics

Write your first smart contracts in Solidity.

  • Syntax
  • Variables
  • Functions
โ›“๏ธ

Blockchain Fundamentals

Understand how blockchains work.

  • Consensus
  • Blocks
  • Transactions
๐Ÿ’ฐ

DeFi Protocols

Understand decentralized finance mechanisms.

  • AMMs
  • Lending
  • Yield Farming
๐ŸŽจ

NFT Development

Create and manage non-fungible tokens.

  • ERC-721
  • Metadata
  • Marketplaces
๐Ÿ”ง

Hardhat & Foundry

Use modern development tools for Ethereum.

  • Testing
  • Deployment
  • Debugging
๐ŸŒ

Web3.js & Ethers.js

Interact with blockchains from JavaScript.

  • Providers
  • Signers
  • Contract Calls
๐Ÿ”

Wallet Integration

Connect user wallets to your dApps.

  • MetaMask
  • WalletConnect
  • Account Management
โšก

Gas Optimization

Write efficient smart contracts.

  • Gas Costs
  • Storage Patterns
  • Optimization Tips
๐Ÿ›ก๏ธ

Smart Contract Security

Audit and secure your contracts.

  • Common Vulnerabilities
  • Reentrancy
  • Access Control
๐Ÿ”„

Token Standards

Implement ERC standards correctly.

  • ERC-20
  • ERC-721
  • ERC-1155
๐ŸŒ‰

Cross-Chain Development

Build applications that span multiple chains.

  • Bridges
  • Layer 2s
  • Interoperability
๐Ÿ“Š

The Graph & Indexing

Query blockchain data efficiently.

  • Subgraphs
  • GraphQL
  • Event Indexing
๐Ÿ—ณ๏ธ

DAOs & Governance

Build decentralized organizations.

  • Voting Systems
  • Proposals
  • Treasury Management
๐Ÿ”ฎ

Oracles & External Data

Bring real-world data on-chain.

  • Chainlink
  • Price Feeds
  • VRF
๐Ÿš€

dApp Deployment

Deploy your decentralized applications.

  • IPFS
  • Frontend Hosting
  • Contract Verification
๐Ÿ“œ

Smart Contract Basics

Write your first smart contracts in Solidity.

  • Syntax
  • Variables
  • Functions
โ›“๏ธ

Blockchain Fundamentals

Understand how blockchains work.

  • Consensus
  • Blocks
  • Transactions
๐Ÿ’ฐ

DeFi Protocols

Understand decentralized finance mechanisms.

  • AMMs
  • Lending
  • Yield Farming
๐ŸŽจ

NFT Development

Create and manage non-fungible tokens.

  • ERC-721
  • Metadata
  • Marketplaces
๐Ÿ”ง

Hardhat & Foundry

Use modern development tools for Ethereum.

  • Testing
  • Deployment
  • Debugging
๐ŸŒ

Web3.js & Ethers.js

Interact with blockchains from JavaScript.

  • Providers
  • Signers
  • Contract Calls
๐Ÿ”

Wallet Integration

Connect user wallets to your dApps.

  • MetaMask
  • WalletConnect
  • Account Management
โšก

Gas Optimization

Write efficient smart contracts.

  • Gas Costs
  • Storage Patterns
  • Optimization Tips
๐Ÿ›ก๏ธ

Smart Contract Security

Audit and secure your contracts.

  • Common Vulnerabilities
  • Reentrancy
  • Access Control
๐Ÿ”„

Token Standards

Implement ERC standards correctly.

  • ERC-20
  • ERC-721
  • ERC-1155
๐ŸŒ‰

Cross-Chain Development

Build applications that span multiple chains.

  • Bridges
  • Layer 2s
  • Interoperability
๐Ÿ“Š

The Graph & Indexing

Query blockchain data efficiently.

  • Subgraphs
  • GraphQL
  • Event Indexing
๐Ÿ—ณ๏ธ

DAOs & Governance

Build decentralized organizations.

  • Voting Systems
  • Proposals
  • Treasury Management
๐Ÿ”ฎ

Oracles & External Data

Bring real-world data on-chain.

  • Chainlink
  • Price Feeds
  • VRF
๐Ÿš€

dApp Deployment

Deploy your decentralized applications.

  • IPFS
  • Frontend Hosting
  • Contract Verification

Learn Blockchain & Web3 Your Way

Structured lessons, practical exercises, and consistent progress tracking to help you master blockchain & web3 at your own pace.

๐ŸŽฏ

Build Real dApps

Create decentralized applications on testnets.

๐Ÿ“Š

Track Progress

Monitor your skills across Web3 technologies.

๐Ÿš€

Industry Ready

Learn skills demanded by blockchain companies.

Ready to Start Your Blockchain & Web3 Journey?

Join learners building real blockchain & web3 skills through daily practice. Start with any topic and progress at your own pace.