Acrosys Technologies

Blockchain Technology Course

Duration: 4 Months / 16 Weeks
Level: Beginner to Job-Ready
Technology Stack: Blockchain Fundamentals, Cryptography, Bitcoin, Ethereum, Solidity, Smart Contracts, Web3.js, Ethers.js, MetaMask, Remix IDE, Node.js, React, IPFS, Hardhat, Git and GitHub

Month 1: Blockchain and Cryptocurrency Foundations

Introduction to blockchain technology
History and evolution of blockchain
Centralized, decentralized and distributed systems
Blockchain architecture
Blocks and transactions
Nodes and network participants
Distributed ledger technology
Blockchain consensus concepts
Public and private blockchains
Permissioned and permissionless networks
Blockchain use cases
Advantages and limitations
Blockchain terminology
Wallets and digital assets
Cryptocurrency fundamentals

Practical: Create and explore a blockchain transaction using a public blockchain explorer.

Introduction to cryptography
Symmetric and asymmetric encryption
Hash functions
SHA-256
Hash properties
Digital signatures
Public and private keys
Elliptic Curve Cryptography concepts
Wallet addresses
Transaction signing
Message authentication
Merkle trees
Cryptographic security
Common blockchain security risks

Mini-project: Build a simple hashing and digital-signature demonstration.

Introduction to Bitcoin
Bitcoin architecture
Bitcoin transactions
UTXO model
Bitcoin wallets
Mining fundamentals
Proof of Work
Block creation
Block rewards
Transaction fees
Bitcoin network
Blockchain confirmations
Bitcoin security
Bitcoin vs traditional currency
Cryptocurrency exchanges

Mini-project: Analyze Bitcoin transactions using a blockchain explorer.

Introduction to Ethereum
Ethereum architecture
Ethereum accounts
Externally Owned Accounts
Contract accounts
Ether and gas
Ethereum transactions
Blocks and validators
Proof of Stake concepts
Ethereum Virtual Machine
Smart contract fundamentals
Web3 concepts
Decentralized applications
Test networks

Mini-project: Create an Ethereum wallet and perform test-network transactions.

Month 2: Solidity and Smart Contract Development

Introduction to Solidity
Solidity development environment
Remix IDE
Smart contract structure
Variables and data types
State variables
Local variables
Constants
Operators
Conditional statements
Loops
Functions
Function parameters
Return values
Visibility modifiers
View and pure functions
Constructor functions

Practical: Create a basic Solidity calculator and student-record smart contract.

Arrays
Structs
Mappings
Enums
Events
Modifiers
Inheritance
Interfaces
Libraries
Abstract contracts
Payable functions
Receiving Ether
Fallback functions
Memory and storage
Calldata
Error handling
Require and revert
Custom errors

Mini-project: Build a decentralized employee and payroll smart contract.

Smart contract development workflow
Compiling Solidity contracts
Deploying contracts
Contract addresses
Gas estimation
Transaction costs
Contract interaction
Remix debugging tools
Smart contract testing concepts
Unit testing
Test cases
Assertions
Hardhat introduction
Local blockchain networks
Development accounts

Practical: Develop, test and deploy a smart contract on a local blockchain network.

Introduction to blockchain tokens
Fungible and non-fungible tokens
ERC-20 standard
ERC-721 standard
ERC-1155 concepts
Token supply
Minting
Burning
Token transfers
Token approvals
Token ownership
NFT metadata
NFT images and assets
IPFS introduction
OpenZeppelin libraries

Mini-project: Create an ERC-20 token and a basic NFT smart contract.

Month 3: Web3, DApp and Blockchain Application Development

Introduction to Web3 development
Web3.js fundamentals
Ethers.js fundamentals
Providers
Signers
Wallet connections
Connecting to Ethereum networks
Reading blockchain data
Sending transactions
Calling smart contract functions
Sending contract transactions
Gas estimation
Transaction receipts
Event listening
Contract ABI

Mini-project: Build a Web3 wallet balance and transaction viewer.

Introduction to MetaMask
Wallet connection
Network switching
Account detection
Wallet events
Connecting front-end applications
Smart contract integration
Reading contract data
Writing contract data
Transaction confirmation
Handling rejected transactions
Gas errors
Blockchain error handling
DApp architecture

Project: Build a decentralized voting DApp.

React fundamentals for DApp development
Creating a React application
Components and JSX
Props and state
Hooks
useState
useEffect
Wallet connection UI
Integrating Ethers.js with React
Connecting smart contracts
Displaying blockchain data
Transaction forms
Loading states
Error handling
Reusable Web3 components

Mini-project: React-based cryptocurrency wallet dashboard.

Introduction to decentralized storage
IPFS fundamentals
Content addressing
IPFS nodes
Uploading files to IPFS
IPFS hashes
NFT metadata
Connecting NFTs with IPFS
Decentralized application assets
Pinning services concepts
Blockchain and IPFS integration
NFT marketplace architecture
Metadata JSON structure

Mini-project: Build an NFT gallery using React, Solidity and IPFS.

Month 4: Advanced Blockchain Development and Final Project

Smart contract security principles
Common smart contract vulnerabilities
Reentrancy attacks
Integer overflow and underflow concepts
Access control vulnerabilities
Front-running concepts
Denial of service risks
Oracle manipulation concepts
Secure coding practices
OpenZeppelin security tools
AccessControl
Ownable contracts
Pausable contracts
Contract auditing fundamentals
Security testing

Practical: Perform a security review of a sample smart contract.

Introduction to Decentralized Finance
DeFi architecture
Decentralized exchanges
Liquidity pools
Automated Market Makers
Lending and borrowing protocols
Stablecoin concepts
Yield concepts
Oracles
DAO fundamentals
Governance tokens
Blockchain bridges concepts
Layer 1 and Layer 2 concepts
Gas optimization
Blockchain scalability

Mini-project: Build a simple decentralized token staking application.

Git fundamentals
GitHub repositories
Commit and push workflow
Branching and merging
Managing blockchain projects with Git
Hardhat project structure
Automated smart contract testing
Deployment scripts
Environment variables
Testnet deployment
Contract verification concepts
DApp production build
Frontend deployment
Blockchain RPC configuration
Production security checklist

Practical: Deploy a complete DApp to a blockchain test network and publish the frontend.

Students will create a complete decentralized application containing:

Responsive React front end
Solidity smart contracts
Ethereum-compatible blockchain integration
MetaMask wallet connection
Smart contract deployment
Transaction processing
Blockchain data display
User wallet management
Role or ownership controls
Events and transaction history
Token or NFT functionality
IPFS integration where applicable
Web3.js or Ethers.js integration
Smart contract testing
Security validation
GitHub repository
Testnet deployment
Final project presentation

Suggested Final Projects

Decentralized Voting System
Blockchain-Based Certificate Verification System
NFT Marketplace
Cryptocurrency Wallet Application
Decentralized Crowdfunding Platform
Supply Chain Tracking System
Digital Identity Verification System
Real Estate Tokenization Platform
Decentralized Employee Payroll System
DeFi Staking Application

Assessment Structure

Assessment	Weightage
Weekly practical assignments	15%
Blockchain fundamentals project	10%
Solidity and smart contract project	15%
Web3 and DApp project	15%
NFT / Token project	10%
Final Blockchain project	30%
Attendance and presentation	5%