I am Parnasree Chowdhury, and I offer an Advanced Blockchain Project-Based Training at Findmyguru, created for professionals who already have a foundation in blockchain and want to become expert developers.

In this online course, you will work on three advanced blockchain projects to strengthen your portfolio and get interview-ready. Through hands-on practice, you’ll master Solidity, Smart Contracts, Blockchain Development, Ethereum, dApps, NFT Development, DAO governance, Web3.js, and Cross-Chain Development.

Over 48 sessions, I guide you step by step through industry-relevant modules such as ERC-20/721/1155 standards, Flash-Loan Arbitrage, Gasless NFT (ERC-4337), DAO and Governance patterns, security engineering, Layer-2 scaling, and cross-chain messaging. Each project is designed to simulate real-world blockchain applications.

With 8 years of experience in blockchain teaching and development, I focus on practical learning, mock interview preparation, and security-first engineering so you gain both skills and confidence to build enterprise-level decentralized applications.

Classes are available in online mode, making it accessible to professionals worldwide.

This is an advanced project based course for professionals. You can build your solid Blockchain Portfolio, be interview ready as an advanced Blockchain developer. This course will involve 3 industry-standard advanced Solidity based DAPP Projects . You will be prepared with mock interview questions and answers as well.

Prerequisites: Introductory fundamental knowledge of Blockchain, Basic knowledge of programming and Solidity

Course Content:
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Session 1 – Solidity Fundamentals

Description: Deep dive into syntax, contract structure, storage vs memory
What you’ll learn: Core Solidity; write basic contracts; understand gas costs

Session 2 – Hardhat Project Setup

Description: Initialize Hardhat project, configure compiler versions, networks (Sepolia, Linea)
What you’ll learn: Project scaffolding; manage RPC endpoints; lock compiler settings

Session 3 – Testing with Waffle, Chai, Fixtures & Snapshots

Description: Install & configure Waffle/Chai; write unit tests; build reusable fixtures; use snapshots
What you’ll learn: Structure Mocha/Chai tests; isolate state; speed up suites

Session 4 – Advanced Testing: Fuzzing, Property Testing & Coverage

Description: Configure Foundry/Echidna fuzzers; write invariants; generate coverage reports
What you’ll learn: Catch edge-case bugs automatically; assert contracts’ invariants; achieve ≥95% coverage

Session 5 – ERC-20 Standards & Extensions

Description: Implement base ERC-20, mintable/burnable/pausable extensions
What you’ll learn: Token design patterns; gas implications; security pitfalls

Session 6 – NFT Standards: ERC-721, ERC-1155 & Metadata Patterns

Description: Build NFT contracts; manage on-chain vs off-chain metadata
What you’ll learn: Versatile NFT implementations; efficient metadata handling

Session 7 – Access Control

Description: Ownable, Role-Based Access Control, custom modifiers
What you’ll learn: Design secure admin patterns; enforce function-level permissions

Session 8 – Upgradeability

Description: UUPS proxy, Transparent proxy, storage slot layout
What you’ll learn: Implement upgradable contracts; avoid storage collisions

Session 9 – Security Engineering

Description: Common vulnerabilities: reentrancy, tx.origin misuse, DoS, integer overflow
What you’ll learn: Identify and fix critical Solidity bugs; apply security best practices

Session 10 – Gas Profiling Tools

Description: Integrate gas-reporter, Tenderly, and benchmarking workflows
What you’ll learn: Measure and compare gas costs; optimize hot paths

Session 11 – Enterprise & Layer-2 Solutions

Description: Compare Layer-1 vs Layer-2 (Optimistic, ZK rollups) and permissioned ledgers (Fabric, Corda)
What you’ll learn: Choose appropriate chain architecture; understand performance, security, and privacy trade-offs

Session 12 – DevOps & CI/CD Pipelines

Description: Set up GitHub Actions for lint, test, coverage, and auto-deploy to Sepolia/Linea
What you’ll learn: Automate test pipelines; manage secrets; trigger verifications

Session 13 – Forking & Debugging Live Protocol State

Description: Use Hardhat network forking; simulate Uniswap swaps; manipulate timestamps
What you’ll learn: Debug in mainnet-fork; test edge cases against live state

Session 14 – dApp Frontend Best Practices

Description: State management (React Query/Vuex), caching strategies, wallet reconnection, error handling
What you’ll learn: Build robust, user-friendly frontends; handle failures gracefully

Session 15 – Oracles & Off-Chain Data Integration

Description: Integrate Chainlink, Band Protocol, TWAP oracles
What you’ll learn: Fetch and verify external data on-chain; secure callback patterns

Session 16 – DAO & Governance Patterns

Description: On-chain voting, proposal lifecycle, timelocks, token-based governance
What you’ll learn: Design and audit DAO modules; manage upgrades via governance

Session 17 – Sharding & Data Availability Layers

Description: Sharded execution vs DA layers (Celestia, Danksharding)
What you’ll learn: Understand data availability, cross-shard messaging, and scaling strategies

Project 1: Flash-Loan Arbitrage

Session 18 – Flash-Loan Arbitrage: Design & Tokenomics

Description: Architect flash-loan arbitrage between Uniswap V3 & Aave with profit modeling
What you’ll learn: Secure flash-loan flows; calculate fees, slippage, ROI

Session 19 – Flash-Loan Arbitrage: Implementation Part 1

Description: Code receiver interface and flash-loan callback logic
What you’ll learn: Handle loan callbacks; enforce repayment safety

Session 20 – Flash-Loan Arbitrage: Implementation Part 2

Description: Complete arbitrage algorithm; integrate multi-DEX routing
What you’ll learn: Route trades, manage slippage, and optimize gas usage

Session 21 – Flash-Loan Arbitrage: Testing Part 1

Description: Unit tests for flash-loan and arbitrage modules
What you’ll learn: Validate internal logic; assert expected balances

Session 22 – Flash-Loan Arbitrage: Testing Part 2

Description: End-to-end tests on a mainnet fork
What you’ll learn: Ensure profitability; debug failures in realistic conditions

Session 23 – Flash-Loan Arbitrage: Security Audit & Risk Modeling

Description: Static analysis (Slither, MythX), manual checklist, threat modeling
What you’ll learn: Identify and mitigate security risks; produce audit report

Session 24 – Flash-Loan Arbitrage: Deployment & Risk

Description: Deploy to Linea/Sepolia; analyze MEV, slippage, gas cost risks
What you’ll learn: Execute secure deployment; manage operational risk

Session 25 – Flash-Loan Arbitrage: Frontend & Wallet Integration

Description: Build UI, integrate MetaMask/WalletConnect
What you’ll learn: Create end-user UX; handle wallet flows; demo on fork

Session 26 – Project 1 Assessment

Description: Design critique: Q&A, interview prep
What you’ll learn: Reflect on architecture choices; prepare for technical interviews

Session 27 – Formal Verification & Advanced Auditing

Description: Use Certora, K-framework, invariant verification
What you’ll learn: Write formal specs; prove contract invariants; integrate into CI

Project 2: Gasless NFT

Session 28 – Gasless NFT: ERC-4337 Overview

Description: EntryPoint, Bundler, Paymaster roles
What you’ll learn: Grasp account abstraction; understand user-ops pipeline

Session 29 – Gasless NFT: Mock EntryPoint & Bundler

Description: Create test doubles for EntryPoint and Bundler
What you’ll learn: Simulate user-ops; validate bundler logic

Session 30 – Gasless NFT: NFT Contract & IPFS

Description: Implement ERC-721, integrate NFT.Storage for metadata
What you’ll learn: Write mint/burn flows; manage off-chain metadata; pin to IPFS

Session 31 – Gasless NFT: Paymaster Impl Part 1

Description: Basic sponsorship logic
What you’ll learn: Delegate gas payments; implement accounting

Session 32 – Gasless NFT: Paymaster Impl Part 2

Description: Advanced budget controls, security checks
What you’ll learn: Enforce quotas; prevent replay and DoS

Session 33 – Gasless NFT: Testing, Audit & Deployment

Description: Comprehensive tests, Slither/Echidna scans, CI security gates
What you’ll learn: Validate all flows; secure before production

Session 34 – Gasless NFT: Frontend & Wallet Integration

Description: Build React UI, integrate MetaMask/WalletConnect
What you’ll learn: Craft seamless gasless user transaction experience

Session 35 – Project 2 Assessment

Description: Q&A, use-case articulation, interview prep
What you’ll learn: Solidify ERC-4337 knowledge; rehearse explanations

Project 3: Cross-Chain Messaging & Routing

Session 36 – Messaging Primer & Frontend Best Practices

Description: Connext vs LayerZero; wallet UX patterns
What you’ll learn: Understand relayer economics; implement robust frontends

Session 37 – Routing Logic Part 1

Description: Implement basic multi-chain swap routing
What you’ll learn: Write cross-chain swap functions; handle payload serialization

Session 38 – Routing Logic Part 2

Description: Add slippage controls, deadline enforcement
What you’ll learn: Enforce routing constraints; calculate gas estimates

Session 39 – Routing Logic Part 3

Description: Fallback paths & retry logic
What you’ll learn: Secure error recovery; safe path switching

Session 40 – Subgraph Schema & Mappings

Description: Define The Graph schema; write handlers
What you’ll learn: Build and deploy subgraph; query indexer results

Session 41 – Frontend Queries & Caching

Description: GraphQL best practices; Apollo/React Query integration
What you’ll learn: Optimize data fetching; manage cache invalidation

Session 42 – Cross-Chain Swap: Testing & Security Audit

Description: Forked network simulation, fuzz tests, Slither audit
What you’ll learn: Validate cross-chain reliability; uncover protocol-level edge cases

Session 43 – Frontend Integration: Vue 3 + Apollo & Wallet Abstraction

Description: Build aggregator dashboard; handle multi-wallet logic
What you’ll learn: Develop production-grade UX; manage providers and signers

Session 44 – Performance & Gas Profiling

Description: Benchmark routing contracts; optimize calldata and loops
What you’ll learn: Profile gas hotspots; implement performance improvements

Session 45 – Project 3 Assessment

Description: Architecture critique; interview-style Q&A
What you’ll learn: Reflect on cross-chain design; prep for system-design questions

Session 46 – Cross-Project Architecture Reflection

Description: Compare Ethereum vs Solana projects: account & fee models
What you’ll learn: Articulate architecture trade-offs; prepare for high-level design interviews

Session 47 – Ethereum vs Solana Architecture

Description: Deep dive account model, fee market, execution engines
What you’ll learn: Understand platform differences; inform multi-chain strategy

Final Session

Session 48 – Interview Q&A Deep Dive: Technical Concepts

Description: Rapid-fire Q&A on consensus, EVM internals, DeFi, security, tokenomics, interoperability
What you’ll learn: Master concise, high-impact responses to top-tier technical questions

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