Environment Setup Web3 Hacker Ka Setup

Series: Web3 Security Zero se Advance 🛡️ | Article #9 By HackerMD | 20 min read

Aaj Kya Seekhenge?

• Web3 hacker ka complete toolkit
• Foundry install aur verify
• Hardhat install aur project setup
• Remix IDE browser-based quick testing
• MetaMask wallet setup for testing
• Ganache local blockchain
• VS Code best extensions
• .env file secrets safely manage karo
• Sabka ek saath test karo!

Hacker Note: Ek carpenter apne tools jaanta hai toh woh better kaam karta hai! Ek Web3 security researcher ka environment uska weapon hai! Sahi setup = faster research = more bounties! Aaj hum woh exact setup karenge jo top bug hunters use karte hain!

PART 1: System Requirements Kya Chahiye?

Minimum Requirements:
──────────────────────────────────────
OS:  Linux (Best!) / macOS / Windows (WSL2)
RAM: 8GB minimum (16GB recommended)
SSD: 20GB free space
CPU: Any modern processor

Recommended OS: Ubuntu 22.04 LTS
(Windows users: WSL2 use karo — Linux feel!)

Why Linux?
→ Most tools natively Linux ke liye banaye hain
→ Command line tools behtar kaam karte hain
→ Professional environments Linux use karte hain
→ Docker/containers easy hain

Windows Users:
→ WSL2 install karo (Windows Subsystem for Linux)
→ Ubuntu distro choose karo
→ Phir sab Linux commands kaam karenge!

# WSL2 install karo (Windows pe):
# PowerShell as Admin:
wsl --install
# Restart karo PC
# Ubuntu setup complete karo

# Ubuntu/Linux system update pehle:
sudo apt update && sudo apt upgrade -y

# Basic tools:
sudo apt install -y \
    curl \
    git \
    build-essential \
    pkg-config \
    libssl-dev \
    python3 \
    python3-pip \
    nodejs \
    npm

# Verify:
git --version
# git version 2.39.x

node --version
# v18.x.x

npm --version
# 9.x.x

PART 2: Foundry Primary Tool!

Foundry kya hai?
→ Rust-based smart contract toolkit
→ forge: compile + test + deploy
→ cast: blockchain interactions (CLI)
→ anvil: local Ethereum node
→ chisel: Solidity REPL

Kyun Foundry?
→ Industry standard ban gaya hai
→ Tests Solidity mein likhte hain
→ Bahut fast (Rust se powered!)
→ Top auditors use karte hain
→ Immunefi ke PoCs mostly Foundry mein hain

# ─── Foundry Install ──────────────────────

# Step 1: Foundryup install karo
curl -L https://foundry.paradigm.xyz | bash

# Step 2: Terminal reload karo
source ~/.bashrc
# ya
source ~/.zshrc  # zsh use karte ho toh

# Step 3: Foundry install karo
foundryup

# Output dikhe ga:
# foundryup: installing foundry (version nightly)
# foundryup: done!

# ─── Verify Installation ──────────────────

forge --version
# forge 0.2.0 (abc1234 2026-01-01...)

cast --version
# cast 0.2.0 (abc1234 2026-01-01...)

anvil --version
# anvil 0.2.0 (abc1234 2026-01-01...)

chisel --version
# chisel 0.2.0 (abc1234 2026-01-01...)

# ─── First Project Test ───────────────────

# Test project banao:
mkdir ~/web3-security
cd ~/web3-security
forge init test-project
cd test-project

# Structure check karo:
ls -la
# src/
# test/
# script/
# lib/
# foundry.toml

# Compile karo:
forge build
# [⠒] Compiling...
# [⠢] Compiling 1 files with 0.8.x
# Compiler run successful!

# Test karo:
forge test
# [PASS] testIncrement() (gas: 28334)
# [PASS] testSetNumber() (gas: 43279)
# All tests pass! ✅

# ─── Update Foundry (future mein) ─────────
foundryup
# Latest version install ho jaayega!

PART 3: Hardhat JavaScript Alternative!

Hardhat kya hai?
→ Node.js based Ethereum development environment
→ Tests JavaScript/TypeScript mein likhte hain
→ Bahut bada ecosystem (plugins!)
→ Purane protocols mostly Hardhat use karte hain
→ Audit karte waqt unka framework use karna padta hai

Kyun Hardhat bhi chahiye?
→ Kuch protocols sirf Hardhat mein hain
→ JavaScript developers ke liye easy
→ Plugins bahut hain (coverage, gas reporter etc)
→ Real auditing mein dono aate hain!

# ─── Node.js Version Check ────────────────
node --version
# v18+ chahiye!

# Agar purana version hai:
curl -fsSL https://deb.nodesource.com/setup_18.x \
    | sudo -E bash -
sudo apt install -y nodejs

# ─── Hardhat Install ──────────────────────

# Test project banao:
mkdir ~/web3-security/hardhat-project
cd ~/web3-security/hardhat-project

# npm project init:
npm init -y

# Hardhat install:
npm install --save-dev hardhat

# Hardhat project create:
npx hardhat init

# Options dikhenge:
# ❯ Create a JavaScript project
#   Create a TypeScript project
#   Create an empty hardhat.config.js
#   Quit

# "Create a JavaScript project" choose karo
# Enter → Enter → Enter (defaults accept karo)

# ─── Dependencies Install ─────────────────

npm install --save-dev \
    @nomicfoundation/hardhat-toolbox \
    @openzeppelin/contracts \
    dotenv

# ─── Verify ───────────────────────────────
npx hardhat --version
# Hardhat version 2.x.x

# Compile:
npx hardhat compile
# Compiling 1 Solidity file
# Successfully compiled!

# Test:
npx hardhat test
# Lock
#   Deployment
#     ✔ Should set the right unlockTime
#     ✔ Should set the right owner
# 2 passing (500ms) ✅

# ─── hardhat.config.js setup ──────────────

// hardhat.config.js
require("@nomicfoundation/hardhat-toolbox");
require("dotenv").config();

/** @type import('hardhat/config').HardhatUserConfig */
module.exports = {
  solidity: {
    version: "0.8.19",
    settings: {
      optimizer: {
        enabled: true,
        runs: 200,
      },
    },
  },

  networks: {
    // Local network (default):
    hardhat: {
      chainId: 31337,
    },

    // Mainnet fork:
    mainnet_fork: {
      url: process.env.MAINNET_RPC_URL,
      forking: {
        url: process.env.MAINNET_RPC_URL,
        blockNumber: 19500000, // Specific block!
      },
    },

    // Testnets:
    sepolia: {
      url: process.env.SEPOLIA_RPC_URL,
      accounts: [process.env.PRIVATE_KEY],
    },
  },

  etherscan: {
    apiKey: process.env.ETHERSCAN_API_KEY,
  },

  gasReporter: {
    enabled: true,
    currency: "USD",
  },
};

PART 4: Remix IDE Browser-Based Quick Testing!

Remix IDE kya hai?
→ Browser-based Solidity IDE
→ URL: https://remix.ethereum.org
→ ZERO installation needed!
→ Quick experiments ke liye best!
→ Beginners ke liye most friendly

Kyun use karo?
→ Kuch code quickly test karna ho
→ Single contract experiment
→ No setup needed
→ Deployment testing
→ Interview/presentation ke liye

Limitations:
→ Large projects ke liye not ideal
→ Version control nahi
→ Professional auditing mein use nahi karte
→ Sirf quick tests ke liye!

Remix IDE Setup:

1. Browser kholo:
   → https://remix.ethereum.org

2. Interface samjho:
   ┌─────────────────────────────────────────┐
   │  [File] [Search] [Compile] [Deploy]     │
   │  [Debug] [Test] [Plugin Manager]        │
   ├──────────┬──────────────────────────────┤
   │ File     │                              │
   │ Explorer │    Code Editor               │
   │          │                              │
   │ contracts│                              │
   │ └1_...sol│                              │
   │ └2_...sol│                              │
   │          │                              │
   ├──────────┴──────────────────────────────┤
   │  Terminal / Console                     │
   └─────────────────────────────────────────┘

3. Compiler settings:
   → Left sidebar → Solidity Compiler (S icon)
   → Version: 0.8.19 select karo
   → EVM Version: paris ya london
   → "Auto compile" ON karo ✅

4. Deploy settings:
   → Left sidebar → Deploy icon (ETH icon)
   → Environment:
     "Remix VM (Cancun)" → Local testing ✅
     "Injected Provider" → MetaMask se ✅
     "WalletConnect" → Hardware wallet ✅

5. Useful keyboard shortcuts:
   Ctrl+S → Save + Compile
   Ctrl+Z → Undo
   Ctrl+F → Find
   F5     → Deploy

Remix Plugins (useful):
→ Solidity Static Analysis (built-in linter)
→ Contract Flattener (audit ke liye)
→ DGIT (GitHub integration)
→ Debugger (tx debug karo)

PART 5: MetaMask Web3 Wallet Setup!

MetaMask kya hai?
→ Browser extension wallet
→ Ethereum + EVM chains support
→ dApps se interact karne ke liye
→ Test transactions ke liye

IMPORTANT SECURITY RULES:
❌ NEVER use main wallet for testing!
❌ NEVER put real funds in test wallet!
✅ Alag test wallet banao!
✅ Test wallet = Fake money only!
✅ Seed phrase SAFELY store karo!

MetaMask Setup (Test Wallet):

1. Install:
   → Chrome/Firefox → Extensions store
   → "MetaMask" search karo
   → Official extension install karo
   → metamask.io verify karo!

2. New wallet create karo (TEST ONLY!):
   → "Create a new wallet"
   → Password set karo
   → Seed phrase likhlo (12 words)
   → IMPORTANT: Test wallet = 
     Seed phrase kisi ko mat batao
     Par real funds mat daalo!

3. Networks add karo:

   ─── Sepolia Testnet ───────────────────
   → MetaMask → Networks dropdown
   → "Add network" → "Add a network manually"

   Network Name: Sepolia Testnet
   RPC URL: https://sepolia.infura.io/v3/YOUR_KEY
   Chain ID: 11155111
   Symbol: ETH
   Explorer: https://sepolia.etherscan.io

   ─── Local Anvil Network ───────────────
   Network Name: Anvil Local
   RPC URL: http://127.0.0.1:8545
   Chain ID: 31337
   Symbol: ETH
   Explorer: (blank)

   ─── Local Hardhat Network ─────────────
   Network Name: Hardhat Local
   RPC URL: http://127.0.0.1:8545
   Chain ID: 31337
   Symbol: ETH
   Explorer: (blank)

4. Test ETH lao (Sepolia):
   → https://sepoliafaucet.com
   → https://faucet.sepolia.dev
   → Address paste karo → Receive test ETH!
   → Free hai! Real value nahi!

5. Import test accounts (Anvil/Hardhat):
   → Anvil start karo: $ anvil
   → Dekho: Private Keys list
   → MetaMask → Import account
   → Private key paste karo
   → 10,000 fake ETH available! 🎉

PART 6: Ganache Local Blockchain (Alternative)!

Ganache kya hai?
→ Truffle Suite ka local blockchain
→ GUI ya CLI version available
→ Hardhat/Truffle ke saath use hota hai
→ Quick testing ke liye

Foundry ka anvil aaya → Ganache less popular
Lekin: Kuch purane projects Ganache use karte hain
→ Isliye jaanna zaroori hai!

Two versions:
1. Ganache UI (Desktop app) — Beginners
2. ganache-cli (Command line) — Developers

# ─── Ganache CLI Install ──────────────────

npm install -g ganache

# Start karo:
ganache

# Output:
# ganache v7.x.x
# ...
# Available Accounts
# ==================
# (0) 0x123...abc (1000 ETH)
# (1) 0x456...def (1000 ETH)
# ...
# Private Keys
# ==================
# (0) 0xabc...123
# ...
# Listening on 127.0.0.1:8545

# ─── Custom Settings ──────────────────────

ganache \
    --accounts 20 \
    --balance 9999 \
    --port 8545 \
    --networkId 1337 \
    --deterministic
    # --deterministic = Same keys har baar!

# ─── Ganache UI (Desktop) ─────────────────

# Download: https://trufflesuite.com/ganache/
# Install karo → Open karo
# "Quickstart Ethereum" click karo
# 10 accounts with 100 ETH each!
# GUI mein sab kuch visible!

# ─── Ganache vs Anvil ─────────────────────
# Feature     | Ganache  | Anvil (Foundry)
# ------------|----------|----------------
# Speed       | Moderate | FAST ✅
# Foundry     | Plugin   | Native ✅
# Hardhat     | Plugin ✅| Plugin
# Mainnet fork| Yes      | Yes ✅
# GUI         | Yes ✅   | No (CLI only)
# Cheatcodes  | No       | Yes ✅
# Recommended | Legacy   | Modern ✅

PART 7: VS Code Best Editor Setup!

# ─── VS Code Install ──────────────────────

# Ubuntu/Debian:
wget -qO- https://packages.microsoft.com/keys/microsoft.asc \
    | gpg --dearmor > packages.microsoft.gpg

sudo install -D -o root -g root -m 644 \
    packages.microsoft.gpg \
    /etc/apt/keyrings/packages.microsoft.gpg

sudo sh -c 'echo "deb [arch=amd64,arm64,armhf \
    signed-by=/etc/apt/keyrings/packages.microsoft.gpg] \
    https://packages.microsoft.com/repos/code stable main" \
    > /etc/apt/sources.list.d/vscode.list'

sudo apt install apt-transport-https
sudo apt update
sudo apt install code

# macOS:
# https://code.visualstudio.com/download se download karo

# ─── Essential Extensions ─────────────────

VS Code Extensions — Security Researcher Ke Liye:

1. Solidity (Hardhat)
   Publisher: Nomic Foundation
   ID: nomicfoundation.hardhat-solidity
   → Syntax highlighting
   → Auto-complete
   → Error detection
   → Hover docs
   INSTALL: Ctrl+Shift+X → "Solidity" search

2. Solidity Visual Developer
   Publisher: tintinweb
   ID: tintinweb.solidity-visual-auditor
   → Security analysis
   → Function graphs
   → Storage layout visualize
   → PERFECT for auditing!

3. GitLens
   Publisher: GitKraken
   → Git history line by line
   → "When was this written?"
   → Blame view

4. Better Comments
   → TODO, FIXME, NOTE color code
   → Code mein notes zyada visible

5. Error Lens
   → Errors inline dikhate hain
   → Line pe hi error message!

6. Prettier
   → Code auto-format
   → Clean code

7. Rainbow Brackets
   → Nested brackets color coded
   → Complex Solidity easy to read!

8. Indent Rainbow
   → Indentation levels color coded

9. DotENV
   → .env files highlight karo

10. Ethereum Security Bundle
    → Multiple security tools combined!

// VS Code settings.json
// Ctrl+Shift+P → "Open User Settings JSON"
{
  "editor.formatOnSave": true,
  "editor.fontSize": 14,
  "editor.tabSize": 4,
  "editor.rulers": [80, 120],
  "files.autoSave": "afterDelay",
  "files.autoSaveDelay": 1000,

  // Solidity specific:
  "[solidity]": {
    "editor.defaultFormatter":
      "NomicFoundation.hardhat-solidity",
    "editor.tabSize": 4
  },

  // Security auditor view:
  "solidity-va.tools.surya.input.visualizeAST": true,
  "solidity-va.audit.tags.enable": true,

  // Terminal:
  "terminal.integrated.fontSize": 13,
  "terminal.integrated.defaultProfile.linux": "bash"
}

PART 8: .env File Secrets Safely Manage Karo!

.env file kya hai?
→ Environment variables store karo
→ Private keys, API keys etc
→ Code mein directly mat likho!
→ Git mein KABHI commit mat karo!

Why important?
→ Private key code mein = IMMEDIATE HACK!
→ GitHub pe pushed key = Bots scan karte hain!
→ 30 seconds mein drain ho jaata wallet!
→ .env = Safe alternative

# ─── .env File Setup ──────────────────────

# Project folder mein:
cd ~/web3-security/my-project

# .env file banao:
touch .env

# .env mein likho:
nano .env

# .env file content:

# ─── RPC URLs ─────────────────────────────
MAINNET_RPC_URL=https://mainnet.infura.io/v3/YOUR_KEY
SEPOLIA_RPC_URL=https://sepolia.infura.io/v3/YOUR_KEY
ARBITRUM_RPC_URL=https://arb-mainnet.g.alchemy.com/v2/YOUR_KEY

# ─── Private Keys (TEST ONLY!) ────────────
# NEVER put real wallet key here!
# Use test wallet keys only!
PRIVATE_KEY=0xYOUR_TEST_WALLET_PRIVATE_KEY

# ─── API Keys ─────────────────────────────
ETHERSCAN_API_KEY=YOUR_ETHERSCAN_KEY
ALCHEMY_API_KEY=YOUR_ALCHEMY_KEY
INFURA_KEY=YOUR_INFURA_KEY

# ─── Contract Addresses ───────────────────
VAULT_ADDRESS=0x...
TOKEN_ADDRESS=0x...

# ─── .gitignore Setup ─────────────────────
# MOST IMPORTANT! Git mein .env KABHI mat jaaye!

# .gitignore file mein add karo:
echo ".env" >> .gitignore
echo ".env.local" >> .gitignore
echo "*.env" >> .gitignore

# Verify:
cat .gitignore
# .env ✅

# ─── foundry.toml mein use karo ───────────

# foundry.toml

[profile.default]
src = "src"
out = "out"
libs = ["lib"]
solc = "0.8.19"

# .env se automatically load!
[rpc_endpoints]
mainnet  = "${MAINNET_RPC_URL}"
sepolia  = "${SEPOLIA_RPC_URL}"
arbitrum = "${ARBITRUM_RPC_URL}"

[etherscan]
mainnet = { key = "${ETHERSCAN_API_KEY}" }
sepolia = { key = "${ETHERSCAN_API_KEY}" }

// Hardhat mein use karo:
require("dotenv").config(); // .env load!

module.exports = {
  networks: {
    mainnet: {
      url: process.env.MAINNET_RPC_URL, // ✅ Safe!
      accounts: [process.env.PRIVATE_KEY],
    },
  },
};

PART 9: RPC Providers Blockchain Ka Internet!

RPC (Remote Procedure Call) kya hai?
→ Blockchain se baat karne ka tarika
→ Jaise API hai Web2 mein!
→ Read/write blockchain data

Free vs Paid:
→ Free: Limited requests/day
→ Paid: Unlimited, faster, archive data

Top Providers:

Provider    | Free Tier  | Best For
------------|------------|---------------------------
Alchemy     | 300M CU/mo | Best free tier! Start here
Infura      | 100K req/day| Popular, reliable
QuickNode   | 10M credits | Fast, multi-chain
Chainstack  | 3M req/mo  | Archive nodes!
Ankr        | 30K req/day| Multi-chain support
Public RPCs | Unlimited? | Unreliable — avoid!

For Security Research:
→ Alchemy (Free) → Start here!
→ Archive node chahiye? → Chainstack
→ Multiple chains? → QuickNode

# Alchemy setup (Free — Recommended!):
# 1. https://alchemy.com → Sign up (free)
# 2. Dashboard → Create App
# 3. Network: Ethereum Mainnet
# 4. Copy HTTPS URL
# 5. .env mein paste karo!

# Test karo:
cast block latest \
    --rpc-url $MAINNET_RPC_URL
# Latest block data dikhega ✅

# Etherscan API key (Free):
# 1. https://etherscan.io → Register
# 2. API Keys → Add
# 3. Copy key → .env mein paste karo

# Test Etherscan API:
curl "https://api.etherscan.io/api\
?module=account\
&action=balance\
&address=0xVitalikAddress\
&tag=latest\
&apikey=YOUR_KEY"
# Balance in Wei ✅

PART 10: Poora Setup Test Karo!

# ─── Complete Setup Verification ──────────

echo "=== WEB3 SECURITY SETUP CHECK ==="

# 1. Foundry
echo -n "Foundry forge: "
forge --version && echo "✅" || echo "❌"

echo -n "Foundry cast: "
cast --version && echo "✅" || echo "❌"

echo -n "Foundry anvil: "
anvil --version && echo "✅" || echo "❌"

# 2. Node/npm
echo -n "Node.js: "
node --version && echo "✅" || echo "❌"

echo -n "npm: "
npm --version && echo "✅" || echo "❌"

# 3. Git
echo -n "Git: "
git --version && echo "✅" || echo "❌"

# 4. Python
echo -n "Python3: "
python3 --version && echo "✅" || echo "❌"

echo ""
echo "=== SETUP COMPLETE! ==="

# ─── End-to-End Test ──────────────────────

# 1. Foundry project banao:
cd ~
forge init setup-test
cd setup-test

# 2. Compile:
forge build
# ✅ Compiling 1 files...

# 3. Test:
forge test -v
# ✅ PASS testIncrement()

# 4. Anvil start karo (new terminal mein):
anvil &
# ✅ Listening on 127.0.0.1:8545

# 5. Cast se local anvil check:
cast block latest \
    --rpc-url http://127.0.0.1:8545
# ✅ Block data milega!

# 6. Deploy to local:
forge script script/Counter.s.sol \
    --rpc-url http://127.0.0.1:8545 \
    --broadcast \
    --private-key \
    0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80
# ↑ Anvil ka default test private key
# ✅ Contract deployed!

echo "All tools working! Ready to hack! 🔥"

PART 11: Complete Setup Checklist!

Web3 Hacker Setup Checklist:

TOOLS:
☐ Linux/WSL2 environment ready
☐ Git installed aur configured
☐ Node.js 18+ installed
☐ npm latest version

FOUNDRY:
☐ forge installed (forge --version ✅)
☐ cast installed (cast --version ✅)
☐ anvil installed (anvil --version ✅)
☐ Test project banaya aur tests pass

HARDHAT:
☐ Hardhat installed
☐ hardhat.config.js configured
☐ Test project compile + test pass

REMIX IDE:
☐ https://remix.ethereum.org bookmarked
☐ Compiler version set (0.8.19)
☐ Simple contract deploy karke dekha

METAMASK:
☐ Extension installed
☐ NEW test wallet created (separate!)
☐ Sepolia testnet added
☐ Local Anvil network added
☐ Test ETH from faucet

GANACHE:
☐ ganache-cli installed
☐ Start karke accounts dekhe

VS CODE:
☐ VS Code installed
☐ Solidity extension installed
☐ Solidity Visual Developer installed
☐ Settings.json configured

.ENV:
☐ .env file banaya
☐ .gitignore mein .env add kiya
☐ RPC URL set kiya
☐ API keys set kiye

RPC PROVIDERS:
☐ Alchemy account banaya (free)
☐ Infura account banaya (free)
☐ Etherscan API key liya (free)
☐ cast block test kiya ✅

Quick Revision

🔨 Foundry:
   Primary tool — Tests Solidity mein
   forge = compile + test + deploy
   cast  = CLI blockchain interactions
   anvil = Local node

⚙️  Hardhat:
   JavaScript alternative
   Purane projects ke liye zaroori
   Plugin ecosystem bada

🌐 Remix IDE:
   Browser-based — no install
   Quick experiments ke liye
   Beginner friendly

🦊 MetaMask:
   Test wallet alag banao! ALWAYS!
   Real funds = NEVER in test wallet!
   Sepolia + Local network add karo

🔗 Ganache:
   Legacy local blockchain
   GUI version available
   Anvil ne mostly replace kiya

💻 VS Code:
   Solidity extension = Must!
   Visual Developer = Auditing ke liye!

🔐 .env:
   Private keys KABHI code mein nahi!
   .gitignore mein .env = MANDATORY!
   Alchemy/Infura free keys lao

⚠️ Golden Rules:
   Test wallet ≠ Main wallet!
   .env ≠ Git commit!
   Local test karo pehle — mainnet baad mein!

Meri Baat…

Mujhse ek baar ek developer ne
poochhaa:

"Bhai itna sab setup kyun chahiye?
 Toh bas Remix se kaam chala lo!"

Maine uss ko bataya:

"Ek surgeon sirf scalpel se kaam
 nahi karta — uske paas poora
 Operation Theatre hota hai!

 Remix = Ek scalpel!
 Yeh poora setup = Operation Theatre!

 Top bug hunters ke paas:
 → Foundry (exploit writing)
 → Hardhat (existing project testing)
 → Remix (quick checks)
 → Cast (on-chain recon)
 → Anvil (local simulation)
 → VS Code + Extensions (code reading)

 Sab tools ek saath!
 Different situations → Different tools!

 Aur yeh setup ek baar karo —
 Phir baar baar kaam aayega!"

Tum ready ho! 🔥

Article #10 mein: Foundry Mastery Part 1: Basics forge, cast, anvil depth mein! ⚡

HackerMD Web3 Security Researcher GitHub: BotGJ16 | Medium: @HackerMD

Previous: Article #8 Smart Contract Lifecycle Next: Article #10 Foundry Mastery Part 1

#EnvironmentSetup #Foundry #Hardhat #Web3Security #BugBounty #Hinglish #HackerMD