Blockchain Tutorial #18: Solidity Payable Functions & Ether Handling | Call vs Send vs Transfer
Welcome to Blockchain Tutorial 18 in our Solidity Mastery Series 2026! 🚀
In today’s lecture, we dive into Payable Functions & Ether Handling — a must-know for every Solidity developer building DeFi, NFTs, Crowdfunding, and payment contracts.
This tutorial is beginner-friendly and includes a practical demo on Remix IDE with step-by-step explanations.
🔍 What You Will Learn in This Video
✅ Payable Functions Explained
– Difference between normal functions and payable functions
– Why payable functions are essential for accepting Ether
– How to declare a function as payable
– Practical example: Accepting ETH in a contract
✅ Sending Ether in Solidity
– Using call method to send Ether
– Why call is safer and more flexible than send or transfer
– Example: Sending Ether to another address securely
– Handling return value from call
✅ Practical Implementation on Remix IDE
– Create a payable contract
– Receive Ether via payable functions
– Send Ether using call method
– Check balances and debug transactions
– Line-by-line explanation for beginners
💡 Why This Topic Matters
– Payable functions are the backbone of payment-enabled smart contracts
– Used in DeFi protocols, NFT marketplaces, crowdfunding platforms
– Prevents failed transactions & ensures safe Ether transfers
– A must-have skill for Solidity developers aiming for Web3 careers in 2026
⭐ Part of Phase 2 in our Blockchain → Solidity → Web3 Roadmap
👉 Don’t just code — handle Ether like a PRO!
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🎯 Source Code:
https://github.com/farzeen-ali/Blockchain-Solidity
📘 Blockchain Lectures (GitHub Notes):
https://github.com/farzeen-ali/Blockchain-Lectures
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