5/5
_Follow along with this video:_ --- You've learnt so much and should be incredibly proud you've come this far. Give yourself a pat on the back and celebrate this victory. Your next steps are going to be an opportunity to jump right into the code and learn the basics of Solidity. The next sections will give you all the tools you need to start building on the blockchain and developing your own protocols and applications. Blockchain Basics NFT Challenge đ [Blockchain Basics (Arb)](https://arbiscan.io/address/0x2e99A4CA9c85383ccB54769adB3837437e296479) [Blockchain Basics (Sepolia)](https://sepolia.etherscan.io/address/0x25056312685339b49e1d1C5a0b72Ff9eff13AF77)
Celebratory conclusion of the blockchain basics series, highlighting the journey from theoretical understanding to practical application.
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Course Overview
About the course
Blockchain fundamentals
Introduction to smart contract gas
Introduction to wallets
Transaction signatures
Smart contracts
Advanced gas concepts
Security researcher
$49,999 - $120,000 (avg. salary)
Web3 developer
$60,000 - $150,000 (avg. salary)
Smart Contract Engineer
$100,000 - $150,000 (avg. salary)
Smart Contract Auditor
$100,000 - $200,000 (avg. salary)
Web3 Developer Relations
$85,000 - $125,000 (avg. salary)
Last updated on May 27, 2025
Duration: 3h 11min
Certification: Blockchain Basics
This proficiency exam is designed to confirm your understanding of all key concepts and learnings presented in the course material. You will have 45 minutes to answer 30 questions and score 18 to pass and earn a Certificate of Completion.
Course Overview
About the course
Blockchain fundamentals
Introduction to smart contract gas
Introduction to wallets
Transaction signatures
Smart contracts
Advanced gas concepts
Security researcher
$49,999 - $120,000 (avg. salary)
Web3 developer
$60,000 - $150,000 (avg. salary)
Smart Contract Engineer
$100,000 - $150,000 (avg. salary)
Smart Contract Auditor
$100,000 - $200,000 (avg. salary)
Web3 Developer Relations
$85,000 - $125,000 (avg. salary)
Last updated on May 27, 2025