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  1. Blockchain Basics - Coursera

    This hands-on activity will help you understand the workings of a blockchain, its transactions, blocks and mining. Main concepts are delivered through videos, demos and hands-on exercises.

  2. Blockchain Facts: What Is It, How It Works, and How It Can Be Used

    5 days ago · Blockchain is a decentralized digital database or ledger that securely stores records across a network of computers in a way that is transparent, immutable, and resistant to tampering. Each...

  3. Blockchain Tutorial - GeeksforGeeks

    Aug 21, 2025 · A Blockchain is a digital ledger of transactions that is secure, immutable, and decentralized.

  4. Blockchain Fundamentals | Online Course | Udacity

    Oct 15, 2025 · Explore the fundamentals of blockchain technology in this program. From basics to real-world applications, gain hands-on experience and a solid understanding of blockchain development.

  5. What Is Blockchain and How Does It Work in Simple Terms?

    2 days ago · Understand what blockchain is and how it works in simple terms with clear examples anyone can follow.

  6. This guide is designed to provide novice learners with an introductory understanding of blockchain technology. As we release this guide, it's important to acknowledge the ever-evolving landscape of …

  7. Blockchain - Wikipedia

    Blockchain formation. The main chain (black) consists of the longest series of blocks from the genesis block (green) to the current block. Orphan blocks (purple) exist outside of the main chain. A …

  8. Master Blockchain Basics: The Ultimate Beginner’s Guide

    Aug 28, 2025 · This beginner’s guide explains what blockchain is, how it works, and why it matters—simply and clearly. Perfect for students, entrepreneurs, and anyone new to the topic.

  9. New to Blockchain? Here’s Your Step-by-Step Beginner's Guide To …

    May 7, 2025 · At its core, blockchain technology is a type of distributed ledger technology (DLT)—a system that allows data to be stored across a network of computers in a way that ensures …

  10. Blockchain Tutorial for Beginners [Updated 2026] - Simplilearn

    Dec 9, 2025 · In this tutorial, we'll provide an overview of blockchain technology and explain how it can be used to improve the performance of your business. We'll also discuss some of the challenges that …