What this course is about The Blockchain Essentials course from IBM SkillsBuild gives you a clear introduction to blockchain — one of today’s most important and transformative technologies. You’ll learn how blockchain works, why it matters for secure, transparent transactions and data systems, and how it’s reshaping industries from finance to supply-chain to digital identity. As you complete the course, you’ll also earn a digital badge / credential you can add to your resume, LinkedIn profile, and Credly account — which helps show employers you understand blockchain fundamentals. You’ll learn how to: Understand the basic structure and purpose of blockchain

• Recognize how blockchain can be used in real-world business or technology contexts

Explore foundational blockchain mechanisms like distributed ledgers and smart contracts What you will learn By the end of this course, you will be able to: Understand blockchain fundamentals

Define what blockchain is — a shared, immutable digital ledger used to record transactions and track assets in a distributed network. Describe how blockchain maintains security, transparency, and trust without needing traditional intermediaries. Describe how blockchain works technically

Understand how transactions are grouped into “blocks,” cryptographically linked together, and shared across multiple nodes to create an immutable “chain.” Explain core concepts such as distributed ledger, consensus mechanisms, public-key cryptography, and smart contracts.

• Explore real-world applications

Understand how blockchain can be applied in fields such as finance, supply chain, record-keeping, asset tracking, and digital identity.

Recognize how businesses use blockchain to streamline processes, improve transparency, and enhance security.

• Learn about blockchain roles and opportunities

Understand the types of roles and skill sets that are relevant in the blockchain ecosystem — from analysts to developers to consultants.

Explore how gaining a blockchain credential from IBM can help signal those skills to employers or collaborators.