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Glossary/Distributed Ledger

Distributed Ledger

A database that is shared and synchronized across multiple nodes or locations, with no central administrator. Blockchains are a type of distributed ledger.

Every participant holds a consistent copy and protocol rules decide what gets written. Blockchains order entries into blocks; other designs (like hashgraphs or directed acyclic graphs) order them differently.

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Blockchain Bitcoin Ethereum Stellar Smart Contract Decentralized Application (DApp)Decentralized Finance (DeFi)Web3

What Is Distributed Ledger? | EduNode Glossary

A database that is shared and synchronized across multiple nodes or locations, with no central administrator. Blockchains are a type of distributed ledger.

EduNode

Learn blockchain development and practical IT skills

EduNode is an educational platform for becoming a blockchain developer. Hands-on courses cover Stellar, Web3, Soroban smart contracts, Ethereum, and Hyperledger, alongside self-paced masterclasses in Python, SQL, JavaScript, AI workflow automation, cybersecurity, networking, Docker, Git, data analysis, and Web3 fundamentals.

What is EduNode?

A learning platform that combines written lessons, interactive coding challenges, quizzes, and verifiable certificates. It is built for beginners who want practical, project-based paths into blockchain and IT careers.

What can you learn?

Masterclasses — fifteen paths, 150 lessons: Python, SQL, JavaScript, Git, AI automation, cybersecurity, networking, Docker, data analysis, IT support, stablecoins, Ethereum, Stellar, zero-knowledge proofs, and crypto fundamentals
Blockchain courses — Stellar, Web3, Soroban, Ethereum, and Hyperledger fundamentals
Guides and articles — wallets, stablecoins, smart contract security, DeFi, tokenization, and developer roadmaps
Web3 glossary — plain-language definitions, each on its own page

How much is free?

The first two lessons of every masterclass (20%) are free without an account. The remaining lessons and final projects are included with a Pro membership.

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