Blockchain

A blockchain consists of growing lists of records, called blocks, that are securely linked together using cryptography.

A blockchain is a type of distributed ledger technology (DLT)

Properties of a Blockchain

• Public and Decentralized (not controlled by any single organisation)
• A transparent list of transactions (collectively agreed upon)
• Chronological order
• Once recorded cannot be reversed or modified

How do Blockchains work?

A Blockchain is a system of recording information in a way that makes it difficult or impossible to change, hack, or cheat the system.

Functional Components of a Blockchain

• Distributed Ledger
• Peer-to-peer network – P2P
• Consensus Mechanism
• Cryptography

Cryptocurrencies

What are Cryptocurrencies?

How do Cryptocurrency Transactions work?

What are Crypto Wallets?

What is cryptography and how is it used in Blockchain?

What are UTXOs?