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What is a blockchain?

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Distributed data? (No single source of truth)

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Centralised system.

Centralised Systems

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Decentralised system

Decentralised Systems

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Distributed system

Distributed Systems

What is a distributed ledger?

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Blockchain can be used with transactions.

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How is the structure of a Blockchain built up?

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Diagram of how bitcoin stores its metadata

Why does blockchain technology work so well?

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How does a blockchain differ from a database?

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Can Blockchains be used for more than just data storage?

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What is an example of a smart contract?

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Why were these technologies created, and what problem do they solve?

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What are the security features of a Blockchain?

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The use of Consensus Algorithms

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Proof of work

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Proof of stake

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Proof of elapsed time

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Proof of Authority

What are the main challenges in adoption?

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Standards

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Regulations

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Lack of know-how

Written by

Technologist who enjoys writing and working with software and infra. I write up all the things I learn as I go along to share the knowledge! beardy.digital

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