--- title: 01. How and Why Blockchain — The First Cryptocurrency:... description: An introductory overview of Bitcoin and blockchain technology aimed at complete beginners. Covers why Bitcoin was created as an alternative to centralized... canonical: https://daily.dev/posts/01-how-and-why-blockchain-the-first-cryptocurrency-bitcoin-vfbnss1nr twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: 01. How and Why Blockchain — The First Cryptocurrency: Bitcoin | daily.dev og:description: An introductory overview of Bitcoin and blockchain technology aimed at complete beginners. Covers why Bitcoin was created as an alternative to centralized... og:url: https://daily.dev/posts/01-how-and-why-blockchain-the-first-cryptocurrency-bitcoin-vfbnss1nr og:image: https://api.daily.dev/og/posts/vFBNsS1NR.png og:image:alt: 01. How and Why Blockchain — The First Cryptocurrency: Bitcoin og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # 01. How and Why Blockchain — The First Cryptocurrency: Bitcoin **[Coins Bench](https://daily.dev/sources/coinsbench)** · 5 min read · 0 upvotes · 0 comments ## Summary An introductory overview of Bitcoin and blockchain technology aimed at complete beginners. Covers why Bitcoin was created as an alternative to centralized financial systems, how transactions are verified and recorded in blocks, the concept of mining and Proof of Work, Bitcoin's fixed supply of 21 million coins, and the structure of the blockchain as a tamper-resistant linked list of blocks. The post is the first in a series and promises deeper dives into mining and other cryptocurrencies in future installments. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [What Is a Blockchain, Really? \(Part 1 of 10\)](https://daily.dev/posts/what-is-a-blockchain-really-part-1-of-10--eva8kogzp) · Coins Bench · 0 upvotes · 0 comments - [Before You Start Learning Blockchain](https://daily.dev/posts/before-you-start-learning-blockchain-fnjgnuwee) · Coins Bench · 0 upvotes · 0 comments - [Bitcoin: The Code That Changed Money Forever](https://daily.dev/posts/bitcoin-the-code-that-changed-money-forever-sviftocgf) · Coins Bench · 0 upvotes · 0 comments - [When doomed stubs attack: blockchain voting and proof of work — Bitfield Consulting](https://daily.dev/posts/when-doomed-stubs-attack-blockchain-voting-and-proof-of-work-bitfield-consulting-nx5ghgrzk) · Bitfield Consulting · 1 upvotes · 0 comments - [Why Most People Give Up on Understanding Blockchain](https://daily.dev/posts/why-most-people-give-up-on-understanding-blockchain-lluhsbvm7) · Coins Bench · 0 upvotes · 0 comments --- Tags: [#crypto](https://daily.dev/tags/crypto), [#blockchain](https://daily.dev/tags/blockchain), [#bitcoin](https://daily.dev/tags/bitcoin), [#decentralization](https://daily.dev/tags/decentralization), [#proof-of-work](https://daily.dev/tags/proof-of-work) [View this post on daily.dev](https://daily.dev/posts/01-how-and-why-blockchain-the-first-cryptocurrency-bitcoin-vfbnss1nr) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"01. 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