You want to verify a Bitcoin transaction yourself without trusting any website. Why can you do this uniquely with Bitcoin, unlike traditional banking?

Bitcoin's blockchain is a public ledger that you can download and verify transactions on yourself. This transparency is unique compared to traditional banking where you must trust the bank's records.

What are nodes in the Bitcoin network?

Nodes are computers that maintain full copies of the Bitcoin blockchain and validate transactions.

A mining operation discovers mining is very expensive (hardware, electricity). Despite this cost, thousands of miners still compete. What economic incentive keeps them mining?

Miners are incentivized by block rewards (newly created Bitcoin) and transaction fees. The system is designed so profitable mining is economically rational, which secures the network through competition.

How Bitcoin Works

8 min readinteractiveIncludes quiz · 3 questions

Imagine a shared Google spreadsheet that everyone can read, but no one can secretly edit. That's Bitcoin's blockchain - a public ledger where every transaction is recorded and verified by thousands of computers worldwide.

Key components:

1. Transactions: Digital transfers of Bitcoin between wallets 2. Blocks: Groups of transactions bundled together 3. Mining: The process of validating and adding blocks 4. Nodes: Computers that maintain copies of the blockchain

Test Your Knowledge

This lesson includes a 3-question quiz (passing score: 75%).

Quiz functionality available in the mobile app.