Game Interaction No. 2: How Bitcoin fixes this

Let's start this interaction with a simplified explanation of what Bitcoin is:

Bitcoin is a

• 👀 public,
• 🌎 worldwide distributed,
• 📖 digital ledger
• 🧡 that is governed by transparent and fixed rules.

Imagine a big book that keeps track of all the transactions that people make using Bitcoin. But instead of a physical book, it's a digital book stored on many computers all around the world. This digital ledger is continuously updated, synchronized and maintained by a network of computers called nodes.

Let's build a miniature version of the Bitcoin network! Please distribute copies of the ledger to at least 20 computers worldwide by tapping on any points on the map:

Distributed ledgers: 0/20

Well done, you created a small Bitcoin network with 20 nodes. In reality, there are thousands of nodes distributed across the globe, operated by thousands of people who don’t know each other! Btw: You can run a node too, it’s easy.

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