# Fundamentals

Source URL: https://help.blockstream.com/education/fundamentals
Updated: 2026-07-29T15:13:21.000Z
Category: Fundamentals

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## Education Categories
- [Nodes](https://help.blockstream.com/education/nodes)
- [Wallets](https://help.blockstream.com/education/wallets)
- [Fundamentals](https://help.blockstream.com/education/fundamentals) (current)

What Bitcoin is, how it works, and where it came from.

## Getting Started
- [What is Bitcoin?](https://help.blockstream.com/education/fundamentals/getting-started/what-is-bitcoin)
- [How does Bitcoin work?](https://help.blockstream.com/education/fundamentals/getting-started/how-does-bitcoin-work)
- [What is a blockchain?](https://help.blockstream.com/education/fundamentals/getting-started/what-is-a-blockchain)
- [Who created Bitcoin?](https://help.blockstream.com/education/fundamentals/getting-started/who-created-bitcoin)
- [What is a satoshi?](https://help.blockstream.com/education/fundamentals/getting-started/what-is-a-satoshi)

## Common Questions
- [Is Bitcoin safe?](https://help.blockstream.com/education/fundamentals/bitcoin-questions/is-bitcoin-safe)
- [Is Bitcoin legal?](https://help.blockstream.com/education/fundamentals/bitcoin-questions/is-bitcoin-legal)
- [What gives bitcoin value?](https://help.blockstream.com/education/fundamentals/bitcoin-questions/what-gives-bitcoin-value)
- [Bitcoin vs other cryptocurrencies](https://help.blockstream.com/education/fundamentals/bitcoin-questions/bitcoin-vs-other-cryptocurrencies)