Here are 10 key facts about Bitcoin (BTC):

1. First Cryptocurrency: Bitcoin is the first decentralized cryptocurrency, created in 2009 by an anonymous person or group known as Satoshi Nakamoto.

2. Blockchain Technology: Bitcoin operates on a blockchain, a public, immutable ledger that records all transactions.

3. Limited Supply: There will only ever be 21 million bitcoins in existence, making it a deflationary currency.

4. Mining Process: Bitcoins are created through mining, which involves solving complex mathematical problems to validate transactions and add them to the blockchain.

5. Halving Events: Roughly every four years, the Bitcoin block reward is halved, reducing the rate at which new bitcoins are created. This affects supply and potentially the price.

6. Decentralized System: Bitcoin is not controlled by any government or central authority, making it censorship-resistant and borderless.

7. Volatility: Bitcoin’s price is highly volatile, influenced by market demand, news, regulation, and investor sentiment.

8. Pseudonymous: Bitcoin transactions are pseudonymous, meaning identities are not directly tied to addresses, but can potentially be traced.

9. Digital Gold: Bitcoin is often referred to as "digital gold" due to its use as a store of value and hedge against inflation.

10. Global Adoption: Bitcoin is accepted as payment by various companies and has seen growing adoption in countries with economic instability or strict capital controls.$BTC