Bitcoin (BTC) is the world's first and most popular cryptocurrency, created in 2009 by an anonymous individual or group under the pseudonym Satoshi Nakamoto. Here are some key points:

Features

1. *Decentralization*: Not controlled by governments or financial institutions.

2. *Limitation*: Maximum supply of 21 million units.

3. *Security*: Uses advanced cryptography (SHA-256) to secure transactions.

4. *Transparency*: Public record (blockchain) of all transactions.

Advantages

1. *Privacy*: Anonymous transactions.

2. *Speed*: Fast transactions globally.

3. *Low costs*: Low transaction fees.

4. *Liquidity*: Wide acceptance and conversion into traditional currencies.

Technology

1. *Blockchain*: Immutable record of transactions.

2. *Mining*: Validates transactions and rewards miners with BTC.

3. *P2P protocol*: Peer-to-peer networks for direct transactions.

History

1. *2009*: Launch of Bitcoin.

2. *2010*: First real transaction.

3. *2011*: Emergence of other cryptocurrencies (altcoins).

4. *2017*: Value reaches US$ 19,666.

Use

1. *Online payments*: Shopping in virtual stores.

2. *Investment*: Store of value and speculation.

3. *International transfers*: Sending money without borders.

Challenges

1. *Volatility*: Prices fluctuate rapidly.

2. *Regulation*: Lack of clear regulations.

3. *Security*: Risks of hacks and losses.

References

1. (link unavailable)

2. Coindesk

3. Investopedia

$BTC