Bitcoin:
A decentralized digital currency launched in 2009 after the financial crisis.
Its supply is limited to 21 million, making it rare and increasing its value over time.
It is used as a hedge against inflation and as a means of payment.
It has received increasing attention from institutions and countries (such as El Salvador).
It relies on blockchain technology and proof of work (PoW), making it very secure.
Government regulations and policies strongly affect its price and volatility.
Its price fluctuates based on supply and demand and global events.
