Bitcoin is a digital currency which allows peer-to-peer transaction over the Bitcoin network with blockchain technology.

Characteristic of Bitcoin:

1. Store of Value: Bitcoin is often compared to gold as a store of value. During economics uncertainty, it is believed that Bitcoin will help to protect against inflation due to it limited supply and scarcity.
2. Volatility: Bitcoin's price is highly volatile, this offers opportunities and risk for investors who wants short term gains.
3. Liquidity: Bitcoin is one of the world's most liquid currencies, it is easily traded worldwide, making it accessible to retailers or owning it personally.

As of now, Bitcoin has became a widely popular form of investment and often used for portfolio diversification despite its risk due to fluctuation.

Prices of Bitcoin throughout the years: