Bitcoin is a cryptocurrency and worldwide payment system. It is the first decentralized digital currency, as the system works without a central bank or single administrator. The network is peer-to-peer and transactions take place between users directly, without an intermediary.
These transactions are verified by network nodes through the use of cryptography and recorded in a public distributed ledger called a blockchain. Bitcoin was invented by an unknown person or group of people under the name Satoshi Nakamoto and released as open-source software in 2009.
Bitcoins are created as a reward for a process known as mining. They can be exchanged for other currencies, products, and services. As of February 2015, over 100,000 merchants and vendors accepted bitcoin as payment.
Bitcoin can be purchased through a digital exchange or even directly from other people via marketplaces. Physical bitcoins are also available, which look like coins with a Bitcoin logo on them.
So, can you buy 0.5 Bitcoin? The answer is yes! In fact, you can purchase fractional amounts of Bitcoin on most exchanges and marketplaces.
So if you’re looking to get started with this digital currency, there’s no need to wait until you have enough money to buy an entire coin.