What is Bitcoin?
Bitcoin (BTC), known as a leading digital currency, is a distributed peer-to-peer digital currency that can be transferred instantly and securely between any two people in the world without costs or little. It can be directly transfered by a computer or a smartphone without the use of any intervening third party or intermediate financial institution. It means your bitcoin accounts cannot be frozen. Users cannot expose their identity.
Watch this fantastic video by James D’Angelo that will introduce you to bitcoin by reading through wikipedia about Bitcoin: