Bitcoin is the first decentralized digital currency and worldwide payment system. Now a days it is one of the most famous and popular criptocurrency in this planet. It is a notable currency. Now it have a highest market capitalization.
It works without a central management system. From 2009 it is running and its base nominate is satousi. Its transaction fees depends on storage of BTC and transected amount.
THATS I KNOW ABOUT BTC.