Statements (1) and (2) about Bitcoin are correct. The Reserve Bank of India had not recognised it as a legal tender till January 2016. Bitcoin is a piece of digital code which is also used by the people as currency. It was started in 2009 by Satoshi Nakamoto, whose real identity is still shrouded in mystery. They can be mined by solving these data blocks using special computer software. Solving one data block fetches 25 bitcoins currently