Those Who don't Know about CRIPTOCRANCY..

A cryptocurrency (or crypto currency) is a digital asset designed to work as a medium of exchange using cryptography to secure the transactions and to control the creation of additional units of the currency. ... Bitcoin became the first decentralized cryptocurrency in 2009.

Cryptocurrency is an encrypted decentralized digital currency transferred between peers and confirmed in a public ledger via a process known as mining. ... First, let's review the basics and essentials of cryptocurrency, and then we will do an overview of the other properties that have made cryptocurrency what it is today.

What is the meaning of Steem?
Steem is Social Networking with Rewards. Steem is an aggregate social networking site where users, or "Steemians", post original content, links from the Internet and questions. Steem users upvote or downvote this content to promote interesting post and reward the author.