Bitcoin mining is extracting bitcoins by solving complex mathematical problems. It is called mining because it resembles the original process of mining metals and minerals. The mining cost increases with time, quantity of bitcoins remains reduce with time pushing the prices of bitcoins up, that is similar to what happens in precious metals like gold and silver.
Bitcoin is a money through online. Bitcoin is a money in the internet which are most of the people wasn't know this yet. Bitcoin right now has a high price. It is the money from the internet which can help you on everything. Bitcoin helps people who knows this already. Being a newbie heDre, that was what I can say about bitcoin. It can help people (eg.if they need a job through online) there they can work here if they want.
Bitcoin is simply described as a digital currency, instead of having your money in banks and on printed papers, now you can have your money on your phone, laptop etc.. as digital wallets.
It is the other way of earning money.