Bitcoin is a decentralized digital currency, without a central bank or single administrator, that can be sent from user to user on the peer-to-peer bitcoin network without the need for intermediaries. Transactions are verified by network nodes through cryptography and recorded in a public distributed ledger called a blockchain.
Bitcoin is unique in that there are a finite number of them: 21 million.
Bitcoins are created as a reward for a process known as mining. They can be exchanged for other currencies, products, and services. As of February 2015, over 100,000 merchants and vendors accepted bitcoin as payment. Research produced by the University of Cambridge estimates that in 2017, there were 2.
9 to 5.8 million unique users using a cryptocurrency wallet, most of them using bitcoin..
Bitcoin is pseudonymous, meaning that funds are not tied to real-world entities but rather bitcoin addresses. Owners of bitcoin addresses are not explicitly identified, but all transactions on the blockchain are public. In addition, transactions can be linked to individuals and companies through “idioms of use” (e.g., transactions that spend coins from multiple inputs indicate that the inputs may have a common owner) and corroborating public transaction data with known information on owners of certain addresses.
 Additionally, bitcoin exchanges, where bitcoins are traded for traditional currencies, may be required by law to collect personal information. To heighten financial privacy, a new bitcoin address can be generated for each transaction..
Coinbase is one of the most popular Bitcoin exchanges online. The company has been in business since 2012 and is now one of the leading Bitcoin exchanges in the world with over 1 million customers spread across 32 countries.
Coinbase allows you to buy and sell Bitcoins as well as store them in your wallet on their website or mobile app. .
Coinbase has been designed from the ground up to provide the best possible digital money experience on mobile phones. Their goal is to make it easy for you to buy, use, and accept Bitcoin Cash anywhere in the world.
Coinbase has built one of the most sophisticated digital currency businesses in operation today. They offer an easy-to-use service that appeals to first time Bitcoin buyers and experienced users alike.
You can buy Bitcoins with a connected bank account or debit card and cash out your profits easily as well.