It’s a type of digital currency in which encryption techniques are used to regulate the generation of units of currency and verify the transfer of funds, operating independently of a central bank.
In order to make deposit and withdraw , you need a bitcoin wallet ,to make a bitcoin wallet, register on blockchain.com
You can buy bitcoin from credit card instantly from coinbase also you can buy bitcoin from your country local bitcoin sellers at localbitcoins
Because it’s fast , less fee , global and TAX free