What is BlockchainModern technology allows people to communicate directly Voice and video calls emails Pictures and instant message Travel direct from a to b. Maintain a trust between individuals no matter how far they are.When it comes to money people have to trust a third party To be able to complete a transaction, Blockchain technology is doing that job in a very challenging way by using math and cryptography.Blockchain provides an open decentralized database of every transaction involving money, value. Goods, property. Creating a record whose authenticity can be verified by the whole community.A blockchain is a record. It’s a record, that is always developing. So it monitors all the transaction, in a permanent way. It uses very advanced cryptography to make sure that it’s actually locked inside the blockchain.what is cryptographyCryptography is The technique of hiding (encrypting ) information. Those techniques can be microdots, merging words with images, and other ways to hide information. The only one who knows a secret key can Unknot ( decrypt) the information.As the Internet and different types of electronic correspondence turn out to be more pervasive, electronic security is ending up progressively Obligatory. Cryptography is utilized to ensure email messages, credit card data, and corporate information.cryptography systems used on the Internet is Reasonably Good Privacy because it’s effective and free.How to get bitcoinsAs you understand previously that bitcoins initially originate from mining, You may think this is simply the ideal approach to get some for yourself. Unfortunately, this has becomes turned out for average peoples to take part. As more intense, mining hardware has been introduced. Another approach to get bitcoins is to buy them by providing goods or services in exchange for the bitcoins.You can pay for them in a variety of ways, ranging from credit and debit cards to wire transfers, or even hard cash, depending on who you are buying them from and where you live.There are some freelancing sites which offer to pay in bitcoins for their job done.what is bitcoin walletLet’s suppose you have decided to buy bitcoins you may now be asking yourself how to store them. Unlike fiat currency, Bitcoins are not stored anywhere; there is a secret key for every Bitcoin address that is saved in the Bitcoin wallet.You can assume bitcoin wallet as your bank account which Allots you a unique account number but your bitcoin wallet will give you a unique wallet address.A bitcoin wallet is what you use to receive, send, and store your bitcoin.A bitcoin wallet can be created in just a few seconds. All you need is an email address and a password you choose, that’s it and You will be able to send and receive payments Instantly. Is bitcoin limited supply:Like gold, Bitcoin is also scarce: its supply is limited. There are currently just over 16.2m Bitcoin in circulation and the maximum that will ever exist is capped at 21 million. there are only 21 million Bitcoins that can be mined in total.Why is bitcoin total supply limited to 21 million? Well, it’s a capricious choice from the maker of Bitcoin, Nakamoto, with the goal that Bitcoin, in the end, turns into a deflationary money when the 21 million bitcoins are created.it’s one of the principal difference with Fiat currency (Dollars, euros, pounds, yens etc..). Fiat currencies, because governments can simply print more, With a limited number of Bitcoin, Nakamoto’s desire was to stay away from that Commotion.What Happens to Bitcoin After All 21 Million are Mined?21 million bitcoins created does NOT mean that there are only 21 millions of units of Bitcoins available around the world Because these coins can be divided into smaller parts in fact 21 Million bitcoin is equal to 21quadtrillion satoshis. Today 1 cent is equal to 220 satoshis, the day one Satoshi becomes equal to 1 cent ( maybe in 20–30 years)then they will have a great value for majority hence there is enough crypto for the whole human race.Is bitcoin anonymousThe answer is no, not at all. Bitcoin is actually pseudonymous, On one hand, Bitcoin completely anonymous on the other it is completely transparent and trackable because when you’re in the bitcoin network your bitcoin address is your identity and because bitcoin has an open blockchain, since all transactions are recorded in a public ledger people will now be able to know the number of Bitcoins you own on this address, which addresses sent you money and which received money from you.Why do people trust Bitcoin?A great part of the trust in Bitcoin originates from the way that it requires no trust at all. Bitcoin is completely open-source and decentralized. This implies anybody approaches the whole source code whenever. Any developer in the world can prove how Bitcoin works. All transaction can be made without dependence on an outsider on a third party and the entire framework is ensured by vigorously peer-reviewed cryptographic algorithmsWho Sets Bitcoins PriceBitcoin’s price isn’t set by anyone specifically, The price of a bitcoin is determined by supply and demand. When demand for bitcoins increases, the price increases, and when demand falls, the price falls.Is Bitcoin a Good InvestmentI can not give you advice on that because Bitcoin can be incredibly risky …In fact, you can have the look at this question on Quora (a forum) by following the link given below, where some experts have given their opinion on this question.