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4 weeks agoGuide: What is Bitcoin and how does it work?
When the richest person in the world gives his support to a virtual currency you know it's big business.
Elon Musk has told users of an online social media app that he thinks the virtual currency, cryptocurrency Bitcoin, is a "good thing."
His comments resulted in the value of Bitcoin rising significantly.
So much so, that a singular Bitcoin went from being worth £3,600 in March last year to more than £27,000 now.
As talk of the currency has gone global, the Bank of Singapore has suggested that the 12-year-old currency could replace gold as its store of value.
However, in October, btc the head of the Bank of England, Andrew Bailey, warned about the unpredictability of Bitcoin, saying it makes him, "very nervous".
With all this talk you're probably wondering - what is Bitcoin and how does it all work?
Here's everything you need to know.
Bitcoin, often described as a cryptocurrency, a virtual currency or a digital currency - is a type of money that is completely virtual.
It's like an online version of cash. You can use it to buy products and services, but not many shops accept Bitcoin yet and some countries have banned it altogether.
However, some companies are beginning to buy into its growing influence.
In October last year, for example, the online payment service, PayPal, announced that it would be allowing its customers to buy bitcoin and sell Bitcoin.
The physical Bitcoins you see in photos are a novelty. They would be worthless without the private codes printed inside them.
Each Bitcoin is basically a computer file which is stored in a 'digital wallet' app on a smartphone or computer.
People can send Bitcoins (or cryptocurrency part of one) to your digital wallet, and you can send Bitcoins to other people.
Every single transaction is recorded in a public list called the blockchain.
This makes it possible to trace the history of Bitcoins to stop people from spending coins they do not own, making copies or undo-ing transactions.
There are three main ways people get Bitcoins.
You can buy Bitcoins using 'real' money. You can sell things and let people pay you with Bitcoins. Or they can be created using a computer.
In order for the Bitcoin system to work, people can make their computer process transactions for everybody.
The computers are made to work out incredibly difficult sums. Occasionally they are rewarded with a Bitcoin for the owner to keep.
People set up powerful computers just to try and get Bitcoins. This is called mining.
But the sums are becoming more and more difficult to stop too many Bitcoins being generated.
If you started mining now it could be years before you got a single Bitcoin.
You could end up spending more money on electricity for your computer than the Bitcoin would be worth.
There are lots of things other than money which we consider valuable like gold and diamonds. The Aztecs used cocoa beans as money!
Bitcoins are valuable because people are willing to exchange them for real goods and services, and even cash.
Some people like the fact that Bitcoin is not controlled by the government or banks.
People can also spend their Bitcoins fairly anonymously. Although all transactions are recorded, nobody would know which 'account number' was yours unless you told them.
In an online chat with social media users in January 2021, the world's richest man, Elon Musk, said he was a big supporter of Bitcoin.
He even went as far as to change his Twitter bio to "#bitcoin".
He has repeatedly shown his support to online currencies in recent years and caused major movements in their values due to his own personal wealth and influence.
This particular endorsement led to the value of Bitcoin to rise significantly.
Every transaction is recorded publicly so it's very difficult to copy Bitcoins, make fake ones or spend ones you don't own.
It is possible to lose your Bitcoin wallet or delete your Bitcoins and lose them forever. There have also been thefts from websites that let you store your Bitcoins remotely.
The value of Bitcoins has gone up and down over the years since it was created in 2009 and some people don't think it's safe to turn your 'real' money into Bitcoins.
This concern was expressed by the head of The Bank of England, Andrew Bailey, in October 2020.
He said that he was "very nervous" about people using Bitcoin for payments pointing out that investors should realise its price is extremely volatile.
By this, he meant that the value could drop significantly at any moment and investors could lose a lot of money.

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