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Guide: What is Bitcoin and how does it work? BBC Newsround

Data publikacji: 19 października 2022, zmodyfikowano: 18 kwietnia 2023 przez sadsa sdsa

Please redirect to ##BY_COUNTRY_LICENSE## if you are a ##CURRENT_COUNTRY## resident. After a few level years, its dollar https://www.tokenexus.com/ soared during 2017, and it peaked at more than $20,000. But the price has plunged since then, leaving investors to ponder whether its bubble has burst or the best is yet to come. Satoshi Nakamoto is the mysterious creator of Bitcoin and blockchain. Despite countless attempts to unmask the person or people behind the name, their identity has remained elusive.

• They include CEX stores, some pubs and stores like e-cigarette shops and YourSushi restaurants.
• This means there are no rules in place to protect you from losing everything, and no watchdog to ensure everyone involved plays fair.
• Often described as a cryptocurrency, it is a type of money that is completely virtual – “it’s like an online version of cash”, the BBC said.
• They would be worthless without the private codes printed inside them.
• Nodes are essential for the security and stability of the Bitcoin network.
• Overseas payments are made much simpler when using Bitcoin.

One consideration is security; the crypto exchanges can be vulnerable to hacking attacks, theft and collapse. For instance, when major cryptocurrency exchange FTX collapsed in November 2022, investors lost billions of dollars. The idea behind cryptocurrency is that people can transfer value online outside of the control of governments or central banks. One of the first — and clearly the most popular — cryptocurrencies established with a set limit for production is Bitcoin. An individual known only by the pseudonym Satoshi Nakamoto established Bitcoin and the technology to generate and manage the cryptocurrency in 2008. Nakamoto limited the number of Bitcoins generated by the distributed network of computers in his exchange to 21 million.

Mining

It’s unregulated, volatile and can’t be used as widely as traditional currencies. That represents an increase of more than 285% – but it hasn’t all been plain sailing. In January, Bitcoin’s value nosedived by around 22% in 24 hours. The cryptocurrency continues to fluctuate in value today. Each new block links back to the previous block containing information about older transactions.

A What is Bitcoin is a digital ledger that records all Bitcoin transactions. A network of nodes maintains the blockchain rather than one person or entity. Like all assets or currencies, bitcoin’s price is determined by the amount that people are willing to pay for it. Whether that is the “right” valuation, and whether bitcoin is truly worth that amount or not, is largely down to opinion.

Speed and ease of payments +

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. Every transaction is recorded publicly so it’s very difficult to copy Bitcoins, make fake ones or spend ones you don’t own. Bitcoins are valuable because people are willing to exchange them for real goods and services, and even cash. You can sell things and let people pay you with Bitcoins. 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.