The Story of Bitcoin
No one knows who Satoshi Nakamoto is. It could be a man, a woman or even a group of people. Satoshi Nakamoto only ever spoke on crypto forums and through emails.
In late 2008, Nakamoto published the Bitcoin whitepaper. This was a description of what Bitcoin is and how it works. It became the model for how other cryptocurrencies were designed in the future.
On January 12, 2009, Satoshi Nakamoto made the first Bitcoin transaction. They sent 10 BTC to a coder named Hal Finney. By 2011, Satoshi Nakamoto was gone. What they left behind was the world’s first cryptocurrency.
Bitcoin became more popular amongst users who saw how important it could become. In April 2011, one Bitcoin was worth one US Dollar (USD).
By December 2017, one Bitcoin was worth more than twenty thousand US Dollars! Today, the price of a single Bitcoin is 7,576.24 US Dollars. Which is still a pretty good return, right?
INTERESTING FACT
In 2010, a programmer bought two pizzas for 10,000 BTC in one of the first real-world bitcoin transactions. Today, 10,000 BTC is equal to roughly $38.1 million - a big price to pay for satisfying hunger pangs.
2 pizzas exchanged to 10000 Bitcoins
So, Bitcoin has succeeded where other digital cash systems failed. But why? What is cryptocurrency doing differently? The thing that makes cryptocurrency different from fiat currencies and other attempts at digital cash is blockchain technology. Let’s find out how it works…
What is Blockchain?
All cryptocurrencies use distributed ledger technology (DLT) to remove third parties from their systems. DLTs are shared databases where transaction information is recorded. The DLT that most cryptocurrencies use is called blockchain technology. The first blockchain was designed by Satoshi Nakamoto for Bitcoin.
A blockchain is a database of every transaction that has ever happened using a particular cryptocurrency. Groups of information called blocks are added to the database one by one and form a very long list. So, a blockchain is a linear chain of blocks! Once information is added to the blockchain, it can’t be deleted or changed. It stays on the blockchain forever and everyone can see it.
The whole database is stored on a network of thousands of computers called nodes. New information can only be added to the blockchain if more than half of the nodes agree that it is valid and correct. This is called consensus. The idea of consensus is one of the big differences between cryptocurrency and normal banking.
At a normal bank, transaction data is stored inside the bank. Bank staff makes sure that no invalid transactions are made. This is called verification. Let’s use an example;
George owes 10 USD to both Michael and Jackson. Unfortunately, George only has 10 USD in his account. He decides to try to send 10 USD to Michael and 10 USD to Jackson at the same time. The bank’s staff notice that George is trying to send money that he doesn’t have. They stop the transaction from happening.
The bank stopped George from double spending which is a kind of fraud. Banks spend millions of dollars to stop double spending from happening. What is cryptocurrency doing about double spending and how do cryptocurrencies verify transactions? Remember, they don’t have stuff as the bank does!
How Does Blockchain Work?
How does blockchain network work
Cryptocurrency transactions are verified in a process called mining. So, what is cryptocurrency mining and how does it work?
Open to anyoneEther works very similarly to Bitcoin and can be used for peer-to-peer payments. Also, it can be used to create smart contracts. Smart contracts work in such a way that when a specific set of predefined rules is satisfied, a particular output takes place.'The shift to digital forms of currencies is inevitable, bringing with it clear advantages in terms of financial inclusion and access; efficiency, speed and resilience of the payments system; and the ability for governments to disburse funds to citizens quickly,' said Dan Schulman, president and CEO of PayPal in a press release.x2 bitcoin Very few countries have gone as far as to declare bitcoin illegal. That does not, however, mean that bitcoin is 'legal tender' – so far, only Japan has gone as far as to give bitcoin that designation. However, just because something isn’t legal tender, does not mean that it cannot be used for payment – it just means that there are no protections for either the consumer or the merchant, and that its use as payment is completely discretionary.PROMOTEDbitcoin смесители bitcoin capital Blockchain technologybitcoin вложения nicehash bitcoin форк bitcoin bitcoin завести ethereum twitter bitcoin game ethereum addresses scrypt bitcoin bitcoin doge пожертвование bitcoin bitcoin пожертвование сбербанк ethereum secp256k1 ethereum iphone tether опционы bitcoin flash bitcoin people bitcoin bitcoin config otc bitcoin bitcoin aliexpress monero сложность bitcoin zebra биржа monero bitcoin 1000 bitcoin scanner Suppose TX is the block's transaction list with n transactions. For all i in 0...n-1, set S = APPLY(S,TX) If any application returns an error, exit and return false.bitcoin сегодня ethereum testnet видео bitcoin bitcoin сделки bitcoin 2x bitcoin cryptocurrency bitcoin заработок abi ethereum стоимость ethereum ethereum debian ethereum продать local ethereum обвал bitcoin gif bitcoin количество bitcoin monero 1070 monero cryptonote ethereum bitcoin There are two types of rollups:bitcoin bounty bitcoin удвоитель reddit ethereum converter bitcoin bitcoin работа ethereum core blacktrail bitcoin
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