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?
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At present, Bitcoin’s counterfeit resistance is made possible by a deliberate design philosophy from the core developers that prides accessibility and user self-sovereignty at all costs. It is augmented by a network of Bitcoin businesses that provide hardware nodes or managed access to node software. However, if the chain’s growth were to radically accelerate, consumer-grade counterfeit resistance would be significantly impaired.ethereum stats tether addon monero bitcointalk xmr monero ico cryptocurrency ethereum упал neteller bitcoin криптовалюта tether фермы bitcoin
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While bitcoins are virtual, they are nonetheless produced products and incur a real cost of production - with electricity consumption being the most important factor by far. Bitcoin 'mining' as it is called, relies on a complicated cryptographic math problem that miners all compete to solve - the first one to do so is rewarded with a block of newly minted bitcoins and any transaction fees that have been accumulated since the last block was found. What is unique about bitcoin production is that unlike other produced goods, bitcoin's algorithm only allows for one block of bitcoins to be found, on average, once every ten minutes. That means the more producers (miners) that join in the competition for solving the math problem only have the effect of making that problem more difficult - and thus more expensive - to solve in order to preserve that ten-minute interval.1Historyethereum blockchain обменники ethereum bitcoin xyz 8 bitcoin payza bitcoin is bitcoin trade bitcoin trade bitcoin local bitcoin bitcoin cnbc bitcoin maps ethereum картинки bitcoin clock
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The first miner to solve these equations, and in the process verify transactions on the ledger, gets a reward, which is known as a 'block reward.' This reward is paid out in virtual coins, and is an example of how bitcoin transactions are verified. This process is referred to as 'proof of work.'bitcoin lion bitcoin лого
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