What Is Bitcoin?
How this digital currency works and why it's so controversial
by Paul Gil
Updated on March 09, 2020
Cryptocurrency
What Are Bitcoins?
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Bitcoin is a virtual currency that gained recognition after its price-per-coin rose above $13,000 in early 2018. The cryptocurrency (one of many) is at the center of a complex intersection of privacy, banking regulations, and technological innovation. Today, some retailers accept bitcoin, while in other jurisdictions, bitcoin is illegal.
Cryptocurrency Defined
Cryptocurrencies are lines of computer code that hold monetary value. These lines of code are created by electricity and high-performance computers.
Cryptocurrency is also known as digital currency. It's a form of digital money created by mathematical computations and policed by millions of computers (called miners) on the same network. Physically, there's nothing to hold, although crypto can be exchanged for cash.
An illustration of how cryptocurrency works
Lifewire / Vin Ganapathy
Crypto comes from the word cryptography, which is the process used to protect the transactions that send the lines of code for purchases. Cryptography also controls the creation of new coins. Hundreds of coin types now dot the crypto markets, but only a handful have the potential to become a viable investment.
Governments have no control over the creation of cryptocurrencies, which is what initially made them so popular. Most cryptocurrencies begin with a market cap in mind, which means that their production decreases over time. This is similar to the physical monetary production of coins; production ends at a certain point and the coins become more valuable in the future.
What Are Bitcoins?
Bitcoin was the first popular cryptocurrency. No one knows who created it — most cryptocurrencies are designed for maximum anonymity — but bitcoins first appeared in 2009 from a developer reportedly named Satoshi Nakamoto. He has since disappeared and left behind a bitcoin fortune.
Because bitcoin was the first major cryptocurrency, all digital currencies created since then are called altcoins, or alternative coins. Litecoin, Peercoin, Feathercoin, Ethereum, and hundreds of other coins are all altcoins because they are not bitcoin.
One of the advantages of bitcoin is that it can be stored offline on local hardware, such as a secure hard drive. This process is called cold storage, and it protects the currency from being stolen by others. When the currency is stored on the internet somewhere, which is referred to as hot storage, there is a risk of it being stolen.
On the flip side, if a person loses access to the hardware that contains the bitcoins, the currency is gone forever. It's estimated that as much as $30 billion in bitcoins has been lost or misplaced by miners and investors.
Why Bitcoin Is so Controversial
Various events turned bitcoin into a media sensation.
From 2011 to 2013, criminal traders made bitcoins famous by buying them in batches of millions of dollars so they could move money outside of the eyes of law enforcement and tax collectors. Subsequently, the value of bitcoins skyrocketed.
Illegal financial transaction
krisanapong detraphiphat / Getty Images
Scams, too, are very real in the cryptocurrency world. Naive and savvy investors alike can lose hundreds or thousands of dollars to scams.
Bitcoins and altcoins are controversial because they take the power of issuing money away from central banks and give it to the general public. Bitcoin accounts cannot be frozen or examined by tax inspectors, and middleman banks are unnecessary for bitcoins to move. Law enforcement officials and bankers see bitcoins as similar to gold nuggets in the wild west — beyond the control of police and financial institutions.
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In simpler words, the digital ledger is like a Google spreadsheet shared among numerous computers in a network, in which, the transactional records are stored based on actual purchases. The fascinating angle is that anybody can see the data, but they can’t corrupt it.bitcoin chart tether download monero pro обновление ethereum bitcoin electrum Conclusionbitcoin презентация store bitcoin dat bitcoin bitcoin purse сигналы bitcoin фермы bitcoin monero btc bitcoin fund bitcoin exchanges bitcoin metatrader monero rur bitcoin сервисы биткоин bitcoin ethereum эфир tcc bitcoin
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registration bitcoin bitcoin fund key bitcoin Cryptocurrencies aren’t just for sending money without using a bank. They can do all kinds of cool things. These cryptocurrencies and many others are available to buy and sell on crypto exchanges. So, what is cryptocurrency trading?iobit bitcoin One area in which Bitcoin and Litecoin differ significantly is in market capitalization. As of May 2020, the total value of all bitcoin in circulation is just under $128 billion, making its market cap more than 45 times larger than Litecoin, which has a total value of under $3 billion.2 Whether Bitcoin's market cap strikes you as either high or low depends largely on a historical perspective. When we consider that Bitcoin’s market capitalization was barely $42,000 in July 2010, its current figure seems staggering, though not as much when compared to its high market cap of $326 billion on December 17, 2017.6 Nonetheless, though the total number of bitcoins is worth substantially less now than it was two years ago, Bitcoin as a network still dwarfs all other digital currencies. The closest competitor is Ethereum, the second-largest cryptocurrency, which has a market cap of around $19.4 billion.2 Thus, the fact that Bitcoin enjoys a significantly higher value than Litecoin is in itself not a surprise, given that Bitcoin is so much larger than all other digital currencies in existence at this time.electrum bitcoin bitcoin вконтакте bitcoin рублей bitcoin монет tether limited обновление ethereum nvidia bitcoin battle bitcoin client bitcoin bitcoin порт
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Open source: The code is public for anyone to look at, copy and audit.An important feature of the protocol is that, although it may seem like one is trusting many random nodes not to decide to forget the file, one can reduce that risk down to near-zero by splitting the file into many pieces via secret sharing, and watching the contracts to see each piece is still in some node's possession. If a contract is still paying out money, that provides a cryptographic proof that someone out there is still storing the file.ethereum вики обменник tether суть bitcoin keystore ethereum автоматический bitcoin bitcoin greenaddress bitcoin xt abi ethereum
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