What Is Bitcoin? Complete History of Bitcoin

 

what-is-bitcoin-complete-history

What Is Bitcoin? Complete History of Bitcoin

Not only is Bitcoin the first crypto currency, but it’s also the best known of the more than 5,000 crypto currencies in existence today. Financial media eagerly covers each new dramatic high and stomach churning decline, making Bitcoin an inescapable part of the landscape.

While the wild volatility might produce great headlines, it hardly makes Bitcoin the best choice for novice investors or people looking for a stable store of value. Understanding the ins and outs can be tricky—let’s take a closer look at how Bitcoin works.

 

 

What Is Bitcoin?

Bitcoin is a digital currency that was created in January 2009. It follows the ideas set out in a whitepaper by the mysterious and pseudonymous Satoshi Nakamoto. The identity of the person or persons whoNot only is Bitcoin the first cryptocurrency, but it’s also the best known of the more than 5,000 cryptocurrencies in existence today. Financial media eagerly covers each new dramatic high and stomach churning decline, making Bitcoin an inescapable part of the landscape.

 

While the wild volatility might produce great headlines, it hardly makes Bitcoin the best choice for novice investors or people looking for a stable store of value. Understanding the ins and outs can be tricky—let’s take a closer look at how Bitcoin works. created the technology is still a mystery. Bitcoin offers the promise of lower transaction fees than traditional online payment mechanisms and, unlike government-issued currencies, it is operated by a decentralized authority.

Bitcoin is a type of cryptocurrency. There are no physical bitcoins, only balances kept on a public ledger that everyone has transparent access to. All bitcoin transactions are verified by a massive amount of computing power. Bitcoins are not issued or backed by any banks or governments, nor are individual bitcoins valuable as a commodity. Despite it not being legal tender, Bitcoin is very popular and has triggered the launch of hundreds of other cryptocurrencies, collectively referred to as altcoins. Bitcoin is commonly abbreviated as "BTC."

 

KEY TAKEAWAYS

  • Launched in 2009, bitcoin is the world's largest cryptocurrency by market capitalization.
  • Unlike fiat currency, bitcoin is created, distributed, traded, and stored with the use of a decentralized ledger system, known as a blockchain.
  • Bitcoin's history as a store of value has been turbulent; the cryptocurrency skyrocketed up to roughly $20,000 per coin in 2017, but less than years later, it was trading for less than half of that.
  • As the earliest virtual currency to meet widespread popularity and success, bitcoin has inspired a host of other cryptocurrencies in its wake.

How Does Bitcoin Work?

Bitcoin is built on a distributed digital record called a blockchain. As the name implies, blockchain is a linked body of data, made up of units called blocks that contain information about each and every transaction, including date and time, total value, buyer and seller, and a unique identifying code for each exchange. Entries are strung together in chronological order, creating a digital chain of blocks.

“Once a block is added to the blockchain, it becomes accessible to anyone who wishes to view it, acting as a public ledger of cryptocurrency transactions,” says Stacey Harris, consultant for Pelicoin, a network of cryptocurrency ATMs.

Blockchain is decentralized, which means it’s not controlled by any one organization. “It’s like a Google Doc that anyone can work on,” says Buchi Okoro, CEO and co-founder of African cryptocurrency exchange Quidax. “Nobody owns it, but anyone who has a link can contribute to it. And as different people update it, your copy also gets updated.”

While the idea that anyone can edit the blockchain might sound risky, it’s actually what makes Bitcoin trustworthy and secure. In order for a transaction block to be added to the Bitcoin blockchain, it must be verified by the majority of all Bitcoin holders, and the unique codes used to recognize users’ wallets and transactions must conform to the right encryption pattern.

These codes are long, random numbers, making them incredibly difficult to fraudulently produce. In fact, a fraudster guessing the key code to your Bitcoin wallet has roughly the same odds as someone winning a Powerball lottery nine times in a row, according to Bryan Lotti of Crypto Aquarium. This level of statistical randomness blockchain verification codes, which are needed for every transaction, greatly reduces the risk anyone can make fraudulent Bitcoin transactions.

How to Use Bitcoin

In the U.S. people generally use Bitcoin as an alternative investment, helping diversify a portfolio apart from stocks and bonds. You can also use Bitcoin to make purchases, but the number of vendors that accept the cryptocurrency is still limited.

Big companies that accept Bitcoin include Overstock, AT&T and Twitch. You may also find that some small local retailers or certain websites take Bitcoin, but you’ll have to do some digging.

That said, PayPal has announced that it will enable cryptocurrency as a funding source for purchases this year, financing purchases by automatically converting crypto holdings to fiat currency for users.

“They have 346 million users and they’re connected to 26 million merchants,” says Spencer Montgomery, founder of Uinta Crypto Consulting. “It’s huge.”

You can also use a service that allows you to connect a debit card to your crypto account, meaning you can use Bitcoin the same way you’d use a credit card. This also generally involves a financial provider instantly converting your Bitcoin into dollars. “Crypto.com and CoinZoom are two services that have regulation in the U.S.,” Montgomery says.

In other countries—particularly those with less stable currencies—people sometimes use cryptocurrency instead of their own currency.

“Bitcoin provides an opportunity for people to store value without relying on a currency that is backed by a government,” Montgomery says. “It gives people an option to hedge for a worst-case scenario. You’re already seeing people in countries like Venezuela, Argentina, Zimbabwe—in countries heavily in debt, Bitcoin is getting tremendous traction.”

That said, when you use Bitcoin as a currency, not an investment, in the U.S., you do have to be aware of certain tax implications.

How to Buy Bitcoin

Most people buy Bitcoin via exchanges, such as Coinbase. Exchanges allow you to buy, sell and hold cryptocurrency, and setting up an account is similar to opening a brokerage account—you’ll need to verify your identity and provide some kind of funding source, such as a bank account or debit card.

Major exchanges include Coinbase, Kraken, and Gemini. You can also buy Bitcoin at a broker like Robinhood.

Regardless of where you buy your Bitcoin, you’ll need a digital wallet in which to store it. This might be what’s called a hot wallet or a cold wallet. A hot wallet (also called an online wallet) is stored by an exchange or a provider in the cloud. Providers of online wallets include Exodus, Electrum and Mycelium. A cold wallet (or mobile wallet) is an offline device used to store Bitcoin and is not connected to the Internet. Some mobile wallet options include Trezor and Ledger.

A few important notes about buying Bitcoin: While Bitcoin is expensive, you can buy fractional Bitcoin from some vendors. You’ll also need to look out for fees, which are generally small percentages of your crypto transaction amount but can really add up on small-dollar purchases. Finally, be aware that Bitcoin purchases are not instantaneous like many other equity purchases seemingly are. Because Bitcoin transactions must be verified by miners, it may take you at least 10-20 minutes to see your Bitcoin purchase in your account.

 

Understanding Bitcoin

The bitcoin system is a collection of computers (also referred to as "nodes" or "miners") that all run bitcoin's code and store its blockchain. Metaphorically, a blockchain can be thought of as a collection of blocks. In each block is a collection of transactions. Because all the computers running the blockchain has the same list of blocks and transactions, and can transparently see these new blocks being filled with new bitcoin transactions, no one can cheat the system.

Anyone, whether they run a bitcoin "node" or not, can see these transactions occurring live. In order to achieve a nefarious act, a bad actor would need to operate 51% of the computing power that makes up bitcoin. Bitcoin has around 12,000 nodes, as of January 2021, and this number is growing, making such an attack quite unlikely.


 But in the event that an attack was to happen, the bitcoin miners—the people who take part in the bitcoin network with their computer—would likely fork to a new blockchain making the effort the bad actor put forth to achieve the attack a waste.

Balances of bitcoin tokens are kept using public and private "keys," which are long strings of numbers and letters linked through the mathematical encryption algorithm that was used to create them. The public key (comparable to a bank account number) serves as the address which is published to the world and to which others may send bitcoins.

The private key (comparable to an ATM PIN) is meant to be a guarded secret and only used to authorize bitcoin transmissions. Bitcoin keys should not be confused with a bitcoin wallet, which is a physical or digital device that facilitates the trading of bitcoin and allows users to track ownership of coins. The term "wallet" is a bit misleading, as bitcoin's decentralized nature means that it is never stored "in" a wallet, but rather decentrally on a blockchain.

Peer-to-Peer Technology

Bitcoin is one of the first digital currencies to use peer-to-peer technology to facilitate instant payments. The independent individuals and companies who own the governing computing power and participate in the bitcoin network—bitcoin "miners"—are in charge of processing the transactions on the blockchain and are motivated by rewards (the release of new bitcoin) and transaction fees paid in bitcoin.

These miners can be thought of as the decentralized authority enforcing the credibility of the bitcoin network. New bitcoin is released to the miners at a fixed, but periodically declining rate. There are only 21 million bitcoin that can be mined in total. As of January 30, 2021, there are approximately 18,614,806 bitcoin in existence and 2,385,193 bitcoin left to be mined.3

In this way, bitcoin other cryptocurrencies operate differently from fiat currency; in centralized banking systems, currency is released at a rate matching the growth in goods; this system is intended to maintain price stability. A decentralized system, like bitcoin, sets the release rate ahead of time and according to an algorithm.

Bitcoin Mining

Bitcoin mining is the process by which bitcoins are released into circulation. Generally, mining requires the solving of computationally difficult puzzles in order to discover a new block, which is added to the blockchain.

Bitcoin mining adds and verifies transaction records across the network. For adding blocks to the blockchain, miners are rewarded with a few bitcoins; the reward is halved every 210,000 blocks. The block reward was 50 new bitcoins in 2009. On May 11th, 2020, the third halving occurred, bringing the reward for each block discovery down to 6.25 bitcoins.

A variety of hardware can be used to mine bitcoin. However, some yield higher rewards than others. Certain computer chips, called Application-Specific Integrated Circuits (ASIC), and more advanced processing units, like Graphic Processing Units (GPUs), can achieve more rewards. These elaborate mining processors are known as "mining rigs."

One bitcoin is divisible to eight decimal places (100 millionths of one bitcoin), and this smallest unit is referred to as a Satoshi.If necessary, and if the participating miners accept the change, bitcoin could eventually be made divisible to even more decimal places.

History of Bitcoin

Aug. 18, 2008

The domain name bitcoin.org is registered. Today, at least, this domain is "WhoisGuard Protected," meaning the identity of the person who registered it is not public information.

Oct. 31, 2008

A person or group using the name Satoshi Nakamoto makes an announcement on the Cryptography Mailing list at metzdowd.com: "I've been working on a new electronic cash system that's fully peer-to-peer, with no trusted third party. This now-famous whitepaper published on bitcoin.org, entitled "Bitcoin: A Peer-to-Peer Electronic Cash System," would become the Magna Carta for how Bitcoin operates today.

Jan. 3, 2009

The first Bitcoin block is mined, Block 0. This is also known as the "genesis block" and contains the text: "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks," perhaps as proof that the block was mined on or after that date, and perhaps also as relevant political commentary.

Jan. 8, 2009

The first version of the bitcoin software is announced on the Cryptography Mailing list.

Jan. 9, 2009

Block 1 is mined, and bitcoin mining commences in earnest.

Who Is Satoshi Nakamoto?

No one knows who invented bitcoin, or at least not conclusively. Satoshi Nakamoto is the name associated with the person or group of people who released the original bitcoin white paper in 2008 and worked on the original bitcoin software that was released in 2009. In the years since that time, many individuals have either claimed to be or have been suggested as the real-life people behind the pseudonym, but as of January 2021, the true identity (or identities) behind Satoshi remains obscured.

Although it is tempting to believe the media's spin that Satoshi Nakamoto is a solitary, quixotic genius who created Bitcoin out of thin air, such innovations do not typically happen in a vacuum. All major scientific discoveries, no matter how original-seeming, were built on previously existing research.

There are precursors to bitcoin: Adam Back’s Hashcash, invented in 1997, and subsequently Wei Dai’s b-money, Nick Szabo’s bit gold, and Hal Finney’s Reusable Proof of Work. The bitcoin whitepaper itself cites Hashcash and b-money, as well as various other works spanning several research fields. Perhaps unsurprisingly, many of the individuals behind the other projects named above have been speculated to have also had a part in creating bitcoin.

There are a few possible motivations for bitcoin's inventor deciding to keep their identity secret. One is privacy: As bitcoin has gained in popularity—becoming something of a worldwide phenomenon—Satoshi Nakamoto would likely garner a lot of attention from the media and from governments.

Another reason could be the potential for bitcoin to cause a major disruption in the current banking and monetary systems. If bitcoin were to gain mass adoption, the system could surpass nations' sovereign fiat currencies. This threat to existing currency could motivate governments to want to take legal action against bitcoin's creator.

The other reason is safety. Looking at 2009 alone, 32,489 blocks were mined; at the reward rate of 50 bitcoin per block, the total payout in 2009 was 1,624,500 bitcoin. One may conclude that only Satoshi and perhaps a few other people were mining through 2009 and that they possess a majority of that stash of bitcoin.

Someone in possession of that much bitcoin could become a target of criminals, especially since bitcoins are less like stocks and more like cash, where the private keys needed to authorize spending could be printed out and literally kept under a mattress. While it's likely the inventor of bitcoin would take precautions to make any extortion-induced transfers traceable, remaining anonymous is a good way for Satoshi to limit exposure.

Special Considerations

Bitcoin as a Form of Payment

Bitcoins can be accepted as a means of payment for products sold or services provided. Brick and mortar stores can display a sign saying “Bitcoin Accepted Here”; the transactions can be handled with the requisite hardware terminal or wallet address through QR codes and touch screen apps. An online business can easily accept bitcoins by adding this payment option to its other online payment options: credit cards, PayPal, etc.

Bitcoin Employment Opportunities

Those who are self-employed can get paid for a job related to bitcoin. There are a number of ways to achieve this, such as creating any internet service and adding your bitcoin wallet address to the site as a form of payment. There are also several websites and job boards that are dedicated to digital currencies:

  • Cryptogrind brings together work seekers and prospective employers through its website
  • Coinality features jobs—freelance, part-time and full-time—that offer payment in bitcoins, as well as other cryptocurrencies like Dogecoin and Litecoin
  • Jobs4Bitcoins, part of reddit.com
  • BitGigs
  • Bitwage offers a way to choose a percentage of your work paycheck to be converted into bitcoin and sent to your bitcoin address

 

Investing in Bitcoins

There are many bitcoin supporters who believe that digital currency is the future. Many individuals who endorse bitcoin believe that it facilitates a much faster, low-fee payment system for transactions across the globe. Although it is not backed by any government or central bank, bitcoin can be exchanged for traditional currencies; in fact, its exchange rate against the dollar attracts potential investors and traders interested in currency plays. Indeed, one of the primary reasons for the growth of digital currencies like bitcoin is that they can act as an alternative to national fiat money and traditional commodities like gold.

In March 2014, the IRS stated that all virtual currencies, including bitcoins, would be taxed as property rather than currency. Gains or losses from bitcoins held as capital will be realized as capital gains or losses, while bitcoins held as inventory will incur ordinary gains or losses. The sale of bitcoins that you mined or purchased from another party, or the use of bitcoins to pay for goods or services, are examples of transactions that can be taxed.

Like any other asset, the principle of buying low and selling high applies to bitcoins. The most popular way of amassing the currency is through buying on a bitcoin exchange, but there are many other ways to earn and own bitcoins.

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