What Is Bitcoin And How Does It Work?

What Is Bitcoin And How Does It Work

Not 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.

What Is Bitcoin?

Bitcoin is a decentralized digital currency that you can buy, sell and exchange directly, without an intermediary like a bank. Bitcoin’s creator, Satoshi Nakamoto, originally described the need for “an electronic payment system based on cryptographic proof instead of trust.” Each and every Bitcoin transaction that’s ever been made exists on a public ledger accessible to everyone, making transactions hard to reverse and difficult to fake. That’s by design: Core to their decentralized nature, Bitcoins aren’t backed by the government or any issuing institution, and there’s nothing to guarantee their value besides the proof baked in the heart of the system.

“The reason why it’s worth money is simply because we, as people, decided it has value—same as gold,” says Anton Mozgovoy, co-founder & CEO of digital financial service company Holyheld. Since its public launch in 2009, Bitcoin has risen dramatically in value. Although it once sold for under $150 per coin, as of March 1, 2021, one Bitcoin now sells for almost $50,000. Because its supply is limited to 21 million coins, many expect its price to only keep rising as time goes on, especially as more large, institutional investors begin treating it as a sort of digital gold to hedge against market volatility and inflation.

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.”

Also Read: Bitcoin Surpasses Facebook in Market capitalisation: Key Points

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 Does Bitcoin Mining Work?

Bitcoin mining is the process of adding new transactions to the Bitcoin blockchain. It’s a tough job. People who choose to mine Bitcoin use a process called proof of work, deploying computers in a race to solve mathematical puzzles that verify transactions.

To entice miners to keep racing to solve the puzzles and support the overall system, the Bitcoin code rewards miners with new Bitcoins. “This is how new coins are created” and new transactions are added to the blockchain, says Okoro.

Also Read: Why Elon Musk Said Governments Can’t Destroy Crypto? Is He Right?

In the early days, it was possible for the average person to mine bitcoins, but this is no longer the case. This now requires more and more computing resources. Mining today requires powerful computers and vast amounts of cheap electricity to be successful.

Bitcoin mining also pays less than it used to, making it even harder to recoup the rising computational and electrical costs. “In 2009, when this technology first came out, every time you got a stamp, you got a much larger amount of Bitcoin than you do today,” says Flori Marquez, co-founder of BlockFi, a crypto wealth management company. “There are more and more transactions [now, so] the amount you get paid for each stamp is less and less.” By 2140, it’s estimated all Bitcoins will have entered circulation, meaning mining will release no new coins, and miners may instead have to rely on transaction fees.

How to Use Bitcoin?

US People in the U.S. typically use bitcoin as an alternative investment, with the addition of stocks and bonds to help diversify portfolios. You can also use bitcoin to make purchases, but the number of sellers that accept the cryptocurrency is still limited. Large companies that accept bitcoin include Overstock, AT&T, and Twitch. You may also find that some small local retailers or some websites carry cryptocurrency, but that will require you 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.”

Bitcoin Cryptocurrencies

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.

“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.

Also Read: How Crypto Wallets Work: Key Things To Know

Some important notes about buying bitcoins: Although it is expensive, you can buy fractional bitcoins from some vendors. You also need to pay attention to fees, which are usually a small percentage of your crypto transaction amount, but can really add up on small-dollar purchases. Finally, be aware that buying bitcoin is not instantaneous, as many other equity purchases seem to be. Since crypto transactions must be verified by miners, it may take at least 10-20 minutes for you to see bitcoin purchases in your account.

How to Invest in Bitcoin

Like a stock, you can buy and hold Bitcoin as an investment. You can even now do so in special retirement accounts called Bitcoin IRAs. No matter where you choose to hold your Bitcoin, people’s philosophies on how to invest it vary: Some buy and hold long term, some buy and aim to sell after a price rally, and others bet on its price decreasing. Bitcoin’s price over time has experienced big price swings, going as low as $5,165 and as high as $28,990 in 2020 alone.

“I think in some places, people might be using Bitcoin to pay for things, but the truth is that it’s an asset that looks like it’s going to be increasing in value relatively quickly for some time,” Marquez says. “So why would you sell something that’s going to be worth so much more next year than it is today? The majority of people that hold it are long-term investors.”

Consumers can also invest in a Bitcoin mutual fund by buying shares of the Grayscale Bitcoin Trust (GBTC), though it’s currently only open to accredited investors who make at least $200,000 or have net worths of at least $1 million. This means the majority of Americans aren’t able to buy into it. In Canada, however, diversified Bitcoin investing is becoming more accessible.

An important note, though: While crypto-based funds may add diversification to crypto holdings and decrease risk slightly, they do still carry substantially more risk and charge much higher fees than broad-based index funds with histories of steady returns. Investors looking to grow wealth steadily may opt for index-based mutual and exchange-traded funds (ETFs).

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