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What is Cryptocurrency?

At its core, cryptocurrency is typically decentralized digital money designed to be used over the internet. Bitcoin, which launched in 2008, was the first cryptocurrency, and it remains by far the biggest, most influential, and best-known. In the decade since, Bitcoin and other cryptocurrencies like Ethereum have grown as digital alternatives to money issued by governments.

The most popular cryptocurrencies, by market capitalization, are Bitcoin, Ethereum, Bitcoin Cash and Litecoin. Other well-known cryptocurrencies include Tezos, EOS, and ZCash. Some are similar to Bitcoin. Others are based on different technologies, or have new features that allow them to do more than transfer value.

Crypto makes it possible to transfer value online without the need for a middleman like a bank or payment processor, allowing value to transfer globally, near-instantly, 24/7, for low fees.

Cryptocurrencies are usually not issued or controlled by any government or other central authority. They’re managed by peer-to-peer networks of computers running free, open-source software. Generally, anyone who wants to participate is able to.

If a bank or government isn’t involved, how is crypto secure? It’s secure because all transactions are vetted by a technology called a blockchain.

A cryptocurrency blockchain is similar to a bank’s balance sheet or ledger. Each currency has its own blockchain, which is an ongoing, constantly re-verified record of every single transaction ever made using that currency.

Unlike a bank’s ledger, a crypto blockchain is distributed across participants of the digital currency’s entire network

No company, country, or third party is in control of it; and anyone can participate. A blockchain is a breakthrough technology only recently made possible through decades of computer science and mathematical innovations.

Why is cryptocurrency the future of finance?

Cryptocurrencies are the first alternative to the traditional banking system, and have powerful advantages over previous payment methods and traditional classes of assets. Think of them as Money 2.0. -- a new kind of cash that is native to the internet, which gives it the potential to be the fastest, easiest, cheapest, safest, and most universal way to exchange value that the world has ever seen.

Cryptocurrencies can be used to buy goods or services or held as part of an investment strategy, but they can’t be manipulated by any central authority, simply because there isn’t one. No matter what happens to a government, your cryptocurrency will remain secure.

Digital currencies provide equality of opportunity, regardless of where you were born or where you live. As long as you have a smartphone or another internet-connected device, you have the same crypto access as everyone else.

Cryptocurrencies create unique opportunities for expanding people’s economic freedom around the world. Digital currencies’ essential borderlessness facilitates free trade, even in countries with tight government controls over citizens’ finances. In places where inflation is a key problem, cryptocurrencies can provide an alternative to dysfunctional fiat currencies for savings and payments.

As part of a broader investment strategy, crypto can be approached in a wide variety of ways. One approach is to buy and hold something like bitcoin, which has gone from virtually worthless in 2008 to thousands of dollars a coin today. Another would be a more active strategy, buying and selling cryptocurrencies that experience volatility.

One option for crypto-curious investors looking to minimize risk is USD Coin, which is pegged 1:1 to the value of the U.S. dollar. It offers the benefits of crypto, including the ability to transfer money internationally quickly and cheaply, with the stability of a traditional currency.

What is a stablecoin?

USD Coin is an example of a cryptocurrency called stablecoins. You can think of these as crypto dollars—they’re designed to minimize volatility and maximize utility. Stablecoins offer some of the best attributes of cryptocurrency (seamless global transactions, security, and privacy) with the valuation stability of fiat currencies.

  • Stablecoins do this by pegging their value to an external factor, typically a fiat currency like the U.S. dollar or a commodity like gold.
  • As a result, their valuations are less likely to shift dramatically from day to day. That stability can increase their utility for everyday use as money, because both buyers and merchants can be confident that the value of their transaction will remain relatively consistent over a longer timeframe.
  • They can also work as a safe and stable way to save money, like a traditional savings account.

How does cryptocurrency work?

Bitcoin is the first and most well-known, but there are thousands of types of cryptocurrencies. Many, like Litecoin and Bitcoin Cash, share Bitcoin’s core characteristics but explore new ways to process transactions. Others offer a wider range of features. Ethereum, for example, can be used to run applications and create contracts. All four, however, are based on an idea called the blockchain, which is key to understanding how cryptocurrency works.

At its most basic, a blockchain is a list of transactions that anyone can view and verify. The Bitcoin blockchain, for example, is a record of every time someone sends or receives bitcoin. This list of transactions is fundamental for most cryptocurrencies because it enables secure payments to be made between people who don’t know each other without having to go through a third-party verifier like a bank.

Blockchain technology is also exciting because it has many uses beyond cryptocurrency. Blockchains are being used to explore medical research, improve the sharing of healthcare records, streamline supply chains, increase privacy on the internet, and so much more.

The principles behind both bitcoin and the Bitcoin blockchain first appeared online in a white-paper published in late 2007 by a person or group going by the name Satoshi Nakamoto.

The blockchain ledger is split across all the computers on the network, which are constantly verifying that the blockchain is accurate.This means there is no central vault, entity, or database that can be hacked, stolen, or manipulated.

What is cryptocurrency mining?

Most cryptocurrencies are ‘mined’ via a decentralized (also known as peer-to-peer) network of computers. But mining doesn’t just generate more bitcoin or Ethereum - it’s also the mechanism that updates and secures the network by constantly verifying the public blockchain ledger and adding new transactions.

Technically, anyone with a computer and an internet connection can become a miner. But before you get excited, it’s worth noting that mining is not always profitable. Depending on which cryptocurrency you’re mining, how fast your computer is, and the cost of electricity in your area, you may end up spending more on mining than you earn back in cryptocurrency.

As a result, most crypto mining these days is done by companies that specialize in it, or by large groups of individuals who all contribute their computing power.

How does the network encourage miners to participate in maintaining the blockchain? Again, taking Bitcoin as an example, the network holds a lottery in which all the mining rigs around the world race to become the first to solve a math problem, which also verifies and updates the blockchain with new transactions. Each winner is awarded new bitcoin, which can then make its way into the broader marketplace.

How to buy bitcoin and other cryptocurrency

One good approach is to ask yourself what you’re hoping to do with crypto and choose the currency that will help you achieve your goals. For example, if you want to buy a laptop with crypto, bitcoin might be a good option because it is the most widely accepted cryptocurrency. On the other hand, if you want to play a digital card game, then Ethereum is a popular choice.

What can you do with cryptocurrency?

  • Shop: Over 8,000 global merchants accept cryptocurrency.
  • Travel the world: Because cryptocurrency isn’t tied to a specific country, traveling with crypto can cut down on money exchange fees. There’s already a small but thriving community of self-titled “crypto nomads” who primarily, or in some cases exclusively, spend crypto when they travel.
  • Donate to causes: There are benefits to donating and accepting crypto, and many nonprofit organizations accept bitcoin donations.
  • Gift it: Cryptocurrency makes a great gift for friends and family who are interested in learning about new technology.
  • Tip someone: Authors, musicians, and other online content creators sometimes leave Bitcoin addresses or QR codes at the end of their articles. If you like their work, you can give a little crypto as a way of saying thanks.
  • Explore unique new combinations of money and technology: Orchid is a VPN, which helps protect you when you’re online, and a digital currency at the same time. Basically it’s broken down into two parts, the Orchid VPN app and the OXT cryptocurrency, and it all runs on the Ethereum network. Intrigued? Read more here.
  • Travel the world: Because cryptocurrency isn’t tied to a specific country, traveling with crypto can cut down on money exchange fees. There’s already a small but thriving community of self-titled “crypto nomads” who primarily, or in some cases exclusively, spend crypto when they travel.
  • Buy property in a virtual gaming world: Decentraland, which also runs on the Ethereum blockchain, is the first virtual world entirely owned by its users. Users can buy and sell land, avatar clothing, and all kinds of other stuff while partying in virtual nightclubs or mingling in virtual art galleries.
  • Explore decentralized finance, or DeFi: A wide variety of new players are aiming to recreate the entire global financial system, from mutual-fund-like investments to loan-lending mechanisms and way beyond, without any central authorities.

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