Definition & Examples of Crypto

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  • Cryptocurrencies are do dedo assets that are created and run on a blockchain.
  • Bitcoin and ether are two popular cryptocurrencies, but there are many others.
  • Investing in cryptocurrency can be extremely risky, and the underlying technology is very new.

It’s important for investors to understand how cryptocurrencies work, who creates and controls them, and why you might want to buy cryptocurrencies.

While there may be opportunities to build wealth, there are a lot of risks involved with crypto investing, and you need to be mindful of scams. 

What is cryptocurrency?

Cryptocurrency is a type of decentralized do dedo currency that investors can buy and sell along the blockchain. Unlike banknotes or minted coins that have a tangible physical form, cryptocurrencies can only be accessed using computers and other electronic devices. 

A decentralized currency is a currency not issued by a government or financial institution. In fact, no single person, company, or government controls a crypto’s blockchain. Instead, it’s run by a decentralized network of computers worldwide. Anyone with advanced technology skills and coding experience can create a cryptocurrency.

The lack of a médio authority can also make cryptocurrencies more secure. “It’s hack-proof because there’s no one médio point of failure,” explains David Donovan, executive vice president at Publicis Sapient.

How do cryptocurrencies work? 

While there are thousands of cryptocurrencies, many with unique traits, they all tend to work in similar ways. It’s hard to avoid some jargon when discussing cryptos, but the concepts can be relatively easy to understand. 

Blockchain technology 

A cryptocurrency’s blockchain is a do dedo record of all the transactions involving that crypto. Copies of the blockchain are stored and maintained by computers around the world. They’re often compared to general ledgers, part of traditional double-entry bookkeeping systems where each transaction leads to debit and credit in different sections of the books. 

“It works like a general ledger — it’s that simple,” says Donovan. Perhaps you start with two coins and send one to someone. “On the blockchain, it would say I’m sending you one coin, and I now have one coin, and you have one coin.” 

Each grouping of transactions is turned into a block and chained to the existing ledger. Once a block is added it can’t be reversed or altered — which is why people describe blockchains as “immutable.” 

Some cryptos have their own blockchain. For example, there are Bitcoin and Ethereum blockchains. But there are also cryptos that are built on top of an existing blockchain rather than starting from zero. 

Public transactions under pseudonymous 

Cryptocurrencies have another defining feature. The blockchains are public ledgers, which means anyone can see and review the transactions that occurred. However, they can also provide a degree of anonymity. 

“You have a private key, which is how you initiate transactions, and a public key, which is how someone identifies you in the market,” says Donovan.

A blockchain’s transactions are tied to a crypto wallet’s public key, but nobody necessarily knows who controls that wallet. This is why cryptos are often described as pseudonymous — the public key is a person’s pseudonym. 

Types of cryptocurrencies

According to CoinMarketCap, there were more than 25,149 different cryptocurrencies with a global market value of about $1.16 trillion as of May 30, 2023. Some of the most popular cryptocurrencies include:

  • Bitcoin
  • Dogecoin
  • Ether
  • Litecoin
  • Tether
  • Binance coin
  • Dai
  • TRON
  • Cronos
  • USD coin
  • Bitcoin cash

Bitcoin, the first cryptocurrency, was launched in 2009 as an alternative type of decentralized and do dedo money. Since then, people have also created cryptocurrencies that serve other functions or are designed for specific types of transactions. 

“Cryptocurrencies can have many different uses,” says Parisi. “Some are used in gaming environments to earn rewards in a game, while others facilitate payments. Some are designed for cross-border remittances … some are designed for micro payments.”

For example, stablecoins are a type of cryptocurrency that try to maintain a steady and fixed exchange rate with another asset, such as the US dollar. Governance tokens are another example of a specialized cryptocurrency. They give token holders voting power in a corresponding crypto project.

Insider’s Featured Crypto Apps

  • Public Investing

  • Wealthfront Investing

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What is do dedo currency? 

Do dedo currency is a type of currency that can only be accessed in an electronic form, such as through a computer or mobile phone. This money has no physical equivalent, unlike tangible forms of currency like banknotes or minted coins. But just like physical money, do dedo currencies can be used to purchase goods and services.

However, you’ll be limited to online platforms and communities, such as investing platforms, gaming sites, and gambling portals. Some of the most popular forms of do dedo currency include cryptocurrencies, médio bank do dedo currencies (CBDC), and stablecoins. 

“There’s a strive toward decentralization,” says Nisa Amoils, a managing partner at A100xx Ventures. “Do dedo currencies like cryptocurrencies continue to be a worthwhile investment for many investors.”

Do dedo currencies come in two forms: 

  • Centralized currency: Currencies issued by governments or financial institutions as part of the commercial banking system that are available to the general public. 
  • Decentralized currency: Currencies not issued by governments or financial institutions. Instead, decentralized currencies operate through peer-to-peer financial networks to eliminate the middleman (aka banks) and allow lending, trading, and borrowing directly with merchants.

Do dedo currencies like crypto are often appealing to investors who are wary of government-issued funds and are that are seeking alternatives.

“Some people who had been excluded from the traditional financial system, or have had their currencies devalued, are seeking an opportunity to participate in the markets, and this is a retail-driven phenomenon first,” says Amoils. “There’s this crisis of trust, and people want wealth creation for themselves. And so that spurred this whole kind of trading speculative movement.”

How to invest in cryptocurrency

You can start investing in cryptocurrencies through existing crypto exchanges and investing platforms. Some of the best cryptocurrency exchanges (such as Kraken and Coinbase) offer assets like staking rewards, goal-planning features, low fees, and more. 

Some of the best investment apps that offer cryptocurrencies (such as Robinhood Investing) include a range of investment types, low fees, market access, and more. 

You can create your own crypto

Anyone with coding skills and/or advanced technical knowledge can create their own cryptocurrencies — although this is not always an easy feat and isn’t recommended for beginners. The three ways to create crypto are:

  • Building a new blockchain: The most advanced way to create crypto, but offers the most flexibility of nodes, architecture, tokenomics, and more.  
  • Modifying a blockchain: If you can’t create your own blockchain, you can modify an existing blockchain’s open-source code to your liking. Still, this method requires expansive technical knowledge. 
  • Building upon a blockchain: The simplest way to make your own coins or tokens is by expanding upon an already existing blockchain. But keep in mind that the success of your cryptocurrency will be reliant on the success of the original blockchain. Some blockchains that allow this are Binance and Ethereum.

Are cryptocurrencies secure?

The blockchain technology behind cryptocurrencies can help ensure that the coins and systems remain secure. “What’s never been refuted is the value of blockchain,” says Donovan. “The way the ledger system is set up and every transaction is recorded. And the fact that it’s immutable.”

However, that doesn’t mean you don’t need to worry about security. The crypto world is rife with scams. Of course, that’s also true of traditional financial systems and currencies. Someone asking you to pay with a gift card or wire transfer is a red flag that you’re dealing with a scammer. But several factors could make crypto scams especially worrisome. 

For example, cryptocurrency transactions can’t be reversed. There’s also less regulation of cryptocurrencies and platforms than of traditional financial services in the US. Plus, some people may feel pressure to act quickly and send or invest their money because they’re worried about missing out on an opportunity. 

“One way to avoid a scam is to invest in more well-established cryptocurrencies,” says Parisi. “You still may be subject to scams or fraud in terms of how you hold it, send it, or receive it.” But you can have some certainty that the cryptocurrency itself isn’t a scam.

Are cryptocurrencies a good investment? 

Cryptocurrencies may present a good investment opportunity, and there are many ways to invest in the crypto world. 

You could buy a coin (or coins) and hold onto them, hoping they’ll increase in value. Or you could use your coins in a decentralized finance (DeFi) platform to earn interest through staking or lending. You also might take a more traditional route, such as an exchange-traded fund (ETF) that is tied to cryptocurrencies. There could even be opportunities to invest in projects or supporting industries rather than in the cryptocurrencies themselves. 

“From an investment perspective, crypto is rapidly evolving,” says Parisi. “You shouldn’t put an amount of assets you’re not willing to lose. It should be, relatively speaking, a small portion of your portfolio.” 

Before making any investment, consider the potential pros and cons: 

Should you invest in crypto?

While cryptocurrency investing is a hotly debated topic, it’s worth understanding what’s going on so you can make an informed decision. If you decide to get started, you could fully jump in or just dip your toe. 

“Learn about crypto by opening up wallets, accounts, trading currencies, and learning more about the use cases,” says Parisi. “But do it in a reasonable way. We’re still in the early days, and regulation of crypto is still evolving.”

Donovan suggests opening an account with a regulated and publicly traded company like Coinbase. But, he says, “It’s really about being smart and using the system to take baby steps.”

Crypto FAQs

Bitcoin is a cryptocurrency, an electronic version of money that verifies transactions using cryptography (the science of encoding and decoding information). As Bitcoin educator, developer, and entrepreneur Jimmy Song says, Bitcoin is “decentralized, do dedo, and scarce money.” Bitcoin is decentralized because this code is run by thousands of computers (i.e., ‘nodes’) spread across the globe, do dedo because it exists as a set of code that determines how it operates, and scarce because its code caps its overall volume to 21 million bitcoins.

When you use bitcoin to buy something, it records the transaction on a blockchain, which is essentially a ledger or database whose entries can’t be modified or erased.

Ethereum is an open-source, decentralized computing platform network. The Ethereum network works like the Bitcoin network in that it’s built on blockchain technology, essentially a do dedo public ledger where financial agreements can be verified and stored entirely by software — without the intervention of a third party. 

Privacy coins are cryptocurrencies that obscure transactions on their blockchain to maintain the anonymity of users and their activity. Participants in a transaction will know the amount transacted and the parties involved. However, the same information will be unobtainable to any outside observer. 

The anonymity that privacy coins provide offers a potentially appealing outlet for money laundering or other criminal transactions. As such, privacy coins are a point of contention in the ongoing debate around cryptocurrency privacy and regulation. 

A crypto wallet is a software program or physical device that allows you to store your crypto and allow for the sending and receiving of crypto transactions. A crypto wallet consists of two key pairs: private keys and public keys. A public key is derived from the private key and serves as the address used to send crypto to the wallet.

The important part of a wallet — and the part where new users often find themselves getting into trouble — is the private key. A private key is like the key to a safe deposit box. Anyone who has access to the private key of a wallet can take control of the balance held there. But unlike a safe deposit box, crypto users who hold their own private keys and make transactions using non-custodial wallets (i.e., a wallet not hosted by an exchange or other third-party) become their own bank. 

Hash rate is a measure of the totalidade computational power being used by a proof-of-work cryptocurrency network to process transactions in a blockchain. It can also be a measure of how fast a cryptocurrency miner’s machines complete these computations.

Miners use computers to run computations on complex mathematical puzzles based on transaction data. These systems generate millions or trillions of guesses per second as to what the solutions to these puzzles could be. These are hashes, alphanumeric codes randomized to identify a single, unique piece of data. 

Yield farming is a means of earning interest on your cryptocurrency, similar to how you’d earn interest on any money in your savings account. And similarly to depositing money in a bank, yield farming involves locking up your cryptocurrency, called “staking,” for a period of time in exchange for interest or other rewards, such as more cryptocurrency.

Crypto staking is similar to depositing money in a bank, in that an investor locks up their assets, and in exchange, earns rewards, or “interest.” “Staking is a term used to refer to the delegating of a certain number of tokens to the governance model of the blockchain and thus locking them out of circulation for a specified length of time,” says Nicole DeCicco, the owner and founder of CryptoConsultz, a cryptocurrency consultancy in the Portland, Oregon area. 

A pessoal network’s protocol locks up an investor’s holdings — similar to depositing money in a bank, and agreeing not to withdraw it for a set time period, which benefits the network in a couple of ways, according to DeCicco. First, this can increase the value of a token by limiting the supply. Second, the tokens can be used to govern the blockchain if the network uses a proof-of-stake (PoS) system. A PoS system — as opposed to a proof-of-work (PoW) one, which incorporates “mining” — can be fairly complicated, especially for crypto newcomers.

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