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LINK, the utility token of the Chainlink blockchain oracle system. ADA, the native coin of the Cardano blockchain. Monero XMR , a privacy-focused cryptocurrency that allows for anonymous transactions. YFI, the utility token of the DeFi lending platform yearn. These cryptocurrencies and more can be traded quickly and conveniently using OKEx. What is Bitcoin? Bitcoin is a decentralized, globally distributed blockchain network that powers the borderless cryptocurrency BTC.
As the largest cryptocurrency by market capitalization, BTC sits at the top of any cryptocurrency list. Bitcoin relies on a global network of computers, called nodes — all of which work together to process and verify transactions and add them to its blockchain.
Because it is the top cryptocurrency, Bitcoin price changes often influence the movement of cryptocurrency prices in general. What is an altcoin? An altcoin is an "alternative coin. This nickname came about because BTC was the first on the cryptocurrency list, and therefore, everything else is an alternative to it. Altcoins can be bought and sold using OKEx's convenient web and mobile platforms.
What is market capitalization? The typical top cryptocurrency list sorts its entries not by cryptocurrency prices but by market capitalization. The market cap of a given cryptocurrency represents the total value of all of the coins in existence and is calculated by multiplying the number of coins in circulation by the trading price of one coin or token.
Market capitalization is often used as a metric to measure and compare the popularity and dominance of a cryptocurrency within the broader market. What determines Bitcoin price changes? Because BTC is a completely decentralized digital currency built on top of a globally distributed network of computers, there is no one institution that controls its price.
Rather, the cryptocurrency Bitcoin's price movements depend on a variety of market dynamics — including supply and demand, the costs miners incur when adding blocks to the Bitcoin blockchain, the strength of fiat currencies, and more. What does a cryptocurrency exchange do? A cryptocurrency exchange is a platform that facilitates the buying, selling and trading of cryptocurrencies.
An exchange like OKEx provides an easy-to-access platform to closely monitor cryptocurrency price changes, offering you the opportunity to buy and sell digital assets from the available cryptocurrency list. OKEx also makes it easy to keep track of a specific cryptocurrency — Bitcoin price movements, for example — through customized alerts on changes to anything you include on your personal cryptocurrency list.
Check the latest cryptocurrency prices with the OKEx app See cryptocurrency prices on the go, wherever you are. Related Links Below you will find links on OKEx that may help you to understand cryptocurrency better. Depending on how big the network is, it can be prohibitively expensive to carry out a coordinated attack. Also, it is worth mentioning that the distributed nature of these digital assets establishes their censorship-resistant attributes.
Unlike the case with banks, which governments regulate, cryptocurrencies have their databases spread across the globe. Therefore, when a government shuts down one of these computers or all the computers within its jurisdiction, the network will continue to function because there are potentially thousands of other nodes in other countries beyond the reach of one government.
Crowd of people on network connection lines. Getty Images. So far in this guide, we have explained why cryptocurrencies are secure and why they are censorship-resistant. Now, let us take a look at how crypto transactions are vetted. Recall that blockchains are distributed databases where all the transactions executed on a crypto network are recorded permanently.
Every block of transactions is linked together chronologically in the order the transactions were validated. Because it is impossible to set up a central authority or bank to manage blockchains, crypto transactions are validated by nodes computers connected to a blockchain. So the question is: How do these networks ensure that node operators are willing to partake in the validation process? With incentives, validators are encouraged to participate actively and honestly in the validation process to earn rewards in the form of newly minted created cryptocurrencies.
This incentive system sets the rules that govern the process of picking validators who would, in turn, verify the next batch of transactions. It also ensures that the activities of the validators align with the goal of the network as a whole. Validator nodes found to be involved in actions that undermine the validity of the crypto network can be barred from taking part in subsequent validation processes or punished accordingly. These incentive infrastructures are also known as consensus protocols.
There is a wide range of consensus protocols being used by existing blockchain networks. The two most common ones are:. Tokens are digital assets issued by decentralized applications based on blockchains. These are applications similar to the ones you might find on your smartphone, but instead of being operated by a single company, they run completely autonomously. Think of it like a free Uber app where taxi drivers and customers can connect together without having to pay the middleman company a cut of profits.
Because these applications depend on the infrastructure of blockchains, transactions involving tokens come with an added fee settled in the native cryptocurrency of the blockchain in question. The value of a cryptocurrency usually depends on the utility of its underlying blockchain — though there have been many instances where social media hype and other superficial factors have played a role in pumping up prices. It all boils down, though, to the demand for the coin relative to its supply and whether the buyer is willing to pay more than the amount the seller initially acquired the coin for.
Notably, cryptocurrencies tend to favor a deflationary system, whereby the number of new coins introduced to the market is predictable and gradually reduces over time. For many cryptocurrencies, another important element is the total number of coins that can ever exist is often fixed.
For instance, there will be only 21 million bitcoins created, of which more than 18 million are already in circulation. This deflationary-based system is the complete opposite of what we have in traditional finance, where governments have the license to print an infinite number of fiat notes and inadvertently devalue their currencies. Bitcoin was the first of the many cryptocurrencies that exist today. Following its introduction in , developers began to create other variants of cryptocurrencies based on the technology powering the Bitcoin network.
In most cases, the cryptocurrencies were designed to improve upon the standards set by Bitcoin. Initially, cryptocurrency was pushed as an alternative to fiat currency based on the premise that it is portable, censorship-resistant, available globally and an affordable means of executing cross-border transactions. As a result, most crypto holders have shifted their attention to the investment potential of cryptocurrencies, which has since birthed the speculative side of the crypto market.
Investors seem to be more concerned about the possibility that the price of a cryptocurrency may rise sometime in the future than whether they can use cryptocurrencies to purchase goods and services, and so crypto is now predominantly viewed as an investment. The leader in news and information on cryptocurrency, digital assets and the future of money, CoinDesk is a media outlet that strives for the highest journalistic standards and abides by a strict set of editorial policies.
CoinDesk is an independent operating subsidiary of Digital Currency Group , which invests in cryptocurrencies and blockchain startups. As part of their compensation, certain CoinDesk employees, including editorial employees, may receive exposure to DCG equity in the form of stock appreciation rights , which vest over a multi-year period.
CoinDesk journalists are not allowed to purchase stock outright in DCG. Plus BlackRock leads a massive round for Circle. During a shortened week in traditional markets, with U. For now, the hackers appear to be winning. Obama-era Treasury veteran Michael Barr must still win a difficult Senate confirmation.
What Is Cryptocurrency? Follow Nikopolos on Twitter. Regulation: The global financial system has been based on various fiat currencies for centuries and most countries have a mature set of laws and best practices to regulate their use. Cryptocurrency, however, is a largely unregulated market, and even when regulations exist they can vary by jurisdiction.
Speed and cost: Sending and completing cross-border transactions using cryptocurrency is much faster than using the legacy banking system. Instead of taking several business days, transactions can occur within minutes, often at a fraction of the cost, when compared with using fiat currency. Supply: Fiat money has an unlimited supply. That means governments and central banks are free to print new currency at will during times of financial crisis. Cryptocurrencies, however, usually have a predictable supply determined by an algorithm.
That means once the number of bitcoin in circulation reaches 21 million, the protocol will cease releasing new coins into circulation. Immutable: Unlike transactions involving fiat currencies, all completed crypto transactions are permanent and final. It is virtually impossible to reverse crypto transactions once they have been added to the ledger. How does cryptocurrency work? There is no single point of failure: If one node fails it has zero impact on the blockchain ledger. There is no single source of truth that can be easily corrupted.
The nodes collectively manage the database and confirm new entries are valid transactions.