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58-556: For technical reasons , "c_C" redirects here. For the consonant represented by c_C in X-SAMPA , see Voiceless palatal affricate . [REDACTED] Look up CC , cC , cc , or .cc in Wiktionary, the free dictionary. CC , cc , or C-C may refer to: Arts, entertainment, and media [ edit ] Fictional characters [ edit ] C.C. ( Code Geass ) ,

116-410: A cryptocurrency exchange , which also operated a crypto hedge fund , and had been valued at $ 18 billion, filed for bankruptcy . The financial impact of the collapse extended beyond the immediate FTX customer base, as reported, while, at a Reuters conference, financial industry executives said that "regulators must step in to protect crypto investors." Technology analyst Avivah Litan commented on

174-422: A hash pointer as a link to a previous block, a timestamp , and transaction data. By design, blockchains are inherently resistant to modification of the data. It is "an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way". For use as a distributed ledger, a blockchain is typically managed by a peer-to-peer network collectively adhering to

232-850: A bank and designate specific encrypted keys before they could be sent to a recipient. This allowed the digital currency to be untraceable by a third party. In 1996, the National Security Agency published a paper entitled How to Make a Mint: The Cryptography of Anonymous Electronic Cash , describing a cryptocurrency system. The paper was first published in an MIT mailing list (October 1996) and later (April 1997) in The American Law Review . In 1998, Wei Dai described "b-money," an anonymous, distributed electronic cash system. Shortly thereafter, Nick Szabo described bit gold . Like bitcoin and other cryptocurrencies that would follow it, bit gold (not to be confused with

290-547: A blockchain, mining is the validation of transactions. For this effort, successful miners obtain new cryptocurrency as a reward. The reward decreases transaction fees by creating a complementary incentive to contribute to the processing power of the network. The rate of generating hashes, which validate any transaction, has been increased by the use of specialized hardware such as FPGAs and ASICs running complex hashing algorithms like SHA-256 and scrypt . This arms race for cheaper-yet-efficient machines has existed since bitcoin

348-428: A blockchain. A node is a computer that connects to a cryptocurrency network. The node supports the cryptocurrency's network through either relaying transactions, validation, or hosting a copy of the blockchain. In terms of relaying transactions, each network computer (node) has a copy of the blockchain of the cryptocurrency it supports. When a transaction is made, the node creating the transaction broadcasts details of

406-577: A character in the Code Geass anime series, pronounced "C-two" C.C. Babcock , a character in the American sitcom The Nanny Comedy Chimp, a character in Sonic Boom , called "CC" by Doctor Eggman Gaming [ edit ] Command & Conquer ( C&C ), a series of real-time strategy games and the first game in the series Crowd control (video gaming) , the ability to limit

464-428: A community of mutually distrustful parties referred to as miners . Miners use their computers to help validate and timestamp transactions, adding them to the ledger in accordance with a particular timestamping scheme. In a proof-of-stake blockchain, transactions are validated by holders of the associated cryptocurrency, sometimes grouped together in stake pools. Most cryptocurrencies are designed to gradually decrease

522-744: A cosmetic marketing term CC, post-nominal letters for Companion of the Order of Canada , a Canadian honour 200 (number) in Roman numerals Carbon copy , or courtesy copy, in the context of letter or email-writing Colon classification , a library classification scheme Component city, a legal class of cities in the Philippines Consular corps , the staff of a consulate Credit card Content Creator See also [ edit ] CCC (disambiguation) CeCe (disambiguation) Corpus Christi (disambiguation) Seesee ,

580-681: A crackdown on cryptocurrency that had previously banned the operation of intermediaries and miners within China. On 15 September 2022, the world's second largest cryptocurrency at that time, Ethereum , transitioned its consensus mechanism from proof-of-work (PoW) to proof-of-stake (PoS) in an upgrade process known as "the Merge". According to the Ethereum Founder, the upgrade would cut both Ethereum's energy use and carbon-dioxide emissions by 99.9%. On 11 November 2022, FTX Trading Ltd. ,

638-579: A defunct Australian airline Other in transportation [ edit ] C-C, a wheel configuration for diesel and electric locomotive; see AAR wheel arrangement A former New York City Subway service, now a predecessor of the: C (New York City Subway service) Rockaway Park Shuttle Carretera Central (Cuba) , road of Cuba A US Navy hull classification symbol: first Battlecruiser (CC) , then Command cruiser (CC) Other uses [ edit ] Prefix "cc", to specify column numbers as in-source-locator in old citations CC cream ,

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696-509: A digital wallet (which is a computer with software hosting your wallet information), to hosting your wallet using an exchange where cryptocurrency is traded, or by storing your wallet information on a digital medium such as plaintext. Bitcoin is pseudonymous , rather than anonymous ; the cryptocurrency in a wallet is not tied to a person but rather to one or more specific keys (or "addresses"). Thereby, bitcoin owners are not immediately identifiable, but all transactions are publicly available in

754-400: A former American electronics retailer College Confidential (company) , a college admissions counseling company Mathematics, science, and technology [ edit ] Computing [ edit ] CC (complexity) , a complexity class in computational complexity theory Adobe Creative Cloud , a series of subscription-based software developed and sold by Adobe Inc. C compiler ,

812-447: A fraction of the installed capacity of a power plant which can be relied upon during the system stress Carbonaceous chondrite , a type of meteorite CC (cat) , the first genetically cloned pet Chief complaint , a medical patient's primary reported symptom Classification of Types of Construction , for buildings Clausius–Clapeyron relation , an equation used in climatology Climate control , various technologies to control

870-461: A non-profit organization in the field of copyright licensing Creative Commons license , a copyright license Companions of the Cross , a community of Roman Catholic priests Cardistry-Con , a conference of cardistry Places [ edit ] Carson City, Nevada , United States, commonly abbreviated as CC Cocos (Keeling) Islands (ISO 3166 code), an Australian territory .cc ,

928-510: A number of stablecoins have crashed or lost their peg . For example, on 11 May 2022, Terra 's stablecoin UST fell from $ 1 to 26 cents. The subsequent failure of Terraform Labs resulted in the loss of nearly $ 40B invested in the Terra and Luna coins. In September 2022, South Korean prosecutors requested the issuance of an Interpol Red Notice against the company's founder, Do Kwon . In Hong Kong,

986-547: A palatalized voiceless velar affricate (⟨ k͡xʲ ⟩ or ⟨ k͜xʲ ⟩ in the IPA, k_x' or k_x_j in X-SAMPA). Features of the voiceless palatal affricate: Symbols to the right in a cell are voiced , to the left are voiceless . Shaded areas denote articulations judged impossible. Legend: unrounded  •  rounded Cryptocurrency A cryptocurrency , crypto-currency , or crypto

1044-614: A professional wrestling tournament Conference Carolinas , an NCAA Division II athletic conference Transportation [ edit ] Automobiles [ edit ] Changan Raeton CC , a Chinese mid-size sedan Senova CC , a Chinese mid-size sports sedan Volkswagen CC , a German mid-size sedan Volkswagen Arteon , sold in China as Volkswagen CC Transportation companies [ edit ] Air Atlanta Icelandic (IATA airline designator), an Icelandic airline Chicago Central and Pacific Railroad (reporting mark CC) MacAir Airlines (former IATA airline designator),

1102-399: A protocol for validating new blocks. Once recorded, the data in any given block cannot be altered retroactively without the alteration of all subsequent blocks, which requires collusion of the network majority. Blockchains are secure by design and are an example of a distributed computing system with high Byzantine fault tolerance . Decentralized consensus has therefore been achieved with

1160-452: A separate symbol for that sound, though it can be transcribed as ⟨ c̠͡ç̠ ⟩, ⟨ c͡ç˗ ⟩ (both symbols denote a retracted ⟨ c͡ç ⟩) or ⟨ k̟͡x̟ ⟩ ( advanced ⟨ k͡x ⟩) - this article uses only the first symbol. The equivalent X-SAMPA symbols are c_-_C_- and k_+_x_+ , respectively. Especially in broad transcription , the voiceless post-palatal affricate may be transcribed as

1218-553: A song by Ecco2K from his album E Brands and enterprises [ edit ] Food and drink [ edit ] Canadian Club , a brand of whisky CC's , a tortilla chip brand in Australia Other companies [ edit ] Stylized interlocking CC, the monogram of Coco Chanel , and brand logo for the House of Chanel Chemours (former NYSE stock symbol CC) Circuit City (former NYSE stock symbol CC),

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1276-543: A specialised bank called a "custodian". These physical representations of cryptocurrency do not hold any value by themselves; these are only utilized for collectable purposes. Cryptocurrency is produced by an entire cryptocurrency system collectively, at a rate that is defined when the system is created and that is publicly stated. In centralized banking and economic systems such as the US Federal Reserve System , corporate boards or governments control

1334-494: A species of bird in the pheasant family Sissi (disambiguation) Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with the title CC . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=CC&oldid=1259674831 " Category : Disambiguation pages Hidden categories: Short description

1392-455: A valid partial proof-of-work. As of February 2018 , the Chinese government has halted trading of virtual currency, banned initial coin offerings, and shut down mining. Many Chinese miners have since relocated to Canada and Texas. One company is operating data centers for mining operations at Canadian oil and gas field sites due to low gas prices. In June 2018, Hydro Quebec proposed to

1450-439: Is a digital currency designed to work through a computer network that is not reliant on any central authority, such as a government or bank , to uphold or maintain it. Individual coin ownership records are stored in a digital ledger , which is a computerized database using strong cryptography to secure transaction records, control the creation of additional coins, and verify the transfer of coin ownership. Despite

1508-454: Is a method of securing a cryptocurrency network and achieving distributed consensus through requesting users to show ownership of a certain amount of currency. It is different from proof-of-work systems that run difficult hashing algorithms to validate electronic transactions. The scheme is largely dependent on the coin, and there is currently no standard form of it. Some cryptocurrencies use a combined proof-of-work and proof-of-stake scheme. On

1566-401: Is different from Wikidata All article disambiguation pages All disambiguation pages Voiceless palatal affricate This sound is the non-sibilant equivalent of the voiceless alveolo-palatal affricate . The voiceless palatal affricate occurs in such languages as Hungarian and Skolt Sami , among others. The consonant is quite rare; it is mostly absent from Europe (with

1624-483: Is the combination of two words "alt" and "coin" and includes all alternatives to bitcoin." Altcoins often have underlying differences when compared to bitcoin. For example, Litecoin aims to process a block every 2.5 minutes, rather than bitcoin's 10 minutes which allows Litecoin to confirm transactions faster than bitcoin. Another example is Ethereum , which has smart contract functionality that allows decentralized applications to be run on its blockchain. Ethereum

1682-586: Is used as shorthand for the cylinder volume in cubic centimetres Organizations [ edit ] Canarian Coalition , a Spanish political party based in the Canary Islands Caribbean Community , an international organization with fifteen members CC, mint mark of Carson City Mint , a former branch of the United States mint Coburger Convent , a German and Austrian student organization Creative Commons ,

1740-481: The Legislative Assembly had voted 62–22 to pass a bill submitted by President Nayib Bukele classifying the cryptocurrency as such. In August 2021, Cuba followed with Resolution 215 to recognize and regulate cryptocurrencies such as bitcoin. In September 2021, the government of China , the single largest market for cryptocurrency, declared all cryptocurrency transactions illegal. This completed

1798-509: The Uralic languages and Albanian being exceptions). It usually occurs with its voiced counterpart, the voiced palatal affricate . There is also the voiceless post-palatal affricate in some languages, which is articulated slightly more back compared with the place of articulation of the prototypical voiceless palatal affricate, though not as back as the prototypical voiceless velar affricate . The International Phonetic Alphabet does not have

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1856-648: The "character and direction" of the city. In 2021, Kazakhstan became the second-biggest crypto-currency mining country, producing 18.1% of the global exahash rate. The country built a compound containing 50,000 computers near Ekibastuz . An increase in cryptocurrency mining increased the demand for graphics cards (GPU) in 2017. The computing power of GPUs makes them well-suited to generating hashes. Popular favorites of cryptocurrency miners, such as Nvidia's GTX 1060 and GTX 1070 graphics cards, as well as AMD's RX 570 and RX 580 GPUs, doubled or tripled in price – or were out of stock. A GTX 1070 Ti, which

1914-560: The 2010s as alternative cryptocurrencies, or, "altcoins". Sometimes the term "alt coins" was used, or disparagingly, "shitcoins". Paul Vigna of The Wall Street Journal described altcoins in 2020 as "alternative versions of Bitcoin" given its role as the model protocol for cryptocurrency designers. A Polytechnic University of Catalonia thesis in 2021 used a broader description, including not only alternative versions of bitcoin but every cryptocurrency other than bitcoin. "As of early 2020, there were more than 5,000 cryptocurrencies. Altcoin

1972-491: The German region, said: "Gamers come first for Nvidia." Numerous companies developed dedicated crypto-mining accelerator chips, capable of price-performance far higher than that of CPU or GPU mining . At one point, Intel marketed its own brand of crypto accelerator chip, named Blockscale . A cryptocurrency wallet is a means of storing the public and private "keys" (address) or seed, which can be used to receive or spend

2030-588: The Internet country code top-level domain for Cocos (Keeling) Islands, an Australian territory Schools [ edit ] Colorado College , a liberal arts college in Colorado Springs, Colorado, US Detroit Catholic Central High School , a private all-male high school in Novi, Michigan, US Sports [ edit ] CC Sabathia , a retired American baseball pitcher Champion Carnival ,

2088-531: The UK announced its Treasury had commissioned a study of cryptocurrencies and what role, if any, they could play in the UK economy. The study was also to report on whether regulation should be considered. Its final report was published in 2018, and it issued a consultation on cryptoassets and stablecoins in January 2021. In June 2021, El Salvador became the first country to accept bitcoin as legal tender , after

2146-420: The blockchain. Still, cryptocurrency exchanges are often required by law to collect the personal information of their users. Some cryptocurrencies, such as Monero , Zerocoin , Zerocash , and CryptoNote , implement additional measures to increase privacy, such as by using zero-knowledge proofs . A recent 2020 study presented different attacks on privacy in cryptocurrencies. The attacks demonstrated how

2204-603: The cryptocurrency ecosystem that "everything...needs to improve dramatically in terms of user experience, controls, safety, customer service." According to Jan Lansky, a cryptocurrency is a system that meets six conditions: In March 2018, the word cryptocurrency was added to the Merriam-Webster Dictionary . After the early innovation of bitcoin in 2008 and the early network effect gained by bitcoin, tokens, cryptocurrencies, and other digital assets that were not bitcoin became collectively known during

2262-585: The cryptocurrency. The first cryptocurrency was bitcoin , which was first released as open-source software in 2009. As of June 2023, there were more than 25,000 other cryptocurrencies in the marketplace, of which more than 40 had a market capitalization exceeding $ 1 billion. In 1983, American cryptographer David Chaum conceived of a type of cryptographic electronic money called ecash . Later, in 1995, he implemented it through Digicash , an early form of cryptographic electronic payments. Digicash required user software in order to withdraw notes from

2320-476: The cryptocurrency. With the private key, it is possible to write in the public ledger, effectively spending the associated cryptocurrency. With the public key, it is possible for others to send currency to the wallet. There exist multiple methods of storing keys or seed in a wallet. These methods range from using paper wallets (which are public, private, or seed keys written on paper), to using hardware wallets (which are hardware to store your wallet information), to

2378-513: The expected regulatory framework for stablecoins in 2023/24 is being shaped and includes a few considerations. Memecoins are a category of cryptocurrencies that originated from Internet memes or jokes. The most notable example is Dogecoin , a memecoin featuring the Shiba Inu dog from the Doge meme. Memecoins are known for extreme volatility; for example, the record-high value for a Dogecoin

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2436-406: The later gold-based exchange BitGold) was described as an electronic currency system that required users to complete a proof of work function with solutions being cryptographically put together and published. In January 2009, bitcoin was created by pseudonymous developer Satoshi Nakamoto . It used SHA-256 , a cryptographic hash function, in its proof-of-work scheme. In April 2011, Namecoin

2494-463: The number of mobs actively fighting during an encounter Other arts, music, entertainment, and media [ edit ] Cannibal Corpse , an American death metal band. CC Media Holdings , the former name of iHeartMedia Closed captioning , a process of displaying text on a visual display, such as a TV screen Comedy Central , an American television network (URL is cc.com) Creative Camera , defunct British photography magazine "Cc",

2552-409: The original/legacy C language compilation system C++ , a programming language Common Criteria , an international standard (ISO 15408) for computer security Cyclomatic complexity , a source-code metric International Conference on Compiler Construction , an academic conference Cryptocurrency Other uses in mathematics, science, and technology [ edit ] Capacity credit ,

2610-517: The production of that currency, placing a cap on the total amount of that currency that will ever be in circulation. Compared with ordinary currencies held by financial institutions or kept as cash on hand, cryptocurrencies can be more difficult for seizure by law enforcement. The validity of each cryptocurrency's coins is provided by a blockchain . A blockchain is a continuously growing list of records , called blocks , which are linked and secured using cryptography. Each block typically contains

2668-401: The provincial government to allocate 500 megawatts of power to crypto companies for mining. According to a February 2018 report from Fortune , Iceland has become a haven for cryptocurrency miners in part because of its cheap electricity. In March 2018, the city of Plattsburgh, New York put an 18-month moratorium on all cryptocurrency mining in an effort to preserve natural resources and

2726-402: The reward for finding a hash has diminished and often does not justify the investment in equipment and cooling facilities (to mitigate the heat the equipment produces) and the electricity required to run them. Popular regions for mining include those with inexpensive electricity, a cold climate, and jurisdictions with clear and conducive regulations. By July 2019, bitcoin's electricity consumption

2784-449: The supply of currency. In the case of cryptocurrency, companies or governments cannot produce new units and have not so far provided backing for other firms, banks, or corporate entities that hold asset value measured in it. The underlying technical system upon which cryptocurrencies are based was created by Satoshi Nakamoto . Within a proof-of-work system such as bitcoin, the safety, integrity, and balance of ledgers are maintained by

2842-428: The temperature and humidity Combustion chamber , or for instance in a turbojet engine the combustor Complex conductivity (measurement method) , a measurement method in geophysics Complex conjugate , an operation on complex numbers, commonly abbreviated as c. c. Coupled cluster , a numerical technique in computational chemistry Cubic centimetre (cc), a unit of volume Engine displacement , where cc

2900-461: The term that has come to describe many of the fungible blockchain tokens that have been created, cryptocurrencies are not considered to be currencies in the traditional sense, and varying legal treatments have been applied to them in various jurisdicitons, including classification as commodities , securities , and currencies. Cryptocurrencies are generally viewed as a distinct asset class in practice. Some crypto schemes use validators to maintain

2958-448: The transaction using encryption to other nodes throughout the node network so that the transaction (and every other transaction) is known. Node owners are either volunteers, those hosted by the organization or body responsible for developing the cryptocurrency blockchain network technology, or those who are enticed to host a node to receive rewards from hosting the node network. Cryptocurrencies use various timestamping schemes to "prove"

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3016-441: The validity of transactions added to the blockchain ledger without the need for a trusted third party. The first timestamping scheme invented was the proof-of-work scheme. The most widely used proof-of-work schemes are based on SHA-256 and scrypt . Some other hashing algorithms that are used for proof-of-work include CryptoNote , Blake , SHA-3 , and X11 . Another method is called the proof-of-stake scheme. Proof-of-stake

3074-513: Was 73 cents, but that had plunged to 13 cents by mid-2024. Scams are prolific among memecoins. Physical cryptocurrency coins have been made as promotional items and some have become collectibles. Some of these have a private key embedded in them to access crypto worth a few dollars. There have also been attempts to issue bitcoin “bank notes”. The term “physical bitcoin” is used in the finance industry when investment funds that hold crypto purchased from crypto exchanges put their crypto holdings in

3132-505: Was created as an attempt at forming a decentralized DNS . In October 2011, Litecoin was released, which used scrypt as its hash function instead of SHA-256. Peercoin , created in August 2012, used a hybrid of proof-of-work and proof-of-stake . Cryptocurrency has undergone several periods of growth and retraction, including several bubbles and market crashes, such as in 2011, 2013–2014/15, 2017–2018, and 2021–2023. On 6 August 2014,

3190-406: Was estimated to be approximately 7 gigawatts, around 0.2% of the global total, or equivalent to the energy consumed nationally by Switzerland. Some miners pool resources , sharing their processing power over a network to split the reward equally, according to the amount of work they contributed to the probability of finding a block . A "share" is awarded to members of the mining pool who present

3248-560: Was introduced in 2009. Mining is measured by hash rate , typically in TH/s. A 2023 IMF working paper found that crypto mining could generate 450 million tons of CO 2 emissions by 2027, accounting for 0.7 percent of global emissions, or 1.2 percent of the world total With more people entering the world of virtual currency, generating hashes for validation has become more complex over time, forcing miners to invest increasingly large sums of money to improve computing performance. Consequently,

3306-524: Was released at a price of $ 450, sold for as much as $ 1,100. Another popular card, the GTX 1060 (6 GB model), was released at an MSRP of $ 250 and sold for almost $ 500. RX 570 and RX 580 cards from AMD were out of stock for almost a year. Miners regularly buy up the entire stock of new GPUs as soon as they are available. Nvidia has asked retailers to do what they can when it comes to selling GPUs to gamers instead of miners. Boris Böhles, PR manager for Nvidia in

3364-474: Was the most used blockchain in 2020, according to Bloomberg News. In 2016, it had the largest "following" of any altcoin, according to the New York Times . Significant market price rallies across multiple altcoin markets are often referred to as an "altseason". Stablecoins are cryptocurrencies designed to maintain a stable level of purchasing power . Notably, these designs are not foolproof, as

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