Crypto Terms:
Letter O
What is Order Book?
Meaning:
Order Book -
a physical or digital documentation used to track the buy-sell activity of an asset.
Let's find out Order Book meaning, definition in crypto, what is Order Book, and all other detailed facts.
An order book is a physical or electronic document used to record the buy and sell history of an asset on a particular trading platform. While the concept of order books precedes digital technology, most platforms now use electronic order books that use an automatic matching engine to go through the list of buy and sell orders and fulfill them.
Order books contain different information regarding the trading of the asset. This includes the list of buyers and sellers, and a section for bidding and asking. Asking refers to the sell requests, while bidding represents the buy orders.
In the traditional structure, all bids are placed on the left side, while the asks are noted on the right. Bids are usually represented by using green, and asks are marked in red.
The interactions between the buyers and sellers can be logged in the order book using a number of visualization tools, such as line charts or tables. Japanese candlestick charting can be used alongside an order book to observe market changes and make well-informed trading decisions.
Order books typically record limit orders – orders that use prices set by the trader. If an order uses the current market prices for the trade, it is considered to be a market order.
The highest bid prices and the lowest ask prices are written on top of the order book. The difference between the highest bid and the lowest ask is known as the bid-ask spread, which is used to indicate the strength of supply and demand.
satoshi/a> numbering system<\/strong> that was launched on the <a href=https://www.bitdegree.org/"//crypto//buy-bitcoin-btc/">Bitcoin/strong>/a> mainnet by Casey Rodarmor in January 2023. It employs the <strong>ordinal theory<\/strong> to assign a unique identifier number to each satoshi. The order in which satoshis were mined and transferred determines their number. So, the number 0 is assigned to the first satoshi in the first block, followed by 1 for the second, 2 for the third, and so on.<\/p>\n<p>The protocol also provides the possibility of <strong>inscribing various types of data (text, image, video, etc.) on satoshis<\/strong>, this way creating unique digital artifacts that can be collected and traded. Therefore, it is now often used for creating <strong>Bitcoin-based NFTs<\/strong>, also referred to as ordinal NFTs. Though, you might notice that some refer to these NFTs as inscriptions, which is not entirely correct, as an <a href=https://www.bitdegree.org/"https:////www.bitdegree.org//crypto//learn//crypto-terms//what-are-inscriptions-on-bitcoin/">inscription/strong>/a> is the actual content that is encoded on a satoshi.<\/p>\n<p>The creation of the Ordinals protocol was made possible by the <strong>Segregated Witness (SegWit) update<\/strong> (which took place in 2017) and the <strong>Taproot update<\/strong> (which happened in 2021). The SegWit update added the “<strong>witness data<\/strong>” section to a Bitcoin transaction, this way dividing it into two sections and allowing the support for arbitrary data. The Taproot update <strong>increased the amount of arbitrary data that could be included in a Bitcoin transaction<\/strong> to 4 MB and established a simpler structure for storing witness data.<\/p>\n<h2>What's the Difference Between Ordinal NFTs and Traditional NFTs?<\/h2>\n<p>Even though it was already possible to create NFTs on Bitcoin through such <strong>Layer-2 solutions as Stacks or Counterparty<\/strong>, the Ordinals protocol brought a unique way of creating on-chain NFTs that are backward compatible and don't require any additional layers or separate tokens.<\/p>\n<p>However, the Ordinals protocol is not recognized by Bitcoin as some sort of an NFT standard, because it is not. So, <strong>the data attached to a satoshi doesn't have to be seen as an NFT<\/strong>, which means that a satoshi inscribed with data can be used simply as any other Bitcoin to pay for network fees or make transactions.<\/p>\n<p>Thus, <strong>Ordinals inscriptions can be used to create fungible assets as well<\/strong>. A Twitter user named domo (@domodata) recognized this potential and developed an experimental <a href=https://www.bitdegree.org/"https:////www.bitdegree.org//crypto//learn//crypto-terms//what-is-brc-20/">BRC-20/strong>/a> token standard that allows the creation of fungible tokens on the Bitcoin network through the usage of Ordinals inscriptions.<\/p>\n<p>Additionally, due to the complexity of the Ordinals protocol, creating an ordinal NFT is not as easy as creating an Ethereum NFT. <strong>You cannot just go to an NFT marketplace and mint your ordinal NFT there<\/strong>. On the contrary, ordinal NFT creation requires having some technical knowledge.<\/p>\n<p>Put as simply as possible, though, you first have to <strong>run a full Bitcoin <a href=https://www.bitdegree.org/"https:////www.bitdegree.org//crypto//learn//crypto-terms//what-is-node/">node/a>/strong>. Then, you have to <strong>install a Taproot-compatible <a href=https://www.bitdegree.org/"//crypto//best-cryptocurrency-wallet/">wallet/a>/strong> on the node you're running and <strong>send a satoshi to that wallet<\/strong> inscribed with the data of your choice. However, since the whole idea of creating ordinal NFTs exploded, no-code ordinal mining applications also started emerging, providing users with an easier way of creating these NFTs.<\/p>","definition":"a satoshi numbering protocol that allows the inscription of various types of data on each satoshi, which can be used to create Bitcoin NFTs.","status":"published","meta_title":"What are Ordinals? Definition & Meaning | Crypto Wiki","meta_description":"Ordinals meaning: Ordinals - a satoshi numbering protocol that allows the inscription of various types of data on each satoshi, which can be used to create Bitcoin NFTs.","meta_keywords":null}"
:prev-section="{"id":581,"wikipedia_url":"https:\/\/en.wikipedia.org\/wiki\/Blockchain_oracle","level":"medium","author_id":1,"created_at":"2023-06-19T06:59:00.000000Z","updated_at":"2024-01-09T13:46:46.000000Z","slug":"what-are-oracles","title":"What are Oracles?","section":"O","keyword":"Oracles","content":"<p><strong>Oracles<\/strong> are entities that provide blockchains with the opportunity to engage with off-chain information. Even though several contracts and decentralized systems are able to connect to a single oracle, a type of contract-specific oracle was created to work as a single <strong>smart contract<\/strong>.<\/p>\n<p>There are various types of oracles according to their usage. The main ones are the following:<\/p>\n<ul>\n<li><strong>Human Oracles. <\/strong>People with different subject knowledge who are able to verify, validate, as well as fetch data for utilization by blockchain-based agreements.<\/li>\n<li><strong>Software Oracles. <\/strong>These are the most commonly used oracles that retrieve online data from other programs and web <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-api/">APIs/strong>/a>, such as market prices, airline status, and weather information.<\/li>\n<li><strong>Hardware Oracles. <\/strong>Such oracles provide real-world data for smart contracts by integrating with physical systems and technology. Hardware oracles can interface with <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-radio-frequency-identification-rfid/">RFID sensors<\/strong><\/a> used in a variety of industries.<\/li>\n<li><strong>Outbound Oracles.<\/strong> Such oracles send data from smart contracts to external systems, allowing smart contracts to interact with non-blockchain sources.<\/li>\n<li><strong>Inbound Oracles. <\/strong>External data is sent to smart contracts or software oracles via inbound oracles. These oracles can be specified as a set of <em>\"if\"<\/em> rules, for example, <em>\"place a buy order if an asset reaches a specific price\".<\/em><\/li>\n<li><strong>Consensus Oracles. <\/strong>Such oracles are a type of decentralized oracles that collect huge volumes of data from a small number of other oracles and use certain procedures to assess the validity and correctness of the data.<\/li>\n<\/ul>\n<p>Besides, note that oracles that depend on a single data supplier are referred to as <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-centralized/">centralized/strong>/strong>/a>, whereas those that interfere with various sources are referred to as <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-decentralization/">decentralized/strong>/a>. However, in an essence, <strong>a blockchain oracle is a third-party data source<\/strong> that requires external permission to function successfully, which implies that it's typically a centralized entity's tool. As a result, most oracles sacrifice the smart contracts' decentralized features.<\/p>\n<p>The majority of crypto enthusiasts would refer to Band Protocol (BAND) as well as Chainlink (LINK) as classic instances of decentralized oracle networks.<\/p>\n<p>Besides, it's important to note that <strong>oracles are not data sources. <\/strong>Instead, they gather, query, and verify information from many sources before delivering it to smart contracts.<\/p>\n<p>In addition, the transmitted information can be anything from payments, price feeds, temperature from a sensor, scores from a basketball game, and so on. Most of the time, oracles are assigned depending on where they draw their information from, their sources, the flow of data, and whether they are decentralized or centralized.<\/p>\n<h2>The Oracle Problem<strong><br \/><\/strong><\/h2>\n<p>Smart contracts perform different duties depending on the data provided by centralized oracles, implying that <strong>oracles have enormous influence over smart contracts. <\/strong>The Oracle Problem is a conflict of trust that centralized third-party oracles introduce into trustless smart contracts and blockchain systems.<\/p>\n<p>Even though decentralized oracles, such as consensus oracles, may appear to be a viable option, there are still numerous obstacles to overcome, as <strong>decentralized oracle networks are difficult to create in a secure, functional, and trustless manner.<\/strong><\/p>","definition":"entities that connect blockchains to external systems, allowing smart contracts to execute depending on real-world inputs and outputs.","status":"published","meta_title":"What are Oracles? Definition & Meaning | Crypto Wiki","meta_description":"Oracles meaning: Oracles - are entities that connect blockchains to external systems, allowing smart contracts to execute depending on real-world inputs and outputs.","meta_keywords":null}"
:model="{"id":572,"wikipedia_url":"https:\/\/en.wikipedia.org\/wiki\/Order_Book","level":"easy","author_id":1,"created_at":"2023-06-19T06:59:00.000000Z","updated_at":"2023-12-07T20:02:19.000000Z","slug":"what-is-order-book","title":"What is Order Book?","section":"O","keyword":"Order Book","content":"<p><strong>An<\/strong> <strong>order book<\/strong> is a physical or electronic document used to record the buy and sell history of an asset on a particular trading platform. While the concept of order books precedes digital technology, most platforms now use electronic order books that use an automatic matching engine to go through the list of buy and sell orders and fulfill them.<\/p>\n<p>Order books contain different information regarding the trading of the asset. This includes the <strong>list of buyers and sellers<\/strong>, and a section for bidding and asking. Asking refers to the sell requests, while bidding represents the <strong>buy orders<\/strong>.<\/p>\n<p>In the traditional structure, all bids are placed on the left side, while the asks are noted on the right. Bids are usually represented by using green, and asks are marked in red.<\/p>\n<p>The interactions between the buyers and sellers can be logged in the order book using a number of visualization tools, such as line charts or tables. <strong>Japanese candlestick charting<\/strong> can be used alongside an order book to observe market changes and make well-informed trading decisions.<\/p>\n<p>Order books typically record <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-limit-order/">limit orders<\/strong><\/a> – orders that use prices set by the trader. If an order uses the <strong>current market prices<\/strong> for the trade, it is considered to be a <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-market-order-market-buy-market-sell/">market order<\/strong><\/a>.<\/p>\n<p>The highest bid prices and the lowest ask prices are written on top of the order book. The difference between the highest bid and the lowest ask is known as the <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-bid-ask-spread/">bid-ask spread<\/strong><\/strong><\/a>, which is used to indicate the strength of supply and demand.<\/p>","definition":"a physical or digital documentation used to track the buy-sell activity of an asset.","status":"published","meta_title":"What is Order Book? Definition & Meaning | Crypto Wiki","meta_description":"Order Book meaning: Order Book - a physical or digital documentation used to track the buy-sell activity of an asset.","meta_keywords":null,"author":{"id":1,"user_id":1,"created_at":"2023-05-03T14:30:55.000000Z","updated_at":"2023-05-11T07:18:20.000000Z","title":"Editor-In-Chief","slug":"aaron-s-editor-in-chief","description":"<p>Having completed a Master’s degree on Economics, Politics & Culture for the East Asia region, Aaron has written scientific papers with a comparative analysis of the differences between US’ Western and Japan’s Collective forms of capitalism, 1945-2020.<\/p>\n<p>With close to a decade of experience in the FinTech industry, Aaron understands all of the biggest issues and struggles that crypto enthusiasts face. He’s a passionate analyst who is concerned with data-driven and fact-based content, as well as that which speaks to both Web3 natives and industry newcomers.<\/p>\n<p>Aaron is the go-to person for everything and anything related to digital currencies. With a huge passion for blockchain & Web3 education, Aaron strives to transform the space as we know it, and make it more approachable to complete beginners.<\/p>\n<p>Aaron has been quoted by multiple established outlets, and is a published author himself. Even during his free time, he enjoys researching the market trends, and looking for the next supernova.<\/p>","user":{"id":1,"first_name":"Aaron","last_name":"S.","email":"aaron@bitdegree.org","email_sanitized":"aaron@bitdegree.org","email_verified_at":"2023-12-01T09:40:20.000000Z","must_verify_email":false,"is_registered_with_wallet":false,"status":"active","country":"LT","last_connected_ip":"88.119.132.125","image_id":2641,"referral_token":"05TMu2NysXOCn525","referred_by":null,"created_at":"2023-05-03T14:30:55.000000Z","updated_at":"2024-01-09T15:22:21.000000Z","full_name":"Aaron S."}}}"
:chapter-list="[{"id":1,"title":"Blockchain","slug":"blockchain","updated":null,"chapter":"crypto\/assets\/crypto-book\/chapters\/learn-blockchain.jpg","chapter_simple":"crypto\/assets\/crypto-book\/chapters-simple\/blockchain-101.jpg","rating":100,"sections":[{"chapter_id":1,"order":1,"slug":"what-is-blockchain","title":"What is the Blockchain?","status":"published","modified_content":null},{"chapter_id":1,"order":2,"slug":"decentralized-blockchain","title":"Anonymous & Decentralized Blockchains: The Cornerstone of Crypto","status":"published","modified_content":null},{"chapter_id":1,"order":3,"slug":"blockchain-transaction","title":"What is a Blockchain Transaction in Crypto?","status":"published","modified_content":null},{"chapter_id":1,"order":4,"slug":"crypto-fees","title":"The Different Types of Crypto Fees Explained","status":"published","modified_content":null},{"chapter_id":1,"order":5,"slug":"what-is-bridging-in-crypto","title":"The Key Notion Behind the Concept of Bridging in Crypto","status":"published","modified_content":null},{"chapter_id":1,"order":6,"slug":"types-of-blockchains","title":"Different Types of Blockchains: What to Look Out For?","status":"published","modified_content":null}]},{"id":2,"title":"Cryptocurrencies","slug":"cryptocurrencies","updated":null,"chapter":"crypto\/assets\/crypto-book\/chapters\/learn-cryptocurrencies.jpg","chapter_simple":"crypto\/assets\/crypto-book\/chapters-simple\/cryptocurrencies-101.jpg","rating":100,"sections":[{"chapter_id":2,"order":1,"slug":"what-is-a-cryptocurrency","title":"What is a Cryptocurrency?","status":"published","modified_content":null},{"chapter_id":2,"order":2,"slug":"how-does-cryptocurrency-work","title":"How Does Cryptocurrency Work?","status":"published","modified_content":null},{"chapter_id":2,"order":3,"slug":"is-cryptocurrency-a-good-investment","title":"Is Cryptocurrency a Good Investment? 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current-chapter="O"
current-section="what-is-order-book">