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Crypto Terms:  Letter C

What is Consensus Mechanism?

Meaning:
Consensus Mechanism - the technology required for the main blockchain functionalities.
medium
2 minutes

Let's find out Consensus Mechanism meaning, definition in crypto, what is Consensus Mechanism, and all other detailed facts.

The term Consensus Mechanism, also referred to as consensus algorithm, describes a computer technology used for information processing. Consensus mechanisms have been adopted for blockchain technology, becoming the most crucial tool in cryptocurrency development and utilization.

The consensus mechanism is the foundational technology for block verification. It created the outline for conditions that the network nodes and validators must meet in order to create and verify new blocks on the blockchain.

There are numerous consensus mechanisms that require different software and hardware. However, their key principle is to help build a decentralized public ledger that makes up the blockchain.

The first consensus mechanism developed specifically for blockchain technology was Proof-of-Work (PoW). It was launched alongside the Bitcoin blockchain. Given some of its technical limitations and hardware requirements, developers started working on new concepts of consensus mechanisms.

This led to the development of mechanisms that have become as popular as PoW, such as Proof-of-Stake (PoS), which is employed by Ethereum, Proof-of-Authority (PoA), used by VeChain, and Proof-of-Staked-Authority (PoSA) on the Binance Smart Chain. Each method ensures agreement between the network nodes to validate transactions and create new blocks on the chain.

Blockchain protocols are unable to properly function without consensus algorithms. As the name suggests, this technology ensures consensus is maintained between all nodes working in the network and that all nodes follow the same set of rules.

Furthermore, consensus algorithms provide security to blockchain users. Invalid transactions are kept out of the blocks by node validators that follow the predetermined consensus algorithm rules. Consensus mechanisms allow multiple transactions to be managed and validated in a very short time window.

In order to validate a transaction and add it to the block, all nodes must reach a consensus. Blockchain networks are decentralized, therefore all node operators share an equal distribution of responsibility. The consensus mechanism can successfully function even if some of the nodes are malfunctioning or maliciously acting against completing the tasks.

The consensus algorithm technology is a practical example of a theoretical problem known as the Byzantine Generals' Problem. It poses the question of whether a computer network can achieve a consensus in a network of independent, decentralized nodes when some of the nodes are malfunctioning for one reason or another.

Ethereum blockchain.<\/p>\n<p>The primary idea of the firm is to provide an opportunity for developers, businesses, and individuals all around the world to construct succeeding applications, and introduce contemporary financial infrastructure. As well as get access to the decentralized web.<\/p>\n<p>The solutions they provide are capital markets, <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-defi/">DeFi for organizations, commerce, payments, money, asset management, global trade, and so forth. To specify, they have a wide range of products such as CodeFi, which is the blockchain application set for finance and commerce.<\/p>\n<p><strong>Diligence<\/strong> also manages security assessments for <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-smart-contract/">smart contracts<\/strong><\/a> and the Ethereum blockchain. Quorum is the only totally open blockchain framework for an enterprise. Infura is a fast and completely adaptable API for accessing the Ethereum and IPFS networks.<\/p>\n<p>Truffle is a development environment as well as a testing framework for the Ethereum contracts.<\/p>\n<p><a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-metamask/">MetaMask, on the other hand, is the most well-known and popular project. It is an Ethereum wallet system that allows users to hold and exchange cryptocurrency and tokens, as well as view and engage with decentralized apps developed on the Ethereum network.<\/p>\n<p>A number of ConsenSys companies and projects have raised capital from the public in the form of <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-initial-coin-offering-ico/">Initial Coin Offerings (ICOs).<\/strong><\/a><\/p>","definition":"is a blockchain software technology company that provides a variety of business solutions and developer tools.","status":"published","meta_title":"What is ConsenSys? Definition & Meaning | Crypto Wiki","meta_description":"ConsenSys meaning: ConsenSys - is a blockchain software technology company that provides a variety of business solutions and developer tools.","meta_keywords":null}" :prev-section="{"id":186,"wikipedia_url":"https:\/\/en.wikipedia.org\/wiki\/Consensus_(computer_science)","level":"easy","author_id":1,"created_at":"2023-06-19T06:58:59.000000Z","updated_at":"2024-01-07T08:20:22.000000Z","slug":"what-is-consensus","title":"What is Consensus?","section":"C","keyword":"Consensus","content":"<p><strong>Consensus<\/strong> is the outcome of an agreement between all participants in a <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-blockchain/">blockchain network on where a <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-block/">block should be located on the chain and what its contents should be.<\/p>\n<p>Typically centrally organized systems have a single authority figure that makes the important decisions. These can be <strong>centralized accounting ledgers<\/strong> used by businesses to record economic transactions. The accounting department is normally responsible for managing the ledger, making it the central authority figure for transaction records.<\/p>\n<p>Since decentralized systems contain numerous independent actors distributed around the network, all of them have the same weight in authority decision-making. Thus, all decisions are made collectively, by reaching a consensus.<\/p>\n<p>Blockchain consists of transactions that are updated by <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-miner/">miners. Rather than declaring a single central authority, blockchains rely on miners to oversee the transaction entries in the blocks and ensure the information is accurate. To ensure the network is operating optimally, the network members must reach a consensus.<\/p>\n<p>The process of reaching a consensus can be complicated. There is no way to know how many <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-node/">nodes may be malfunctioning or acting maliciously. Thus, the network of nodes may encounter a practical example of the <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-byzantine-generals-problem/">Byzantine Generals&rsquo; Problem<\/strong><\/a>.<\/p>\n<p><a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-proof-of-work-pow/">Proof-of-Work (PoW)<\/strong><\/a> and <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-proof-of-stake-pos/">Proof-of-Stake (PoS)<\/strong><\/a> algorithms are two of the most common <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-consensus-mechanism/">consensus mechanisms<\/strong><\/a> used in blockchain, including the two biggest blockchain-based cryptocurrencies in the world, <a href=https://www.bitdegree.org/"https:////www.bitdegree.org//crypto//buy-bitcoin-btc/">Bitcoin (BTC)<\/strong><\/a> and <a href=https://www.bitdegree.org/"https:////www.bitdegree.org//crypto//buy-ethereum-eth/">Ethereum (ETH)<\/strong><\/a>.<\/p>\n<p>Consensus mechanisms ensure that the blockchain is maintained properly and the transaction data is recorded correctly. All information management is achieved without declaring a central figure to oversee the blockchain building process.<\/p>","definition":"an agreement reached between all network participants on the content and order of the blockchain blocks.","status":"published","meta_title":"What is Consensus? Definition & Meaning | Crypto Wiki","meta_description":"Consensus meaning: Consensus - an agreement reached between all network participants on the content and order of the blockchain blocks.","meta_keywords":null}" :model="{"id":192,"wikipedia_url":"https:\/\/en.wikipedia.org\/wiki\/Consensus_(computer_science)","level":"medium","author_id":1,"created_at":"2023-06-19T06:58:59.000000Z","updated_at":"2024-01-07T08:20:29.000000Z","slug":"what-is-consensus-mechanism","title":"What is Consensus Mechanism?","section":"C","keyword":"Consensus Mechanism","content":"<p><strong>The term Consensus Mechanism<\/strong>, also referred to as consensus algorithm, describes a computer technology used for information processing. Consensus mechanisms have been adopted for <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-blockchain/">blockchain technology<\/strong><\/a>, becoming the most crucial tool in <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-cryptocurrency/">cryptocurrency development and utilization.<\/p>\n<p>The consensus mechanism is the foundational technology for <strong>block verification<\/strong>. It created the outline for conditions that the network <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-node/">nodes and <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-validator/">validators must meet in order to create and verify new blocks on the blockchain.<\/p>\n<p>There are numerous consensus mechanisms that require different software and hardware. However, their key principle is to help build a <strong>decentralized public ledger<\/strong> that makes up the blockchain.<\/p>\n<p>The first consensus mechanism developed specifically for blockchain technology was <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-proof-of-work-pow/">Proof-of-Work (PoW)<\/strong><\/a>. It was launched alongside the Bitcoin blockchain. Given some of its technical limitations and hardware requirements, developers started working on new concepts of consensus mechanisms.<\/p>\n<p>This led to the development of mechanisms that have become as popular as PoW, such as <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-proof-of-stake-pos/">Proof-of-Stake (PoS)<\/strong><\/a>, which is employed by Ethereum, <a href=https://www.bitdegree.org/"https:////www.bitdegree.org//crypto//learn//crypto-terms//what-is-proof-of-authority-poa/">Proof-of-Authority (PoA)<\/strong><\/strong><\/a>, used by VeChain, and Proof-of-Staked-Authority (PoSA) on the <a href=https://www.bitdegree.org/"https:////www.bitdegree.org//crypto//goon//binance/" target=\"_blank\" rel=\"nofollow noindex noopener\"><strong>Binance<\/strong><\/a> Smart Chain. Each method ensures agreement between the network nodes to validate transactions and create new blocks on the chain.<\/p>\n<p>Blockchain protocols are unable to properly function without consensus algorithms. As the name suggests, this technology ensures consensus is maintained between all nodes working in the network and that all nodes follow the same set of rules.<\/p>\n<p>Furthermore, <strong>consensus algorithms provide security to blockchain users<\/strong>. Invalid transactions are kept out of the blocks by node validators that follow the predetermined consensus algorithm rules. Consensus mechanisms allow multiple transactions to be managed and validated in a very short time window.<\/p>\n<p>In order to validate a transaction and add it to the block, all nodes must reach a consensus. Blockchain networks are <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-decentralization/">decentralized, therefore all node operators share an equal distribution of responsibility. The consensus mechanism can successfully function even if some of the nodes are malfunctioning or maliciously acting against completing the tasks.<\/p>\n<p>The consensus algorithm technology is a practical example of a theoretical problem known as the <a href=https://www.bitdegree.org/"//crypto//learn//crypto-terms//what-is-byzantine-generals-problem/">Byzantine Generals' Problem<\/strong><\/a>. It poses the question of whether a computer network can achieve a consensus in a network of independent, decentralized nodes when some of the nodes are malfunctioning for one reason or another.<\/p>","definition":"the technology required for the main blockchain functionalities.","status":"published","meta_title":"What is Consensus Mechanism? Definition & Meaning | Crypto Wiki","meta_description":"Consensus Mechanism meaning: Consensus Mechanism - the technology required for the main blockchain functionalities.","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&rsquo;s degree on Economics, Politics &amp; Culture for the East Asia region, Aaron has written scientific papers with a comparative analysis of the differences between US&rsquo; Western and Japan&rsquo;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&rsquo;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 &amp; 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? The Pros & Cons","status":"published","modified_content":null},{"chapter_id":2,"order":4,"slug":"coin-vs-token","title":"Coin VS Token: How Do They Differ?","status":"published","modified_content":null},{"chapter_id":2,"order":5,"slug":"what-are-stablecoins","title":"What are Stablecoins, Altcoins & Wrapped Coins?","status":"published","modified_content":null},{"chapter_id":2,"order":6,"slug":"what-is-a-bitcoin","title":"Bitcoin: the Pioneer of the Crypto World","status":"published","modified_content":null},{"chapter_id":2,"order":7,"slug":"what-is-ethereum","title":"The Ultimate Blockchain for dApp Creation: Ethereum","status":"published","modified_content":null},{"chapter_id":2,"order":8,"slug":"what-is-cardano-in-crypto","title":"What is Cardano and What is It Used For?","status":"published","modified_content":null},{"chapter_id":2,"order":9,"slug":"what-is-shiba-inu-coin","title":"Shiba Inu: the Dogecoin Killer","status":"published","modified_content":null},{"chapter_id":2,"order":10,"slug":"what-is-solana-in-crypto","title":"Is Solana an Improved Version of Ethereum?","status":"published","modified_content":null},{"chapter_id":2,"order":11,"slug":"what-is-polkadot-in-crypto","title":"The Bridge Between Blockchains: Polkadot","status":"published","modified_content":null},{"chapter_id":2,"order":12,"slug":"what-is-polygon-in-crypto","title":"Polygon: the Essential Scaling Solution for Ethereum","status":"published","modified_content":null},{"chapter_id":2,"order":13,"slug":"what-is-luna-crypto","title":"The Bumpy Road of Terra (LUNA)","status":"published","modified_content":null},{"chapter_id":2,"order":14,"slug":"what-is-fantom-crypto","title":"Is Fantom (FTM) Yet Another Ethereum Killer?","status":"published","modified_content":null},{"chapter_id":2,"order":15,"slug":"what-is-aave-crypto","title":"Aave: Crypto Lending 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Cryptocurrencies?","status":"published","modified_content":null},{"chapter_id":7,"order":2,"slug":"how-to-invest-in-crypto","title":"Investing in Crypto: What Investing Options Do You Have?","status":"published","modified_content":null},{"chapter_id":7,"order":3,"slug":"ico-vs-ido","title":"ICO vs IDO vs IEO: Which One is the One?","status":"published","modified_content":null},{"chapter_id":7,"order":4,"slug":"what-is-an-airdrop","title":"What are Crypto Airdrops and How to Get Them?","status":"published","modified_content":null},{"chapter_id":7,"order":5,"slug":"how-to-get-free-crypto","title":"How to Get Free Crypto Assets?","status":"published","modified_content":null},{"chapter_id":7,"order":6,"slug":"how-to-arbitrage-crypto","title":"What is Crypto Arbitrage: The Main Principles","status":"published","modified_content":null},{"chapter_id":7,"order":7,"slug":"what-is-a-perpetual-contract","title":"Perpetual Contracts: Futures Contracts Without an Expiration 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