decentralized and blockchain-based data storage platform.&nbsp;</p>\n<p>Network participants become storage miners so they could reap the rewards for providing extra storage space. In order to confirm that everything is proceeding according to the rules, proof-of-replication was introduced. PoRep allows the storage miner to prove that the space is utilized to store copies of data and that nothing else is stored in said storage space. With this system in place, PoReps are utilized in <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-proof-of-spacetime-post/">proof-of-space (PoS)</strong></a> systems, and the above-mentioned data can be easily recovered.&nbsp;</p>\n<p>PoReps ensure that the data won&rsquo;t be lost in case of issues with <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-node/">nodes thus ensuring resilience. 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PoW allows adding new blocks to the blockchain and verifying transactions once a complex mathematical puzzle has been solved.</p>\n<p>The network can approve a block only when a <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-miner/">miner successfully completes PoW behind each block that they mined. Then <strong>the miner receives a reward for solving the PoW puzzle.</strong></p>\n<p>For example, when it comes to PoW in <a href=https://www.bitdegree.org/"https://www.bitdegree.org/crypto/buy-bitcoin-btc/">Bitcoin, miners must also generate a hash that matches Bitcoin&rsquo;s current target which usually has more zeroes in the front. The probability of creating such a hash is low, but the miner that is able to do it first receives BTC.</p>\n<p>Additionally, PoW makes sure a single transaction doesn&rsquo;t use the same coin or token, thus avoiding <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-double-spending/">double-spending.&nbsp;

/n

Besides that, PoW adds a layer of security to the blockchain since meddling with any single block immediately requires changes to be made within other blocks.</p>\n<p>It&rsquo;s important to remember that cryptocurrencies are decentralized, unlike fiat currencies that are confined by regulations. In the crypto sphere, <strong>PoW helps blockchains to remain decentralized</strong> by removing the involvement of third parties like the government.</p>","level":"easy","meta_title":"What is Proof-of-Work (PoW)? Definition & Meaning | Crypto Wiki","meta_description":"Proof-of-Work (PoW) meaning: Proof-of-Work (PoW) - is a consensus mechanism where miners must solve extensive mathematical puzzles in order to verify transactions and add new blocks.","meta_keywords":null,"language":"en","created_at":"2022-03-25T15:57:31.000000Z","updated_at":"2022-09-16T10:23:16.000000Z","preview_url":"https://www.bitdegree.org/crypto/learn/crypto-terms/what-is-proof-of-work-pow"},"prevSection":{"id":633,"original_id":null,"author_id":43,"translator_id":null,"title":"What is Programmability?","slug":"what-is-programmability","section":"P","keyword":"Programmability","status":"published","definition":"is a device or program that can understand and follow instructions.","content":"<p><strong>Programmability</strong> defines<strong> something</strong>, usually a computing device, <strong>that&rsquo;s able to understand, accept, and carry out instructions</strong>. An example of this would be a computer or a smartphone.</p>\n<p>The above-mentioned instructions are usually just lines of code that are input to a computing device, or a software program that&rsquo;s within the said computing device. Let&rsquo;s take <strong>computer mice and keyboards</strong> for example. They <strong>both have the capability to be programmed to do specific tasks</strong> such as muting the sound of a computer at the click of a button.</p>\n<p>When it comes to <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-cryptocurrency/">cryptocurrencies, programmability was first studied in order to figure out how to create digital money that has the capability to follow instructions.</p>\n<p>Let&rsquo;s look at our regular, <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-fiat/">fiat money first. <strong>Most of us have cash in our wallets which, without the assigned value by the <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-central-bank/">central bank</a>, would be considered worthless since it&rsquo;s just a piece of paper</strong>. By using any fiat currency, you agree to the regulations that govern it.&nbsp;</p>\n<p>This is where programmability comes into play. <strong>Programmable money stands out since it does not follow any jurisdiction rules</strong>. The only rules that are established within virtual, programmable money are the time, the participants, and the means for exchanging value.</p>\n<p>Programmable money changes the traditional method of completing transactions. However, it doesn&rsquo;t just change it between individuals but also takes into account transactions between programs and computing devices.&nbsp;</p>\n<p>There&rsquo;s great potential for implementing automation and new functionalities. For instance, enabling smart contracts to manage payments in specific situations.</p>","level":"easy","meta_title":"What is Programmability? Definition & Meaning | Crypto Wiki","meta_description":"Programmability meaning: Programmability - is a device or program that can understand and follow instructions.","meta_keywords":null,"language":"en","created_at":"2022-03-25T15:43:57.000000Z","updated_at":"2022-05-13T14:32:23.000000Z","preview_url":"https://www.bitdegree.org/crypto/learn/crypto-terms/what-is-programmability"},"currentChapter":"P","currentSection":"what-is-proof-of-replication-porep","chapterTitle":"P","readingLevel":"easy"},"url":"/crypto/learn/crypto-terms/what-is-proof-of-replication-porep","version":"cdd198d50cbe5c9c21c9329d7c096ffc"}" class="container-fluid d-flex crypto-book p-0">

Handbook Cover Page
Crypto Terms: Letter P

What is Proof-of-Replication (PoRep)?

Proof-of-Replication (PoRep) MEANING:
Proof-of-Replication (PoRep) - is a type of proof a storage miner has to provide to show the network that they have a replica of information or data.
Easy
1 minute

Let's find out Proof-of-Replication (PoRep) meaning, definition in crypto, what is Proof-of-Replication (PoRep), and all other detailed facts.

Proof-of-Replication (PoRep) refers to the process of providing proofs to the network where the storage miner demonstrates their unique copy of a piece of information. This term is commonly used in Filecoin which is a decentralized and blockchain-based data storage platform. 

Network participants become storage miners so they could reap the rewards for providing extra storage space. In order to confirm that everything is proceeding according to the rules, proof-of-replication was introduced. PoRep allows the storage miner to prove that the space is utilized to store copies of data and that nothing else is stored in said storage space. With this system in place, PoReps are utilized in proof-of-space (PoS) systems, and the above-mentioned data can be easily recovered. 

PoReps ensure that the data won’t be lost in case of issues with nodes thus ensuring resilience. However, proof-of-replication has received some critiques based on its excessive bandwidth usage since each time a new node is added to the redundancy pool, a copy of the data has to be transmitted.
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