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      "body": "<div class=\"text-justify\">\n\nHello @pulkit33, \n  \nThank you for participating in the #06 Fixed course for Newcomers in the **Steemit Crypto Academy**. \n\n**Your grade on this assignment is as follows:** \n<p></p>\n\n| Criteria | Grade |\n| --------|---------|\n| Presentation/Use of Markdowns| 1.5/2 |\n| Compliance with topic| 0.5/2|\n| Quality of Analysis| 0.5/2|\n| Clarity of Language| 1.5/2|\n| #club5050 | 0/1|\n| Originality | 0.5/1|\n| ***Total*** | ***4.5/10***|\n\n<p></p>\n\n**Homework task: 4.5** \n<p></p>\n<b>Feedback and Suggestions</b> :\n\n- Your effort in this task is appreciated.\n- You have answered the first question well. buy for the second question you have not mentioned the differences and also you have not answered the last question.\n- Read the question well and answer accordingly.\n- Overall work needs to be improved.\n\n<p></p>\n\n![SAVE_20210724_220410.jpg](https://cdn.steemitimages.com/DQmWGHo9eV2xu96P4pYUaEpfLSD7ovEhznAW95FwC35s3x4/SAVE_20210724_220410.jpg)\n</div>",
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      "body": "<div class=\"text-justify\">\n\n\n![20211031_111217_0000.png](https://cdn.steemitimages.com/DQmPUEHvUq74eRhu8ADuCFSbscDB9hz7AfWAuY3wHfR8d4R/20211031_111217_0000.png)\n\n\n\nhttps://cdn.steemitimages.com/DQmfDMjfMhpTf7hXnuPwLgSRYZdTM2troJzmbiEjWHc5DhZ/blue.png\n\n**What is the difference between PoW & PoS? Advantages & Disadvantages? Which one is better in scaling Capacity? Examples?**\n\nhttps://cdn.steemitimages.com/DQmfDMjfMhpTf7hXnuPwLgSRYZdTM2troJzmbiEjWHc5DhZ/blue.png\n\n**INTRODUCTION**\n<br>In crypto space, the need for Blockchain can't be left out. A blockchain is a decentralized machine that can compile users' transactions facts without utilizing a middle man; instead, it uses peers to see the system.\n\nThe blockchain era is a decentralized system; therefore, it doesn't need a third birthday party earlier than verifying any transaction.\n\nBlockchain technology is popular because bitcoin cryptocurrency employs this technology, and blockchain technology is compelling in handling transaction issues.\n\nIn a centralized system, selection-making depends on the people in authority; however, in Blockchain, there is no authority to manage the device. Consequently, Blockchain is decentralized, and a decision is primarily based on the consensus made by using everybody.\n\nThe centralized gadget in which choices are made utilizing the leading celebration, selections in Blockchain are made through the consensus reached by everyone at the Blockchain.\n\nConsensus is necessary because it gives the people the proper to decide whether or not legitimate or void.\n\nThe consensus mechanism is the technique people take in a blockchain to gain a consensus.\n\nA consensus mechanism is a system utilized in a blockchain to achieve a collective agreement. It offers consumers the proper to make contributions in a blockchain. It makes sure a collective agreement is being met or kept.\n\nBlockchain uses different types of consensus mechanisms, and they're as follows;\n\n* Proof-of-work (PoW)\n* Proof-of-stake (PoS)\n* Delegated evidence-of-stake (DPoS)\n* Proof-of-potential (PoC)\n* Byzantine Fault Tolerance (BFT)/ Practical Byzantine fault tolerance (PBFT)\n* Proof of Burn (PoB)\n* Proof of Elapsed time (PoET) proof of authority (PoA)\n* Proof of hobby, evidence of importance (PoI), direct acyclic graphs (DAGs)\nEtc.\n\nhttps://cdn.steemitimages.com/DQmfDMjfMhpTf7hXnuPwLgSRYZdTM2troJzmbiEjWHc5DhZ/blue.png\n\n**The Proof-of-stake (PoS)**\n<br>In the yr 2011, POS changed into propended as an alternative to proof-of-work (PoW). PoS and PoW have an equal purpose for achieving consensus but with a different technique.\n\nIn PoS, customers stake compare to PoW in which miners employ electricity and hardware.\n\nMiners are not needed inside the PoS consensus, and there is a discount in power consumption.\n\nStaking on the PoS system is carried out by way of customers at a period; the system selects the node randomly to validate the following block. The selection of the following block is decided to stake age, the number of stakes, and randomization.\n\n**Factors that determine selection in PoS as validator**\n\n* **Duration or Age of coin:** nodes are selected primarily based on the duration of stake. Eg. The longer the period of stake, the better the risk of being selected.\n\n* **Amount or Quantity of stake:** When the stake is excessive, the more danger of being selected.\n\n* **Randomization:** validators are being picked randomly based on the highest stake and many others.\n\n* In Pos Miners are rewarded with coins from transaction price reverse is the case in PoW miners are paid with a new token.\n\n\n**Benefit of PoS**\n\n* Pos is low cost to use examine to PoW where miners make investments a lot in setting up computer hardware that consumes power.\n\n* PoS is rather cozy, which saves you fraudulent activities.\n\n* PoS ensures there is fairness in selecting validators and rewarding them.\n\n\n**Delegated Proof-of-stake ( DPoS)**\n\nDelegated evidence-of-stake become built primarily based democracy which was achieved prevent centralization and fraudulent within the blockchain device.\n\nDPoS was developed in the 12 months of 2014 through Daniel Larimer, an American software program developer additionally the founder of EOSIO software and Bitshares and steemit.\n\nDPoS turned into a design to replace f both PoW and PoS because it is more scalable than a local set of rules.\n\nDPoS was built to section out the use of excessive strength and time-eating machines.\n\nThe first DPoS that was created in Blockchain is Bitshares.\n\n**How DPoS works**\nDPoS is a changed PoS consensus that relies upon a group of delegates to validate blocks on behalf of all nodes in a network system, and it works with the use of witnesses. The witness is being decided on utilizing stakeholders based on 1 vote according to proportion according to witness.\n\nThe witnesses are the ones that create or add a new block in a blockchain. For instance, on steemit, 21 witnesses are controlling the affairs of the Blockchain. The witnesses are controllers of transactions validation.\n\nAdministrators inside the blockchain machine are referred to as delegates. The users within the Blockchain select them to pilot the affairs of the Blockchain and make essential modifications.\n\n**The duty of delegates in a blockchain :**\n* They decide the transaction price in a blockchain machine.\n* They decide the dimensions block in a blockchain.\n* They decide the block interval of Blockchain.\n* They additionally determine the witness pay.\n\nDPoS is the most democratic machine in a blockchain consensus that gives everyone the identical proper to be selected as a witness.\n\n**Advantages**\n\n* It contributes to wearing everyone along accordingly nobody is left behind.\n* It is not centralized; however, relatively decentralized, and it practices democracy.\n* It is users pleasant and tremendous amount of power.\n* Based on the democratic nature, it offers the customers the possibility of picking out their witness ideal for them.\n* fewer transaction prices.\n* Because of the concern of losing one's role, The witnesses are always sincere.\n\n**Disadvantages**\n\n* There is a lesser range of witnesses. For example, we've just 27 exceptional reps intron the Blockchain and 21 witnesses on steemit Blockchain.\n* The presence of delegates, witnesses, and reps makes it appear like a centralized system. For that reason, criminals are granted the right to govern the community.\n* There is the opportunity of low voter turnout.\n\nhttps://cdn.steemitimages.com/DQmfDMjfMhpTf7hXnuPwLgSRYZdTM2troJzmbiEjWHc5DhZ/blue.png\n\n**What is the difference between PoW & PoS?**\n<br>Both of these are consensus algorithm. The operating of those algorithms is equal; however few modifications in POS. Let's speak about the significant difference between them:\n\n\n![images.jpeg](https://cdn.steemitimages.com/DQmXC6cXokm921sTEWGB9xVYHwxUeSJJDiocQe452WnGQJH/images.jpeg)\n[Scr](https://www.google.com/imgres?imgurl=https://coin.space/wp-content/uploads/2021/07/Proof-of-Work-Vs.-Proof-of-Stake.gif&imgrefurl=https://coin.space/a-guide-to-crypto-staking-and-proof-of-stake-coins-pos/&tbnid=Evl9N5YQEIvoVM&vet=1&docid=56_GZCiTkA6YVM&w=624&h=326&itg=1&source=sh/x/im)\n\n**Proof of Work:**\n\n**Definition:** In Proof of labor, the miner mines the token inside the blockchain community, and the community verifies the transaction and praises the node.\n\n**Increase In Supply:** Proof of work set of rules will increase the delivery of the token in the Blockchain.\n\n**Power Consumption:** Proof of labor consumes a high quantity of strength. This excessive amount of electricity could be hazardous to our ecosystem.\n\n**Hardware Dependency:** POW totally, based on hardware the motive turned into that during POS the mining of token takes location as all of us to understand that the mining consumes hardware.\n\n**Efficiency:** POW algorithm is a bit slower than the POS.\n\n**Cost-Effective:** POW is much cost-powerful due to hardware need. And hardware consumes too much strength.\n\n\n**Proof of Stake:**\n\n\n**Definition:** In the POS algorithm, miners can not mine the token of the respective Blockchain. As an alternative, they mint the token of Blockchain.\n\n**Increase In Supply:** POS set of rules can't increase Blockchain delivery; instead, it stakes the tokens within the pool. This is very useful because call for and delivery have to be balanced.\n\n**Power Consumption:** Proof of Stake consumes much less power as examined to the Proof of work; the motive became that it mint the token, not mine the token.\n\n**Hardware Dependency:** Proof of Stake depends on the amount of staking, and the validator makes this staking. That is how much less hardware requirement.\n\n\n**Efficiency:** In performance phrases, the Proof of stake is much more efficient than the evidence of work.\n\n\n**Cost-Effective:** it is less cost-powerful than evidence of labor because the hardware and the electricity price isn't personal any unmarried individual it allotted the overall network.\n\nhttps://cdn.steemitimages.com/DQmfDMjfMhpTf7hXnuPwLgSRYZdTM2troJzmbiEjWHc5DhZ/blue.png\n\n**Conclusion**\n<br>Consensus mechanism guarantees that agreement, consider and security is being met in blockchain networks. It promotes team spirit and other affairs of blockchains.\n\nDPoS also can be visible as PoS although it is decentralized and takes a unique technique.\n\nIn blockchains machine that makes use of DPoS, scalability is higher than those that do not operate on it.\n\nhttps://cdn.steemitimages.com/DQmfDMjfMhpTf7hXnuPwLgSRYZdTM2troJzmbiEjWHc5DhZ/blue.png\n\n**Thank You**\n\n\n</div>",
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      "body": "<div class = \"text-justify\">\n\nGreetings @pulkit33, thank you very much for being a part of [SteemitCryptoAcademy](https://steemit.com/trending/hive-108451) this fourth season and for your efforts in this ***4th task*** of the fixed courses for beginners.\n\n**Your grade on this assignment is as follows:**\n<p>\n\nParameters | Grading\t\n------ | ------\nPresentation Style (Markdown Usage) | 1/2\nFollowing Standards (Guidelines) | 1/2\nQuality of Content (Subject Matter Mastery) | 0.5/2\nSpelling and Grammar (Writing Fluency) | 0.5/1\nOriginality | 0.5/2\n#club5050 | 0/1\n***Total***|***3.5/10***\n\n<center>![separator.png](https://cdn.steemitimages.com/DQmUEw76E1F4JkMHgVbWcp1SUJbAss4VtKbL3LoY58rJDaQ/separador.png)</center>\n\n## Remarks:\n\n#\n\nA too simple task, with very little explanatory answers.\n\nYou must take effort to carry out your task, it lacks quality and originality almost completely, take some time and do a complete task to receive a complete note.\n\nWork hard!\n\nParticipate in the #club5050 by powering up half of your author rewards (SBD) in Steemit, you will earn more points in your qualifications for your tasks in the academy! More information in the next [link.](https://steemit.com/communities-202111/@steemitblog/communities-of-the-month-support-program-applications-for-november)\n\n---\n\n##### Thank you @pulkit33 for your effort in carrying out this publication, I hope to continue reviewing your future tasks.\n\n---\n\n</div>",
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      "body": "<div class=\"text-justify\">\n\n\n![20211028_104442_0000.png](https://cdn.steemitimages.com/DQmNTJ6EUjaAdedqHnp5RY64T3PThpEzBEdFsBohxfk9WvD/20211028_104442_0000.png)\n\n\n**Define Decentralization. Describe the advantages and disadvantages of a decentralized system. In what areas of life can a decentralized blockchain be helpful? (own write-in words)**\n\nhttps://cdn.steemitimages.com/DQmfDMjfMhpTf7hXnuPwLgSRYZdTM2troJzmbiEjWHc5DhZ/blue.png\n\n<center>**Define Decentralization**</center>\n<br>Decentralisation can be defined as the switch/division of strength, authority, decision-making from one primary entity to all of the contributors of a firm. This manner that the entire contributors of the firm have the same rights and freedom of making choices. In a decentralized gadget, there may be no third-party interference or advanced entity in rate. I.e., Everyone is the boss of themself.\n\nhttps://cdn.steemitimages.com/DQmfDMjfMhpTf7hXnuPwLgSRYZdTM2troJzmbiEjWHc5DhZ/blue.png\n\n**Describe the advantages and disadvantages of a decentralized system.**\n<br>  <center>**Advantages**</center>\n\n* Money/finances can be traded hastily and simply between customers in specific sector components via a decentralized blockchain.\n\n* Superiors are relieved of stress and pressure because absolutely everyone within the gadget has equal rights and potential to make judgments and test transactions on their personal.\n\n* **Better Governance and Control**: any other advantage of a decentralized device is that each of the participants of the community gadget may have the ability to govern and control the sports in their accounts, ensuing in better authority.\n\n\n\n<center>**Disadvantages**</center>\n\n* In a decentralized community, there may be warfare and war of words given that numerous participants' minds and values fluctuate, and they may desire to make extraordinary judgments.\n\n* There can be a loss of coordination because every member has the liberty to make their very own choices and do as they like because there's no person to reserve or venture them.\n\n* The value of growing and maintaining decentralized structures is typically relatively high.\n\n\nhttps://cdn.steemitimages.com/DQmfDMjfMhpTf7hXnuPwLgSRYZdTM2troJzmbiEjWHc5DhZ/blue.png\n\n\n**In what areas of life can a decentralized blockchain be helpful? (write-in own words).**\n<br>\n* **Educational Sector**: Schools can use a decentralized blockchain to file scholar registration data and issued certificates. They should continually pass again to the system and get better the facts if they become misplaced, in preference to the students having to restart, as is the case in my state. It also can be used to pay for university lessons.\n\n* **Electoral Sector**: The election of new authorities officials is always contentious, and a few candidates try to rig the system. Because of the community's transparency, any tampering within the information could be detected and rejected by using the general public of nodes in the device. If a decentralized blockchain is carried out in this region, there may be no room for election fraud/malpractice.\n\n* **Banking Sector**: If a decentralized blockchain is implemented in this area, it will be extra hard for authorities personnel to embezzle public funds because all in their transactions and histories could be seen, in contrast to on the bank, where transaction histories are best visible to the account proprietor and the financial institution.\n\nhttps://cdn.steemitimages.com/DQmfDMjfMhpTf7hXnuPwLgSRYZdTM2troJzmbiEjWHc5DhZ/blue.png\n\n<center>**Conclusion**</center>\n<br>Decentralized device comes with many blessings, but we ought to now not neglect some of the drawbacks. The gadget can be utilized in many sectors, such as banks, fitness, or even faculties. This may resource the activities in these sectors.\n\nThis is a high-quality lecture by way of one of the quality professors, @yousafharoonkhan; I've found out loads from this lecture.\n\nhttps://cdn.steemitimages.com/DQmfDMjfMhpTf7hXnuPwLgSRYZdTM2troJzmbiEjWHc5DhZ/blue.png\n\n\n</div>",
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      "body": "<div class=\"text-justify\">\n\nHello @pulkit33, \n  \nThank you for participating in the #06 Fixed course for Newcomers in the **Steemit Crypto Academy**. \n\n**Your grade on this assignment is as follows:** \n<p></p>\n\n| Criteria | Grade |\n| --------|---------|\n| Presentation/Use of Markdowns| 0.5/2 |\n| Compliance with topic|0.5 /2|\n| Quality of Analysis| 0.5/2|\n| Clarity of Language| 1.5/2|\n| Originality | 1.5/2|\n| ***Total*** | ***4.5/10***|\n\n<p></p>\n\n**Homework task: 4.5** \n<p></p>\n<b>Feedback and Suggestions</b> :\n\n- Your effort in this task is appreciated.\n- You have not understood the core of the question. You need to answer the required questions, not about DPoS. You have mixed up the question and have not identified the question properly. The differences, advantages, and disadvantages of PoW and PoW should be well explained.\n- Overall work needs to be developed.\n\n<p></p>\n\n![SAVE_20210724_220410.jpg](https://cdn.steemitimages.com/DQmWGHo9eV2xu96P4pYUaEpfLSD7ovEhznAW95FwC35s3x4/SAVE_20210724_220410.jpg)\n</div>",
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      "body": "<div class=\"text-justify\">\n\n\n![20211021_161925_0000.png](https://cdn.steemitimages.com/DQmQs42TneH7P7Tw8woGKYfZDYnfp74KRbT4Q3HfhMsCLhm/20211021_161925_0000.png)\n\nhttps://cdn.steemitimages.com/DQmfDMjfMhpTf7hXnuPwLgSRYZdTM2troJzmbiEjWHc5DhZ/blue.png\n\n**(1) What is the difference between PoW & PoS? Advantages & Disadvantages? Which one is better in scaling Capacity? Examples?**\n\nhttps://cdn.steemitimages.com/DQmfDMjfMhpTf7hXnuPwLgSRYZdTM2troJzmbiEjWHc5DhZ/blue.png\n\n**What is the difference between PoS & DPoS?**\n<br><center>**Proof of Stake (PoS)**</center>\n\nProof of Stake(PoS) is a consensus algorithm that lets miners mine cryptocurrencies and validate transactions at the block based totally on the amount and quantity of cryptocurrency a miner owns. Proof of Stake was hooked up as a choice to Proof of Work(PoW). Proof of Work is the genuine and unique consensus set of rules used to verify transactions and upload new blocks to the chain in the blockchain era.\n\nWith Proof of Stake, the possibility of cryptocurrency miners to strike and damage the community is seen as much less volatile. This is as it layouts payments and compensations to make an attack much less beneficial for the cryptocurrency miner.\n\nThere isn't any demand for specialized nodes or hardware within the Proof of Stake consensus mechanism. Not handiest that, miners are eradicated from PoS mechanism and additionally, there's discount within the preliminary excessive consumption of strength. In the Proof of Stake consensus mechanism, we can use our everyday laptops and PCs to serve. You do not want to use electricity and hardware to mine in PoS, unlike PoW, wherein miners use hardware and electricity.\n\nThe PoS gadget allows partakers to wager their currencies are utilizing staking them at a specific duration. After staking, the community will now select the node or hardware to confirm the successive transaction or block randomly. The device selects the nodes in step with the quantity a participant guess, randomization, and the staking age. But one factor approximately this option is that the number of coins a participant utilized in making a bet from time to time determine their livelihoods of being chosen as the validator of the successful transaction. If you stake excessive, there may be a better risk to be selected as the subsequent validator and vice versa.\n\n**I need to briefly describe the elements used to select a validator within the Proof of Stake. Below are the three factors used to pick out a validator.**\n\n* **Amount used to stake:** In PoS, the extra money you utilized in staking your higher probabilities of being selected as a validator and the smaller quantity you stake, your lowest probabilities of being selected as the following validator.\n\n* **Randomization:** In the PoS mechanism, the machine randomly selects the following validator using the very best quantity of stake and the lowest hash cost.\n\n* **Coin age:** Validators also are selected within the PoS mechanism in line with how lengthy the customers stake their tokens.\n\n\n<center>**Advantages of Proof of Stake (PoS)**</center>\n\nThe Proof of Stake consensus algorithm has quite some advantages and some of them are enumerated under.\n\n* **There is excessive protection:** Staked tokens on PoS cannot be stolen through third events or scammers. Once the machine detects any fraudulent hobby, the hardware or node will lose the number of tokens or coins used to stake. This makes it extraordinarily hard and not possible to thieve customers stakes.\n\n* **Energy efficiency:** In PoS, the electricity eaten up is lesser and more affordable because it does not require pc hardwares to mine the blocks. Even as compared to Proof of Work (PoW) which calls for pc hardwares to mine, the power consumed in PoS is much less low priced.\n\n* **Blocks are forged:** In the Proof of Stake consensus algorithm, and blocks are not mined; however, they may be a substitute forged. This forging reduces the quantity of power with the intention to have been used in mining the blocks. There is lots of energy devour in block mining compared to dam forging.\n\n\n\n* **It stabilizes the price of coins:** Prices of coins stabilize in PoS because new cash is not released as a praise to the validators of the following node. This makes the PoS machine extra decentralized because there is no need to mine new blocks for the Usage of the mining pools.\n\n\n<center>**The Delegated Proof of Stake (DPoS)**</center>\n\nThe DPoS is likewise a consensus mechanism developed by using a person referred to as Daniel Larimer within the yr 2014. Daniel Larimer is a software developer in America, he is likewise the founder of EOSIO software, Bitshares as well as Steemit. The DPoS consensus mechanism changed into evolved and set up based totally on democracy technology. It become developed to protect towards the centralization of election technique thru using the blockchain generation.\n\nDPoS changed into advanced as an alternative or substitute to both the Proof of Stake( PoS) and the Proof of Work (PoW) consensus mechanisms. This consensus mechanism changed into additionally advanced to limit and prevent the use of machines with excessive computing powers and excessive quantity of energy intake. Not most effective that, it become also developed to minimize the time taken for a transaction to be processed. The first DPoS which become hooked up on the blockchain is the Bitshares.\n\n\n\n**I suppose it's miles critical to let you know how this DPoS machine works, so I might explain to you how the DPoS community works below.**\n\nIn the DPoS community, miners aren't answerable for creating and including new blocks. New blocks are created and delivered by using human beings we referred to as Witnesses at the blockchain. This Witnesses aren't mining but alternatively forging blocks so they may be called block forgers. An instance of a blockchain where miners do not create and add new blocks is our Steemit blockchain. On steemit blockchain, there a complete wide variety of 21 witnesses and those witnesses are accountable for managing what occurs on the blockchain. This Witnesses also validate and confirm every transaction that is executed on the steemit blockchain.\n\nAs I already stated, there are no miners in DPoS, but witnesses and these witnesses aren't just selected, but they are elected through an election process. These elected people aren't ordinary users on the blockchain but enormously influential folks who play a significant role.\n\nOn the DPoS consensus mechanism, we also have folks that are known as, and these delegates are just like the directors of the blockchain. Delegates are also elected similar to witnesses and that they oversee and alter the affairs of the blockchain. Delegates additionally recommend relevant and key modifications to made on the blockchain. Delegates are not answerable for creating and including new blocks because they're specific from witnesses. Delegates play a pretty quantity of times in the blockchain, which includes determining witnesses' pay, block sizes, block durations, and transaction charges or fees on the blockchain.\n\nAs said above, witnesses and delegates are not decided on; however, they may be elected as an alternative, installing several complex paintings to improve the blockchain satisfaction because they do not want to lose their position to someone else. There is usually a high degree of opposition within the election of witnesses and delegates. Hence, it makes them no longer abuse the position because they can be voted out inside the subsequent election.\n\nEvery user at the blockchain has the energy to take part inside the election of witnesses. This gives same opportunity to users at the blockchain and avoids discrimination. This technique makes the DPoS consensus mechanism one of the maximum democratic approaches to consensus mechanism at the blockchain.\n\n\n<center>**Advantages of DPoS**</center>\n\n* Users are given equal the equal and same opportunity to participate in the election of witnesses and delegates.\n\n* Transaction fees and prices are low in DPoS.Transaction prices does not exist in a few instances.\n\n* This consensus mechanism is quicker and faster than PoS and PoW mechanisms.\n\n* Incompetent and lazy witnesses can be voted out in subsequent elections.\n\n* Users are given the liberty to pick witnesses who are exceptional suitable for the location.\n\n* Energy fed on in DPoS is less which helps to efficiently manage the to be had energy.\n\n* Hardwares or nodes with excessive computation energy is not required or wanted in DPoS mechanism.\n\n\n<center>**Disadvantages of DPoS**</center>\n\n* In a few instances, the voter turnout is low because some customers no longer realize the way to vote for witnesses and delegates, and there are a few users who are ignorant about the whole system. This makes the vote turn out to be low in a few cases.\n\n* This mechanism is maximum appropriate and works effectively for social media systems or networks than monetary structures. The motive is that, DPoS is semi-decentralized but not absolutely decentralized.\n\n* There are a restrained wide variety witnesses who're usually elected on the blockchain. Let's take the steemit blockchain, for instance, and we have a complete variety of 21 witnesses who're elected to create new blocks and validate new transactions.\n\n* Another drawback is that this gadget sometimes seems like a centralized system due to the blockchain's delegates, representatives, and witnesses. Whales are very influential and typically have extra control in the blockchain; due to that, they on occasion tend to vote their pals as delegates and witnesses.\n\n* For powerful control and governance of the blockchain, nearly all participants and customers want to active on the network. Inactiveness of maximum users makes the governing and management of the network to be tedious for the witnesses and delegates.\n\n\nhttps://cdn.steemitimages.com/DQmfDMjfMhpTf7hXnuPwLgSRYZdTM2troJzmbiEjWHc5DhZ/blue.png\n\n<center>**Differences between PoW and PoS**</center>\n\n\n* **Energy Usage**\nOne of the main differences between the two negotiation algorithms is that the PoW algorithm consumes extra energy. In the PoS algorithm, customers who preserve stakes create blocks. Therefore, the power consumption is much less.\n\n* **Choosing Miner/Block Producer**\nAs stated in the preceding article, while miners create blocks utilizing fixing puzzles within the PoW device, those who have stakes in PoS can turn out to be miners.\n\n* **Rewarding System**\nIn PoW structures, miners earn block rewards, even as in PoS systems, block manufacturers earn transaction charges.\n\n* **Centralization**\nPoW is a completely decentralized system. The PoS gadget, then again, is extra centralized than PoW.\n\n* **Security**\nA minimal of 51% is needed to reach a consensus on PoW structures. For this purpose, PoW is very dependable as it's miles impossible that a single person could have a 51% rate. PoS, alternatively, is much less cozy because it's miles extra centralized.\n\n\n<center>**Advantages & Disadvantages**</center>\n\n* While the PoW device requires excessive power, the PoS system has optimized its power consumption.\n\n* The biggest benefit of PoW consensus mechanisms is that they're especially comfortable. PoS consensus mechanisms are disadvantageous in comparison to PoWs in this respect.\n\n* While the decentralization of PoWs is an advantage, the greater centralized PoSs are disadvantaged on this regard.\n\n* The more cryptocurrencies, the more say they've within the PoS mechanisms. This permits wealthy people to get richer. We can also see this as a downside. But this additionally applies to PoW because they too want powerful computer systems to resolve puzzles. For a powerful computer, it's far vital to be wealthy once more.\n\n* In PoS Systems, block producers want to hold some cash of their hands. This will create a bonus in preserving the coin charge at a certain level.\n\n* One of the dangers of the PoW mechanism is that it produces blocks slowly. In PoS, on the other hand, the block-producing time is shorter.\n\n* Another drawback of the PoW mechanism over PoS is its limited scalability.\n\n\nhttps://cdn.steemitimages.com/DQmfDMjfMhpTf7hXnuPwLgSRYZdTM2troJzmbiEjWHc5DhZ/blue.png\n\n**Which one is better in scaling Capacity?**\n<br>Scalability refers to the Capacity to fulfill needs in a blockchain. For this purpose, rapid block production and strength efficiency are essential inside the blockchain. As we mentioned in previous questions, PoS mechanisms with higher block generation pace and decreased strength intake have more scaling capability.\n\n\nhttps://cdn.steemitimages.com/DQmfDMjfMhpTf7hXnuPwLgSRYZdTM2troJzmbiEjWHc5DhZ/blue.png\n\n<center>**Examples**</center>\n\nWhen I clear out the PoW tokens on [Coinmarketcap.com](https://coinmarketcap.com/tr/view/pos/), a list appears as follows. This listing is ordered by using marketplace value. We see quite massive cash consisting of Bitcoin, Etherium, Dogecoin, Litecoin.\n\n![Screenshot_20211021-160059__01__01.jpg](https://cdn.steemitimages.com/DQmcmNawvKpN6Zp7jEL2FhrvuRp7WdLfcNZsLEA5RycCskB/Screenshot_20211021-160059__01__01.jpg)\n\nThen I filtered PoS cash on [Coinmarketcap.com](https://coinmarketcap.com/tr/view/pos/). Here, we see big blockchain projects together with Cardano and Solana. It should also be stated that Etherium has additionally introduced that it'll switch from PoW to PoS.\n\n\n\n![Screenshot_20211021-160222__01.jpg](https://cdn.steemitimages.com/DQmPj73FNCsPKLUtFbeGKj5Fe3cCmwS9V9AuhTjNyteGkdJ/Screenshot_20211021-160222__01.jpg)\n\n\n\nhttps://cdn.steemitimages.com/DQmfDMjfMhpTf7hXnuPwLgSRYZdTM2troJzmbiEjWHc5DhZ/blue.png\n\n<center>**Conclusions**</center>\n\nThe PoW consensus mechanism, which plays a very important function in knowing the Bitcoin undertaking, is quite revolutionary. But with the developing generation, some components are missing. However, it is widespread because it is reliable and makes use of a market-dominant coin like BTC. With the boom of the marketplace day by day, numerous options to this mechanism have emerged. One of them is the PoS mechanism. The PoS mechanism has created a totally a hit alternative to the scaling trouble of the PoW mechanism.\n\n\nhttps://cdn.steemitimages.com/DQmfDMjfMhpTf7hXnuPwLgSRYZdTM2troJzmbiEjWHc5DhZ/blue.png\n\n**Thank You**\n\n\n</div>",
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      "body": "<div class = \"text-justify\">\n\nGreetings @pulkit33, thank you very much for being a part of [SteemitCryptoAcademy](https://steemit.com/trending/hive-108451) this fourth season and for your efforts in this ***5th task*** of the fixed courses for beginners.\n\n**Your grade on this assignment is as follows:**\n<p>\n\nParameters | Grading\n------ | ------\nPresentation Style (Markdown Usage) | 1.7/2\nFollowing Standards (Guidelines) | 1.5/2\nQuality of Content (Subject Matter Mastery) | 1/2\nSpelling and Grammar (Writing Fluency) | 1.5/2\nOriginality | 1.3/2\n***Total***|***7/10***\n\n<center>![separator.png](https://cdn.steemitimages.com/DQmUEw76E1F4JkMHgVbWcp1SUJbAss4VtKbL3LoY58rJDaQ/separador.png)</center>\n\n## Remarks:\n\n#\n\nYou have a task a little above average.\n\nTry to give respectful explanatory more, you really did not say anything interesting or complete about what Bitcoin is.\n\nTry harder in general, be more creative.\n\nExpress yourself more clearly, do not redundant so much.\n\n---\n\n##### Thank you @pulkit33 for your effort in carrying out this publication, I hope to continue reviewing your future tasks.\n\n---\n\n</div>",
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      "body": "<div class=\"text-justify\">\n\n\n![WhatsApp Image 2021-10-07 at 7.25.55 PM.jpeg](https://cdn.steemitimages.com/DQmbMnxv1RmiuUWJAfV6v7s2mZXMLQHakec2oZqReMWqi8R/WhatsApp%20Image%202021-10-07%20at%207.25.55%20PM.jpeg)\n\n![Blue new.png](https://cdn.steemitimages.com/DQmSFCma8CSqLyvRNitF7zBcchtSwCtanhcR3NRgwiGDVEo/Blue%20new.png)\n\n\n#### Q.2 What Is Bitcoin, and what was the Aim Behind Bitcoin Invention? Is Cryptocurrency Good For A Business To accept As Payment? Why?\n\n\n<br>![Blue new.png](https://cdn.steemitimages.com/DQmSFCma8CSqLyvRNitF7zBcchtSwCtanhcR3NRgwiGDVEo/Blue%20new.png)\n\n**What is Bitcoin?**\n<br>Bitcoin, as we all understand, is the first cryptocurrency inside the international, invented in 2008 employing a Japanese named Satoshi Nakamoto, whose identification has been unknown until now. Satoshi Nakamoto created bitcoin to offer an exceptional payment machine to haven't any imperative control. When bitcoin was launched in 2009, its worth turned into 0$; however, Bitcoin is worth more than $40,000.\n\nBitcoin has so many imitators however remains the most important cryptocurrency. Bitcoin miners obtain rewards in bitcoin after they complete blocks of tested transactions. They perform on a consensus mechanism called proof of labor (POW). Bitcoin is a decentralized machine whose transactions records are saved in a ledger called a blockchain.\n\n![Red nwe.png](https://cdn.steemitimages.com/DQmeG7bEZjPEJh2GPq5QGoSuaDMxvfq6HUww5F9x1yEicsj/Red%20nwe.png)\n\n\nBefore I preserve, I would like to provide a quick definition of what blockchain is.\n\n\n\n**BLOCKCHAIN**\n<br>Blockchain is a gadget that records transparently, and no statistics recorded on a blockchain may be changed. One can shop distinctive kinds of information in a blockchain. Any statistics that enters a blockchain or any transaction accomplished on a blockchain is irreversible and may be seen by using absolutely everyone because of its transparency.\n\n\n\n![Red nwe.png](https://cdn.steemitimages.com/DQmeG7bEZjPEJh2GPq5QGoSuaDMxvfq6HUww5F9x1yEicsj/Red%20nwe.png)\n\n\n\n**What was the aim behind bitcoin invention?**\n<br>Bitcoin became the first of its kind when it changed into invention, so many people did no longer recognize it, to begin with, because nobody had ever invented such an era earlier than.\n\nBelow are a number of the goals in the back of the invention of bitcoin.\n\nSatoshi Nakamoto created bitcoin in 2008 while a worldwide crisis befell. Bitcoin was created as an exchange charge device whereby the authorities, banks, or everybody will not be manipulated. Satoshi made the device in basic terms decentralized.\n\nSatoshi Nakamoto desired something with robust security and could not be controlled with the aid of everybody. The reality that bitcoin is below a blockchain gives it very excessive security because nobody is controlling it. Anything underneath a blockchain could be very secured and obvious.\n\nBitcoin is constructed in a way that it's entirely impartial for any financial institution like banks. Because of how decentralized bitcoin is, One can send and obtain bitcoin with no third party interfering. Unlike a centralized system wherein your transaction can be interrupted employing a bank.\n\n\n![Red nwe.png](https://cdn.steemitimages.com/DQmeG7bEZjPEJh2GPq5QGoSuaDMxvfq6HUww5F9x1yEicsj/Red%20nwe.png)\n\n**Is Cryptocurrency Good For A Business To Accept As Payment? Why?**\n<br>Yes, cryptocurrency is suitable for a commercial enterprise charge technique because I trust it is even an enormous price to any enterprise that makes use of it.\n\n**Some top-rated agencies that use cryptocurrency today are:**\n\n• Microsoft\n• Etsy\n• Paypal\n• Starbucks\n\nThe world is going virtual, and I consider cryptocurrency the future of foreign money; I agree that a time shall come while the complete global will cross completely virtual, and cryptocurrency is probably the most effective currency to be used for organizations.\n\n![Red nwe.png](https://cdn.steemitimages.com/DQmeG7bEZjPEJh2GPq5QGoSuaDMxvfq6HUww5F9x1yEicsj/Red%20nwe.png)\n\n**Below, I will explain some motive why is suitable for a commercial enterprise to apply cryptocurrency as a charge approach**\n<br>• **It's fast in transactions.**\n\nEvery enterprise will want transactions that come in and out regarding their commercial enterprise ought to be speedy. Since cryptocurrency operates in a decentralized system, it doesn't need any third birthday party to complete a transaction, making it very speedy to transact with it. I accept it as accurate that this may be a development in organizations.\n\n• **Safe Transactions.**\n\nThere are such a lot of extraordinary kinds of fraudsters within the international today. I trust the most effective manner to conquer this in groups is making cryptocurrency a way of charge due to the fact cryptocurrency runs on blockchain making all transactions and records transparent, and anything that is achieved on a blockchain cannot be changed or deleted.\n\n• **Low transaction fee.**\n\nAll commercial enterprise owners will like a low transaction rate for their business. The value of bank fees is excessive in transactions, and cryptocurrency is the answer to such trouble because the transaction charges in cryptocurrency are low.\n\n![Red nwe.png](https://cdn.steemitimages.com/DQmeG7bEZjPEJh2GPq5QGoSuaDMxvfq6HUww5F9x1yEicsj/Red%20nwe.png)\n\n\n**CONCLUSION**\n<br>Satoshi Nakamoto invented bitcoin to become the start of something super within the monetary international. There is over 6000 cryptocurrency inside the international nowadays. Cryptocurrency has modified the lives of so many human beings inside the world, and it's going to keep changing lives. Thanks, Satoshi Nakamoto, for this.\n\nI'm grateful to professor @stream4u for this exciting lecture. It went an extended way in making me analyze extra things about cryptocurrency.\n\n\n\n\n\n</div>",
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