Blockchain Consensus Mechanism
Unlike a centralized thing, in which the top-down hierarchy exists, Blockchain ideally follows a flat topology. There are so many nodes that join a Blockchain Network, and all of them have the same copy of the Blockchain. For safety, security and to maintain the root-of-trust the nodes participating in a Blockchain network must reach a consensus. That is also essential to make sure that the transactions being recorded in the Blockchain are secured and verified.
How the consensus is being reached among the peers/nodes depends on the type of consensus protocol adopted in a particular Blockchain. Consensus protocol helps to establish the valid Blockchain at any given time, and the new blocks are added to the valid Blockchain, the one, and the only version that exists for a network with root-of-trust as the genesis block.
- All the nodes agree to a single history.
- The longest chain is the valid chain.
Proof-of-Work(PoW)
PoW consensus mechanism requires a lot of computing effort to solve the complex mathematical puzzle, and the miners are tasked to validate the transaction, record them on the public ledger, which also becomes a part of the "chain of blocks".
Whenever a transaction in the Blockchain network is initiated it will go into the unconfirmed pool, then the miners are tasked to solve the cryptographic puzzle to verify and validate the transaction. The one that is validated is added in the Block (along with a timestamp and its previous timestamp). Any second attempt to spend the same amount will be invalidated and pulled out from the network.
In case both the transactions are taken simultaneously from the unconfirmed pool, the one which got the first confirmation is considered valid.
Further, the speed depends on the Block producing time of a particular network. For Bitcoin it is 10 mins whereas for Litecoin is it 2.5 mins, both use the PoW mechanism to reach a consensus.
In PoW, the selection of miners is random. PoW ensures a better degree of decentralization but limits scaling capacity and is energy inefficient.
Proof-of-Stake(PoS)
PoS is a deterministic approach, here the Block creator/validator is chosen based on the defined stake and in proportion to the stake, which means the higher the stake higher is the chance to become a validator to mint a Block. It does not require a mining rig, hence it is energy efficient. PoS also helps the price dynamics of the tokens as a certain percentage always remains locked.
Economic stake & incentive mechanism in PoS are key aspects to reach consensus.
The PoS model may be energy efficient and may also attract stakeholders to earn better rewards, but it tends to be centralized and less secure than PoW.
Example-- DASH, NEO, TEZOS, Etherum has already announced to switch from PoW to PoS.
Delegated-Proof-of-Stake(DPoS)
In DPoS, the stakeholders can delegate their power. So a stakeholder can vote for delegates. In PoS the stakeholders directly participate to validate a network, whereas, in DPoS, the elected delegates participate to validate the network.
DPoS significantly improves the scaling capacity. The modern-day Blockchains with high scaling capacity adopt DPoS with the popular ones being Tron Blockchain, EOS, Steem Blockchain, LISK, etc.
In DPoS, those who have a higher stake in Blockchain's native coin have greater influence in determining the elected delegates(or consensus witnesses). The number of delegates(or witnesses) may vary from one network to the other. For example, Tron has 27 Super Representatives, Steem Blockchain has (20+1) consensus witnesses.
Proof-of-Capacity(PoC)
In PoW, a miner has to invest in hardware, in PoS, a validator has to invest in Blockchain's native coin. In a similar way, in PoC, a validator has to invest in hard disk space. More the hard disk space more is the chance to become a validator.
PoC works by plotting and mining. The large nos of data sets known as plots are required to be stored in the hard drive, more such plots increase the chances of mining a block.
PoC is energy efficient but susceptible to malware risk.
Example-- Burstcoin uses the PoC consensus mechanism.
Proof-of-Burn(PoB)
In PoW, a miner invest in a mining rig, in PoB, a miner has to burn the coin to buy a virtual mining rig that allows them to become a miner. In this process, the miners are required to send the coins to an address that is unrecoverable/unspendable.
The selection of miners in PoB is also random(similar to PoW). The miners are required to burn more coins to improve the odds of mining a block.
Miners burn native coins/coins of an alternate chain to become miners and in return, they earn the network's native coin as a mining reward.
Example- Slimcoin
Practical Byzantine Fault Tolerant (pBFT)
pBFT is another consensus mechanism in which a network can still reach consensus even when one-third of the nodes are malicious. In other words, pBFT can work only when the maximum number of malicious nodes is not greater than one-third of all the nodes in the network.
In pBFT, the primary nodes first broadcast the messages to the secondary nodes and the secondary nodes perform the service and send back a reply. Consensus is reached when it receives m+1 replies, where m is the maximum nos of faulty nodes allowed(maximum= one-third of the total nodes).
pBFT is energy efficient, it does not require multiple confirmations either. But communication overload is significant in pBFT.
In general, pBFT is used as a combination with other consensus mechanisms.
Example-- Zilliqa (pBFT+PoW)
Homework Task
(1) What is the difference between PoW & PoS? Advantages & Disadvantages? Which one is better in scaling Capacity? Examples?
(2) What is the difference between PoS & DPoS? Advantages & Disadvantages? Name a few Blockchain projects which use the DPoS consensus mechanism and indicate the scaling capacity?
(3) Name a few Blockchain projects which use dBFT in combination with other consensus mechanisms? Indicate the scaling capacity? Explain dBFT along with the pros and cons?
Guidelines
(1) Your article should be at least 300 words.
(2) This homework task does not have an expiry, however, you can submit your assignment only once.
(3) Eligibility Criteria--
- Must have a reputation of 50 or above
- Must have at least 125 SP (excluding any SP delegated-in)
- Must have completed Achievement Task-4 in Newcomers' Community
(4) Add tag #academy-intro04 #cryptoacademy in your post and should be among the first five tags. And also make sure you post in the Steemit Crypto Academy community.
(5) You can attempt any one out of the three questions, but you must write the entire Question in Bold letter at the beginning of the post.
Thank you.
Hi Professor, Here is my homework
https://steemit.com/hive-108451/@culzee/crypto-academy-season-3-beginners-course-homework-post-for-task-4-proof-of-work-and-proof-of-stake
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My entry.
https://steemit.com/hive-108451/@ryzsfa/crypto-academy-season-3-beginners-course-homework-post-for-task-4-concensus-algorithm-by-ryzsfa
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Hello professor@sapwood here is my entry
https://steemit.com/hive-108451/@josepha/crypto-academy-season-3-beginners-course-homework-post-for-task-1-difference-between-pos-and-dpos-given-professor-sapwood
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I am eligible or not
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Eligible.
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Sir my homework entry
https://steemit.com/hive-108451/@yuceetoria/crypto-academy-season-3-beginners-course-homework-post-for-task-4-concensus-algorithm
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Hello professor @sapwood, this is my homework post
https://steemit.com/hive-108451/@ruggedangel/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-by-ruggedangel-for-sapwood
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Hello Professor @sapwood
This is My Entry Post for Homework Task 4.
Thank you.
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https://steemit.com/hive-108451/@doctor23/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-by-doctor23
My Entry
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my entry
https://steemit.com/hive-108451/@hibbanoor/crypto-academy-season-3-beginners-course-homework-post-for-task-4-concensus-algorithm-by-hibbanoor
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Hi prof!
Here is my homework:
https://steemit.com/hive-108451/@papi.mati/crypto-academy-season-3-beginners-course-homework-post-for-task-4-pos-and-dpos-by-papi-mati
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Hello dear Professor @sapwood here is my homework:
https://steemit.com/hive-108451/@zeeshanakram/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-by-zeeshanakram
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Dear Professor sir,
Here My Homework Entry:
https://steemit.com/hive-108451/@aniksikder/steemit-crypto-academy-season-3-beginners-course-homework-for-task-4-different-types-of-consensus-mechanisms-for-professor
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Hello Professor @sapwood, here is my homework submission.
Thank you
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My homework link:
https://steemit.com/hive-108451/@obikay/crypto-academy-season-3-beginners-course-homework-post-for-task-4-consensus-mechanism-for-professor-sapwood-by-obikay
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Dear professor!
Here is my link 🔗
https://steemit.com/hive-108451/@shahzadprincejee/crypto-academy-season-3-beginner-s-course-task-4-different-types-of-consensus-mechanisms-by-shahzadprincejee-for-sapwood.
I hope you will like my post .
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Hi Professor @sapwood, my homework https://steemit.com/hive-108451/@isgledysduarte/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-by-isgledysduarte
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hello Prof @sapwood, I have gone through the notes of this task. The content is pretty clear and elaborate. The illustrations have been of great help. Just putting down a few doubts here...
Thank You.
#affable
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Hola profesor @sapwood, aquí le dejo mi entrada para la tarea de este post!
Muchas gracias por la clase, saludos!
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Greetings Prof @sapwood
Here is my assignment
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Hello professor @sapwood my entry https://steemit.com/hive-108451/@jasminemary/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms
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My entry
https://steemit.com/hive-108451/@kelechisamuel/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-by-kelechisamuel
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Hello, my homework.
https://steemit.com/hive-108451/@maralop16/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-or-maralop16
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My entry https://steemit.com/hive-108451/@josegma96/crypto-academy-season-3-beginners-course-homework-post-for-task-4-blockchain-consensus-mechanism
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My submission
https://steemit.com/hive-108451/@salamdeen/crypto-academy-season-3-or-beginners-introduction-task-4-consensus-mechanisms
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Hi professor @sapwood, this is my homework entry link:
https://steemit.com/hive-108451/@blessingkasabe/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-pow-and-pos-homework
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Hello Professor @sapwood, it was great lecture and I learnt a lot. Thanks
Here is my submission entry
https://steemit.com/hive-108451/@ononiwujoel/crypto-academy-season-3-beginners-course-task-4-consensus-mechanisms-for-professor-sapwood-by-ononiwujoel
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My entry: https://steemit.com/hive-108451/@beautybb/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-for-sapwood-submitted-by-beautybb-29-06 thank you @sapwood
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Good day professor, this is the link to my homework post here
I joined September 2020, and I met all the requirements.
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Hello Professor This Is My Beginners' course - Task 4: Different types of Consensus Mechanisms, Please Check
https://steemit.com/hive-108451/@ichsananggap/season-3-or-intro-4-crypto-academy-beginners-course-task-4-different-types-of-consensus-mechanisms
THANKS
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https://steemit.com/hive-108451/@vamprsjr/crypto-academy-season-3-beginners-course-homework-post-for-task-4-intro-4
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Hi Professor @sapwood This is my homework post for Task 4
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Here is my homework link
https://steemit.com/hive-108451/@peace127/crypto-academy-season3-beginners-course-task-4-different-types-of-consensus-mechanisms
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My homework task
https://steemit.com/hive-108451/@olachi/crypto-academy-season-3-beginners-course-homework-post-for-task-4-consensus-mechanism-for-professor-sapwood
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Here is my entry
https://steemit.com/hive-108451/@drmax1/crypto-academy-season-3-beginners-course-homework-post-for-task-1-difference-between-pos-and-dpos-given-professor-sapwood
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Hello professor, here is my entry
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Hello professor here is my Entry thanks
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Por aquí dejo mi participación ----> Tarea 4
Saludos!
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Dear sir,
Here is my beginner`s homework task 4
https://steemit.com/hive-108451/@alauddinpabel/steemit-crypto-academy-season-3-beginners-course-task-4-homework-post-for-sapwood-different-types-of-consensus-mechanisms-pow
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Sir my post is now 6 days old and grading is also above 5 but haven't been curated yet ..m please do have a look
https://steemit.com/hive-108451/@shahidchoudary/crypto-academy-season-3-beginners-course-homework-post-for-task-4-different-types-of-consensus-mechanisms-by-shahidchoudary
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Hi professor @sapwood this is my repost link:
https://steemit.com/hive-108451/@blessingkasabe/repost-crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-pow-and-pos-homework
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Hola profesor, mi tarea del curso 4 no ha sido curada y ya paso más de 7 días, fue corregida más no curada.. aquí les dejo el enlace para que verifiquen. Saludos!
https://steemit.com/hive-108451/@maralop16/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-or-maralop16
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Aquí mi tarea 4:
https://steemit.com/hive-108451/@luis.lucia/temporada-3-de-crypto-academy-curso-para-principiantes-tarea-4-mecanismos-de-consenso-para-el-profesor-sapwood-por-luis-lucia
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Hello prof @sapwood, here is my link for beginners Task-4
https://steemit.com/hive-108451/@meniya/crypto-academy-season-3-beginners-course-homework-post-for-task-4-blockchain-consensus-mechanism
Thank you.
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Here is the entry to my homework professor: Crypto Academy Season 3 Beginners' course - Task 4: Different types of Consensus Mechanisms by @wesley11
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Dear sir (Mr. @sapwood), Already 5 days have passed and I haven't received any reviews from you yet. Please take a look.
Here is my post link below.
https://steemit.com/hive-108451/@alauddinpabel/steemit-crypto-academy-season-3-beginners-course-task-4-homework-post-for-sapwood-different-types-of-consensus-mechanisms-pow
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Okay, I will follow up with the team.
Thank you.
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Hi, professor @sapwood, this is my homework entry link: https://steemit.com/hive-108451/@patrickbonyah/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-pow-and-pos-homework
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Hi professor, this is my beginners fixed task 4 entry
https://steemit.com/hive-108451/@gabikay/crypto-academy-season-3-fixed-task-4-consensus-mechanism
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This is my homework.
https://steemit.com/hive-108451/@nishadi89/homework-or-crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms
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Dear prof. @Sapwood
Below is the link to my homework
https://steemit.com/hive-108451/@msquaretwins/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanism-or-homework-post-for-professor-sapwood
Thank you.
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Saludos amigos aqui les dejo mi tarea 4 https://steemit.com/hive-108451/@alexandergudino/curso-para-principiantes-de-la-temporada-3-de-crypto-academy-tarea-4-diferentes-tipos-de-mecanismos-de-consenso-realizado-po
publicado en Twitter https://twitter.com/alexander_2611/status/1415525964579213313?s=20
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My entry professor
https://steemit.com/hive-108451/@chiabertrand/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-by-chiabertrand
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dear professor, this is my task 4
https://steemit.com/hive-108451/@robbee/steemit-crypto-academy-season-3-beginners-course-task-4-by-sapwood-different-types-of-consensus-mechanisms
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Hi professor @sapwood below is my home work
https://steemit.com/hive-108451/@gida/season-3-beginners-course-task-4-homework-post-for-sapwood-different-types-of-consensus-mechanisms-pow-and-pos-by-gida
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Hello professor @sapwood i submitted my home work for three days now it has not been reviewed
https://steemit.com/hive-108451/@gida/season-3-beginners-course-task-4-homework-post-for-sapwood-different-types-of-consensus-mechanisms-pow-and-pos-by-gida
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Thank you for the lecture professor @sapwood. It's a detailed lecture.
Below is the link to my homework.
https://steemit.com/hive-108451/@msquaretk/crypto-academy-season-3-beginners-course-task-3-or-homework-post-for-professor-sapwood-or-different-types-of-consensus
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Excelente clase profesor @sapwood
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Hello professor @sapwood i submitted my home work for three days now it has not been reviewed
https://steemit.com/hive-108451/@gida/season-3-beginners-course-task-4-homework-post-for-sapwood-different-types-of-consensus-mechanisms-pow-and-pos-by-gida
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My task link
https://steemit.com/hive-108451/@joelmaxwell/homework-or-crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-by-joelmaxwell
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Professor here is my home work
https://steemit.com/hive-108451/@gida/season-3-beginners-course-task-4-homework-post-for-sapwood-different-types-of-consensus-mechanisms-pow-and-pos-by-gida
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Hello professor my post is 6 days old now it has not been marked
https://steemit.com/hive-108451/@gida/season-3-beginners-course-task-4-homework-post-for-sapwood-different-types-of-consensus-mechanisms-pow-and-pos-by-gida
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Professor my homework has been marked and it will payout in 6 hours time it has not been curated below isthe link
https://steemit.com/hive-108451/@gida/season-3-beginners-course-task-4-homework-post-for-sapwood-different-types-of-consensus-mechanisms-pow-and-pos-by-gida
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Must have completed Achievement Task-4 in Newcomers' Community
I think that it should have been pointed out from the start that this was so in order for us to just wait till next week, I have taken no beginners course, I mean I have been on Steemit for nearly five years, more time than all the professors, which begs the question, have the professors all taken these beginners courses?
I have no problem I will just wait till next week, but don't you really think this is not a too smart requirement?
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Sir, the Beginner(fixed courses) are mostly the same courses/topic we have covered so far in Season 1 & 2, and this structure has been designed to motivate Newcomers to join Crypto Academy.
We have 1124 Newcomers who have completed Achievement Task-4(in the last 12 months).
Beginner Tier has two types of courses--
(1) Fixed (6 courses without any expiry)
(2) Dynamic (2 courses each week with an expiry of 6 days)
Fixed courses have been designed to motivate Newcomers(who have completed Task-4) and to lower the barrier to entry.
Whether OLD or NEW whosoever has completed Task-4 in the Newcomers community can partake in the Beginner course[6 Fixed Lesson].
If not, then wait until 28th, you can partake in all three tiers[Dynamic Courses] should you meet the eligibility criteria.
Thank you.
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Yes, this is explained in every lesson post, my point is I have five years on Steemit, why would I be required to receive a beginners course when obviously I am no beginner, in fact I am two years older than you on the platform. Now I do think that an experienced user should not participate in a beginners course, on the other hand, and looking at what lessons were posted today there is a lot of stuff I know nothing about, so why can't I participate in these lessons? You could still grade a person even if it wouldn't qualify for a steemcurator vote.
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Sir, when we say "you can participate", it becomes an obligation for us to curate that user, to reward that user with a Steemcurator vote based on the performance.
If someone is taking part just out of passion, and/or to expand knowledge beyond the boundary of eligibility criteria, then he can do so. A decentralized ecosystem venerates choice, you are free to do so, I will engage with you within my personal capacity.
A professor who is looking after the Beginners' course[Fixed Courses] has a list of 1124 users for Beginner[Fixed courses] and based on that he will curate the list of assignments.
Thank you.
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Ok, thanks.
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You are very polite. I like u already
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Professor @sapwood
my homework is marked but did nit receive curated before payout what should i do
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Professor here is a repost of my work which is marked and have bot been curated
https://steemit.com/hive-108451/@gida/season-3-beginners-course-task-4-homework-post-for-sapwood-different-types-of-consensus-mechanisms-pow-and-pos-by-gida
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But the link given by you is 8 days old. Where is the report link??
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I will repost it
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Link to my repost
https://steemit.com/hive-108451/@gida/7jejt7-season-3-beginners-course-task-4-homework-post-for-sapwood-different-types-of-consensus-mechanisms-pow-and-pos-by-gida
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Always provide the screenshot of the curated remarks/grading by the professor at the beginning of the post
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I just added it professor
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Professor below is the link to my repost
https://steemit.com/hive-108451/@gida/7jejt7-season-3-beginners-course-task-4-homework-post-for-sapwood-different-types-of-consensus-mechanisms-pow-and-pos-by-gida
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Buenas tardes profesor, hago entrega de mi tarea:
https://steemit.com/hive-108451/@leomolina/crypto-academy-s3-t4-or-beginners-course-or-mecanismos-de-consenso
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Saludos respetado profesor @sapwood, por acá le presento mi actividad número 4.
https://steemit.com/hive-108451/@emmalucia/curso-para-principiantes-de-la-temporada-3-de-crypto-academy-tarea-4-diferentes-tipos-de-mecanismos-de-consenso-emmalucia
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¡Hola buenos días profesor @sapwood! Espero se encuentre bien esta es Nuestra Tarea Task-04
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Hello Professor @sapwood 🙋,
Please find My Entry Post for Homework Task 4.
Thank you.
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Hello professor @sapwood this is the link to my Entry post for task 4
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Dear Professor sir,
Here is my homework.
https://steemit.com/hive-108451/@thimalteb/crypto-academy-season-3-beginners-course-homework-post-for-task-4-consensus-mechanisms-by-thimalteb-for-sapwoodr
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What a great class.
THIS IS MY HOMEWORK LINK HERE
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my homework task
https://steemit.com/hive-108451/@farooq2923/homework-or-crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms
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Please Prof @sapwood this is my entry.
https://steemit.com/hive-108451/@hmohammed14/crypto-academy-season-3-beginner-s-course-homework-post-for-task-4-proof-of-work-and-proof-of-stake
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Buenas noches profesor @sapwood, esta es mi tarea
https://steemit.com/hive-108451/@flacura50/pow-se-necesita-una-gran-inversion-en-hardware-y-en-optimizacion-del-software
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Hi Professor @sapwood, find below my assignment link
https://steemit.com/hive-108451/@michaelu40/crypto-academy-season-3-beginners-course-homework-post-for-task-4-different-types-of-consensus-mechanisms
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Hi professor @sapwood have is my entry
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Your link is not reflecting here...
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Thank you dear,am grateful @cinnymartins
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Good day sir
Please here is the correct link to my post
Crypto Academy Season 3 [Beginner's Course] Homework post for Task 4: Consensus mechanism for Prof. @sapwood by @cinnymartins
Thank you sir
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Hi professor @sapwood, here my entry link
Crypto Academy Season 3 Beginners Course-Task 4: Different types of consensus, Mechanis by @ijelady
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Hello professor @sapwood this is my entry
Crypto Academy Season 3 Beginners' course - Task 4: Different types of Consensus Mechanisms
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My homework post
Crypto Academy Season 3 Beginners' course - Task 4| Different types of Consensus Mechanisms| Homework post for Professor@sapwood
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Hola profe, @sapwood! Acá mi tarea 4: https://steemit.com/hive-108451/@kpbermudez/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-by-kpbermudez
Aprovecho de comentar, mi actividad 1 no fue revisada y ya venció. Qué puedo hacer en ese caso? Gracias.
Saludos!
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Hello professor here is my post of homework task
https://steemit.com/hive-108451/@alihussain07/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanism-by-alihussain07
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Saludos profesor @sapwood, acá les traigo mi participación
Curso para principiantes de la temporada 3 de Crypto Academy - Tarea 4: Diferentes tipos de mecanismos de consenso | por @jmanuel-e
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Hi professor @sapwood, here is the link to my assignment. Thank you for your attention.
https://steemit.com/hive-108451/@exerjsg/crypto-academy-season-3-beginners-course-task-4-consensus-mechanisms-by-exerjsg-eng-esp
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Hello professor. This is my homework link
https://steemit.com/hive-108451/@lordhojay/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-pow-and-pos-homework
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Hello Prof. @sapwood
This is my homework post link.
https://steemit.com/hive-108451/@akcares/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-by-sapwood-homework-post-by-akcares
Great lecture sir.
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Hola, profesor @sapwood! Adjunto de nuevo el link de mi tarea 4, pues aún no ha sido corregida! https://steemit.com/hive-108451/@kpbermudez/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-by-kpbermudez
#academy-intro04
#cryptoacademy
Agradecida, saludos!
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Hola profesor, acá mi participación gracias
https://steemit.com/hive-108451/@sonimar/curso-para-principiantes-de-la-temporada-3-de-crypto-academy-tarea-4-diferentes-tipos-de-mecanismos-de-consenso-por-sonimar
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https://steemit.com/hive-108451/@haseeb-asif-khan/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms
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Please here is my entry:
https://steemit.com/hive-108451/@phlexygee/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-by-phlexygee
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https://steemit.com/hive-108451/@yancar/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-by-yancar
Hola profesor @sapwood, acá mi tarea
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Hi Professor @sapwood, this is my assignment
https://steemit.com/hive-108451/@zology69/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms
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Thankyou so much professor will be completing my task soon😊
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Saludo profesor @sapwood, este es mi trabajo domiciliar 4:
https://steemit.com/hive-108451/@nrvan28/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms
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https://steemit.com/hive-108451/@aleisbertblanco/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-by-aleisbertblanco
Saludos profesor @sapwood, aquí esta mi tarea 4.
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Here isis my entry
https://steemit.com/hive-108451/@predomina/crypto-academy-season-3-beginner-s-course-homework-post-task-4-consensus-mechanism-for-prof-sapwood
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This is my homework post
https://steemit.com/hive-108451/@mayureshpandit/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms-or-or-homework-task-by-mayureshpandit
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Hi professor @sapwood this is my homework
https://steemit.com/hive-108451/@eberechi10/crypto-academy-season-3-beginners-course-homework-post-for-task-4-by-prof-sapwood
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Good day Prof @sapwood I submit my task
https://steemit.com/hive-108451/@iloveakuma/crypto-academy-season-3-beginners-course-task-4-different-types-of-consensus-mechanisms
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¡Hola! Buenas tardes, excelente explicación. Saludos :D
https://steemit.com/hive-108451/@raquelsiso1/curso-para-principiantes-de-la-temporada-3-de-crypto-academy-tarea-4-diferentes-tipos-de-mecanismos-de-consenso
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