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Topic: What is the fundamental difference between Proof of Work (PoW) and (PoS) ? (Read 167 times)

sr. member
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Merit: 298
-snip-

Use your own words and don't make it that obvious that you're plagiarizing.  

- PoS is generally seen as more scalable than PoW due to its lower energy requirements and potential for higher transaction throughput.

Incorrect.  Transaction volume is unrelated to the mechanism.  A PoW cryptocurrency with 1 MB blocks can process as many transactions as a PoS crypto with 1 MB blocks.  The block size which defines the volume does not vary.

And Vitalik Buterin stated this many times because there was an assumption that PoS would improve tx throughput. It doesn't do that.

Has Vitalik ever said that?  Could you share a link?
hero member
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I'm a newbie and wonder
What is the fundamental difference between Proof of Work (PoW) and Proof of Stake (PoS) ?
Before knowing the difference between these two, you first know that these two are the types of consensus mechanisms. Now what consensus mechanism is: it's a set of rules that allows all participants of the blockchain network to agree on the current state of the blockchain. So considering this definition, these two POS and POW are mostly used, there are many other types of mechanisms that also exist, but as I said these are mostly used. So, the basic difference between them is.

POW (Proof of Work) mechanism requires computational power, while POS (Proof of Stake) requires staking of cryptocurrency. POW requires more energy while POS doesn't require energy as its assets (virtual) based. POW is older then POS, but POW is slower then POS. POW is better then POS in terms of equability, like in POW rich don't get richer, everyone can participate, but in POS only those will earn blockreward who will stake more funds in the blockchain. Most projects based on POW are decentralized, while on POS they are not.
legendary
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If you copied and pasted it, likely that is the reason you posted it fast. Include the link next time and not just try to plagiarize.

Not only plagiarism is what he did wrong the worst thing is that his post is AI-generated 100%. That is why he can respond right away because he generated it from chatgpt.

So the post is 99% plagiarism and 100% AI-generated which is not allowed here on the forum.
newbie
Activity: 72
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Proof of Work (PoW): It's like a race where miners compete to solve puzzles. The first one to solve it gets to add a block of transactions to the blockchain and gets rewarded. But it's like an energy-intensive race because solving these puzzles requires a lot of computing power.

Proof of Stake (PoS): Instead of a race, it's more like a lottery where the chances of winning depend on how much cryptocurrency you're willing to put at stake, or lock up as collateral. The more you have, the better your chances of being chosen to add a block to the blockchain. It's less about brute computational power and more about proving you have a stake in the network. Plus, it's less energy-intensive compared to PoW.
hero member
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@ItsaWhale
All your post in just 2 minutes and some seconds. You are alt account of Alphazet. If you are not an alt of Alphazet, you know each other and both of you are trying to look for ways to earn merits together in an inappropriate way.
I think you got that guy, I also felt something similar about him. The both accounts might be in the hands of the same guy or they might be living in same place and created the thread then replied it within a matter of minutes.

If we look closely at his reply then we can find that it's not possible to write such comprehensive reply within 2 minutes and a few seconds and that's a clear sign that the accounts are managed by the same person. It's not a proper way to earn merits.
hero member
Activity: 2240
Merit: 848
- PoS is generally seen as more scalable than PoW due to its lower energy requirements and potential for higher transaction throughput.



I don't think this is true at all. No matter what consensus mechanism you use, you still gotta pass the tx data around the network. For example, Ethereum switching from PoW to PoS did not improve transaction capacity. And Vitalik Buterin stated this many times because there was an assumption that PoS would improve tx throughput. It doesn't do that.

For example, if Bitcoin switched to PoS (which will never ever happen), that wouldn't do anything to increase transaction throughput. Only by increasing blocksize or decreasing block time would transaction throughput increase. Or changing some parameters of transactions to make txs more efficient with data or sneak more data in as some Bitcoin protocol updates have done.

All PoS does, compared to PoW, is switch from hashpower being used to confirm blocks, to staking the token supply being used to confirm nodes.


PoS is inherently more centralizing that PoW, and people often argue it is a weaker consensus mechanism than PoW as well. The positive is PoS doesn't use an electricity race to add blocks, but then it also doesn't provide the benefits that Bitcoin's PoW provides to society by using wasted and stranded energy and solving energy imbalance issues in the world.

But PoW is mostly a winner take all game. The dominant PoW blockchain is going to  command the lionshare of hashpower (or at least does in reality since Bitcoin dominates), and so all other PoW blockchains are tiny compared to it and are inherently attackable if miners switched decided to switch from Bitcoin to other PoW chains in order to attack. Double spends are fairly easy to do on every PoW chain other than Bitcoin, because they are all tiny. This is somewhat negated by some PoW chains using different algorithms which prevent hashpower from crossing over (I think). But still, there is really basically only a need for a single PoW chain, and that of course is Bitcoin.

In light of that, PoS, even though it is inherently more centralized and weaker than PoW, makes sense for altcoins because they would all just be really weak PoW blockchains anyway. And they are already run by companies and founders and have premines and everything so they are fairly centralized but distributed products to begin with, so having a somewhat centralized consensus mechanism is simply in line with the rest of their design.


But yeah, OP, PoW uses electricity to compute hashes to solve a mathematical problem to add blocks to the blockchain, with all the miners competing to solve the problem for each block, because all rewards for the block go to the successful miner. While PoS has owners of the currency "stake" their tokens and then the block earnings are dolled out in proportional share to the staking network based on how many tokens are staked by each staking member. There are different ways to set this up. For example, Ethereum makes it really hard so that has caused Ethereum staking to become super centralized because everyone basically just has to use one of a handful of staking services.
legendary
Activity: 1512
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I do know the difference since  ETH did the (POS) and I posted the way it is

Tbh I don't know the OP and its not that I care about merits otherwise I would be posting all day long !
If you copied and pasted it, likely that is the reason you posted it fast. Include the link next time and not just try to plagiarize.
hero member
Activity: 868
Merit: 952
@ItsaWhale
All your post in just 2 minutes and some seconds. You are alt account of Alphazet. If you are not an alt of Alphazet, you know each other and both of you are trying to look for ways to earn merits together in an inappropriate way.


I do know the difference since  ETH did the (POS) and I posted the way it is

Tbh I don't know the OP and its not that I care about merits otherwise I would be posting all day long !

Are you still denying the fact that this is an outright Plagiarism? I put your text on a checker and 99% was ticked for plagiarism. I needed not to check because the way the post was worded In a short period of time was definitely the obvious reason. Once again try to put links to posts you copy to avoid getting banned
copper member
Activity: 46
Merit: 4
@ItsaWhale
All your post in just 2 minutes and some seconds. You are alt account of Alphazet. If you are not an alt of Alphazet, you know each other and both of you are trying to look for ways to earn merits together in an inappropriate way.


I do know the difference since  ETH did the (POS) and I posted the way it is

Tbh I don't know the OP and its not that I care about merits otherwise I would be posting all day long !
legendary
Activity: 1512
Merit: 4795
Leading Crypto Sports Betting & Casino Platform
@ItsaWhale
All your post in just 2 minutes and some seconds. You are alt account of Alphazet. If you are not an alt of Alphazet, you know each other and both of you are trying to look for ways to earn merits together in an inappropriate way.

hero member
Activity: 868
Merit: 952
Go through this mega thread by BlackHatCoiner on POW vs POS. It gives you the information of what it is both about and also the forum community view on them

~

Learn to add links on posts you copy, so as not to be reported for plagiarism which leads to a ban.
copper member
Activity: 46
Merit: 4
The fundamental difference between Proof of Work (PoW) and Proof of Stake (PoS) consensus algorithms lies in how they validate transactions and create new blocks in a blockchain network.

Proof of Work (PoW):
- PoW requires miners to solve complex mathematical puzzles using computational power to validate transactions and create new blocks.
- Miners compete to find the correct solution to the puzzle, and the first one to do so gets to add a new block to the blockchain.
- PoW is energy-intensive as it requires significant computational power, which helps secure the network against attacks by making it costly to perform a 51% attack.
- However, PoW can lead to centralization as miners with more resources (e.g., specialized mining hardware) have a higher chance of solving the puzzles and receiving rewards.
- In terms of scalability, PoW can face challenges due to its energy consumption and potential limitations on transaction throughput.

Proof of Stake (PoS):
- PoS allows validators to create new blocks and validate transactions based on the number of coins they hold or stake in the network.
- Validators are chosen to create new blocks based on factors like their stake in the network and other criteria, rather than through computational puzzles.
- PoS is considered more energy-efficient compared to PoW as it does not require intensive computational work.
- However, some argue that PoS may be less secure than PoW because validators have an incentive to act honestly to protect their stake in the network. This can potentially lead to centralization if a few large validators control a significant portion of the stake.
- PoS is generally seen as more scalable than PoW due to its lower energy requirements and potential for higher transaction throughput.

In the context of the Bitcoin network, which currently uses PoW, the PoW algorithm has proven to be robust in terms of security against attacks like double-spending.
 However, the energy-intensive nature of PoW has raised concerns about its environmental impact and scalability issues.

You can read more about it https://www.coinbase.com/learn/crypto-basics/what-is-proof-of-work-or-proof-of-stake
newbie
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I'm a newbie and wonder
What is the fundamental difference between Proof of Work (PoW) and Proof of Stake (PoS) ?
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