POS is superior than POW. A long thread 🧵.
Remember: Here I am saying that #POS is superior to #POW, not that all POS #blockchains are good, there are always bad-built blockchains, both in POW & POS.
Remember: Here I am saying that #POS is superior to #POW, not that all POS #blockchains are good, there are always bad-built blockchains, both in POW & POS.
1.1) POW with many #miners requires a lot of #energy & #pollutes (without renevables), this is a waste of energy, not because the provided service is not of high level, but because we have alternatives (POS). The generated heat could be dangerous too for our environment.
1.2) On the contrary a POS blockchain uses only a fraction of a POW blockchain energy to work. A POS blockchain could be also carbon neutral or carbon negative as #elrond.
1.3) A POS blockchain uses only a low quantity of energy, near to the requiring energy to manage the transactions. Moreover all the hardware to be thrown away, for the spare parts of the mining RIGs could further contribute to pollution.
1.4) Finally a POS blockchain have some advantages with respect to POW ones in case of quantum computer attacks.
2.1) It is not correct to say that rich people will control POS blockchain. This is a low level thinking. Firstly also in POW rich people could buy a lot of token & so they could manipulate/decide its price.
2.2) A very valuable blockchain would require a lot of money to buy a lot of its crypto token, the price will rise fast, in fact the market price is only the lowest price for the token.
2.3) Also in the case of someone who owns a big supply of a POS blockchain token, the attacker would mainly attack himself having a big bag.
2.4) Moreover think to a business: it is right that the person who holds more stocks should decide more about important decisions for the future of the business, being the person who put more money on it, who believed more on it & who could lose more from it.
2.5) POS principles are the fairnest ones. Finally, some POS protocols (like the elrond sPOS) are based on random selection & time requirements to enanche the security of the entire blockchain.
2.6) In this case it is more difficult for an actor owning multiple active nodes to attack succesfully the system
3.1) Stop thinking that a blockchain should not give advantages to rich people. This can't be true, unfortunately, but this is how nature works. Why? Because blockchain technologies will guide also the economical part of human lives.
3.2) This means that in certain cases they will act as a business. A decentralized blockchain gives financial services: have a native crypto token used as money, lending, borrowing, buy/sell NFT, buy/sell goods, services, use it for proof of ownership, regulates contracts.
3.3) So it is in its nature to be "business-like". Look at bitcoin for example, rich people could buy more bitcoin than poor people and in a certain way they could also "decide" the price for the toher users, manipulating the prices. This is part of the game, it is unevitable.
3.4) Moreover rich people could also buy high performance mining RIGs and mine more bitcoin than others. So stop claiming that a rich people could be advantaged by POS blockchain. This is true in everyday life & in every blockchain.
3.5) You create a token? -> The rich will buy more than you & will sell at their prices. This is how the world works & it is a natural aspect to be honest
4.1) The stacking mechanism is very fair. Since the more you are willing to lose/stake the more you will be rewarded/paid.
4.2) It's like financing a company, you put your capital at risk to finance a business that you think is successful and when it is successful (if, of course) you will have a share of the profits. This is how a POS blockchain work.
4.3) In this case the "business" is one of the most important in the Earth: running a blockchain & validating all the transactions in a secure way
5.1) The POW blockchains are controlled by few pools. This is a sad reality about POW blockchain. Bitcoin >50% hashrate is in the hand of 4 pools. Ethereum >50% hashrate is in the hand of 3 pools. This is decentralization? So you don't need budget to buy CPUs or GPUs.
5.2) A lot of miners connect their hardware, their mining RIGs to few pools. This is a very problem in my opinion for POW blockchains. A good POS blockchain have thousands or more ACTIVE nodes/validators.
5.3) The word ACTIVE is crucial, since for example a daedalus #cardano wallet does NOT act as an active node, it is a passive node. Also the #ETH 2.0 validators with 32ETH are NOT all active nodes, so not all the ETH 2.0 validators protect really the blockchain.
5.4) On the contrary Elrond has 3200 nodes/validators with less than 1000 staking agencies. Moreover the secure-POS (sPOS) guarantees a very high level of security & decentralization as mentioned before
6.1) POW will work also with 1 single miner with 1 low power cpu, so it does not mean necessarily "power protecting the blockchain". Stacking in POS would be more popular & user friendly
7.1) It is clear that a good blockchain should not have the team owning a lot of crypto native token. This is true for both POW & POS.
7.2) Remember that Satoshi pre-mined a lot of bitcoin (1M? around 5% of total supply in 1 person?). So 10-20% for a team with many members should not be so bad.
When someone has no arguments, they will answer with a clown face and block you 😂 Maybe he doesn't deserve any answers for his doubts. 
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