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wholesale high quality costume jewelry POW: Proof of Work (POW), a simple explanation is a proof to confirm that you have done a certain amount of work. Because the entire process of monitoring is usually extremely inefficient, it is a very efficient way to complete the corresponding workload by certifying the results of the work. For example, the graduation certificate, driver's license, etc. in real life are proof obtained by testing results. That is to say, how much coin you get depends on your effective work on mining. Simple understanding, the better your computer performance, the more benefits you get. This is the distribution of coins according to your workload. Most digital currencies, such as Bitcoin, Litecoin, etc., are virtual currencies based on POW models (the higher the computing power, the longer the mining time, the more coins you get).
POS: POS is a consensus algorithm in the public chain, which can be used as a replacement of the POW algorithm. POW is a mechanism for ensuring Bitcoin, current Ethereum, and many other blockchain security, but the POW algorithm is accused during the mining process due to damage to the environment and waste power. POS tries to resolve these problems by replacing mining by a different mechanism.
POS mechanism can be described as a virtual mining. POS mainly depends on the tokens in the blockchain itself. In POW, a user may buy a computer at $ 1,000 and join the network to minimate new blocks to get rewards. In POS, users can buy tokens of equivalent value at $ 1,000, and put these tokens as deposits into the POS mechanism, so that users have the opportunity to generate new blocks to get rewards. In POW, if users spend $ 2,000 to buy hardware equipment, of course, they will get twice the computing power to minimate, so as to get twice the reward. Similarly, the tokens that have invested twice as much as a deposit in the POS mechanism have two times the right to get the right to generate new blocks.