The creator of Ethereum, the most popular platform for launching blockchain apps, Vitalik Buterin shared the main difficulties which his team faced when switching to Proof-of-Stake (PoS) algorithm.
As he believes, at this moment there are several problems in the Proof-of-Stake consensus. Firstly, this is a combination of stakes and pools, secondly, this is a sharding which turned out to be much more difficult technically than he previously thought. Ethereum creator says that the main purpose now is decentralization of blockchain Ethereum and also reducing the barrier for validators enter. In simpler language, the latter means that developers should not allow a high price to run a new node.
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Buterin also admitted that the upcoming switch of Ethereum to Proof-of-Stake won’t be deprived of some “compromises” but basically the main vector of the project will be aimed at decentralization of the blockchain, providing guarantees for stakers, and the low cost of launching nodes.
Recall that in the near future the project development team is going to present an updated Ethereum 2.0 which will not have all of those flaws which the current project version has.
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