How to set up the opera browser. How to set up opera on a computer

 The process of installing the Opera browser on a Windows computer is quite simple, but for those who are used to learning how to do something first, and only then do it, in this article we will look at how to install the Opera browser on a computer. To do this, you need to download the official version of the Opera browser (how to do this is described in detail in → this article). Then double-click on the downloaded file with the left mouse button. This will start the process of installing Opera on your computer. Starting the installation process of Opera on your computer For security reasons, when installing new programs on a computer, you need to confirm that this is done in a sober mind and solid memory. Therefore, this window will appear first: Starting the installation process of Opera on your computer It asks: "Run this file?". If this is indeed an Opera installation file downloaded from the official site, as described by the link in the introduction to this article, t...

Disadvantages of PoS

Disadvantages of PoS


On the market, you can find a fairly large number of cryptocurrencies that work on a hybrid algorithm. Pure Proof-of-Stake is relatively rare, as there are several drawbacks.

One of the main ones is the unfair distribution of coins. The volume of the reward for an open block is determined by whoever has the most of a particular variety of cryptocurrency. This does not allow for complete decentralization. It is most profitable to own cryptocurrency in large volume, which leads to a monopoly of the market. Developers distribute the entire amount of money even before the moment when they enter the market. Early investors find themselves in the most favorable conditions, which does not attract new users. Large investors determine almost all development prospects.

There is a threat of an attack that will be provoked by the largest owners of coins. If the cryptocurrency is sold cheaply, then the coins can be bought in large quantities for a relatively small amount and gain control over most of the entire assets of the system. This allows attackers to resort to various manipulations.

Probability of parallel transactions. There may be two users in the system, the parameters of which will be the same. If the blocks are signed at the same time, both will be correct. Despite the existing shortcomings, the system still has prospects, as the creators are upgrading and working on bugs.