MongoDB

 MongoDB is an open source, document-based database management system that does not require a table schema description. MongoDB - classified as NoSQL and uses JSON-like documents and a database schema. If all four previous DBMSs are well known to most IT professionals, then few have heard of MongoDB. But she confidently takes the 5th line in almost all ratings. And as a result, in our ranking, she also occupies the 5th position.

How to start mining cryptocurrency from scratch-Как начать майнить криптовалюту с нуля

 



The popularity of mining in 2021 is due to a noticeable increase in the cost of a number of cryptocurrencies. Because of this, the decision to become miners is increasingly chosen by both large investors and ordinary PC users. Today we will tell you how to start mining cryptocurrency.


Beginners who start from scratch should first figure out how to mine cryptocurrency, how to choose a coin, how to mine it, equipment and software. And also - get acquainted with the basic terms for this type of activity:


"blockchain" - a record of all transactions in chronological order;

"hash" - the result of the hash function, presented as a string, providing the connectivity of the blockchain;

"hashrate" - a unit of computing power for a certain cryptocurrency;

"rig" - one unit of equipment intended for mining;

"farm" - a group of rigs combined into one system;

"pool" or "mining pool" - a server that receives a large task and divides it into several small ones, for each member of the group.

Mining itself is a mathematical calculation that confirms transactions. Their result is finding a block for which a reward is issued. And miners are those who mine cryptocurrency, and sometimes programs for obtaining digital assets.