blockchain
Now the word "block" is primarily the main tool of marketers. Naturally, not every project needs a blockade. Yes, this is an excellent solution for contracting, maintaining state databases - with proper use reduces costs up to 100 or more times.
On the other hand, you should keep in mind that you can create fast and secure services without the use of blocking software, the cost of monthly support is tens of times lower. Salaries in the blockroom are now indecently high, and if you can afford 3-5 high-quality Senior specialists for 12,000 dollars a month, then in the detachment you can hire only one for the same money.