About blockchain technology

This article is about Blockchain technology, which plays a key role in ensuring the security of financial transactions. The purpose of this work is to systematize knowledge about blockchain technology, identify problems and shortcomings. The blockchain allows transactions to be carried out directly between participants without intermediaries, which eliminates the possibility of manipulation and falsification of data, which makes it impossible to change the history of transactions. BT can find practical application in many applied fields. Thanks to it, financial transactions become safer, more efficient and more transparent for all market participants.