FIELD: physics.
SUBSTANCE: invention relates to information technology, in particular to a method of depositing information. Method of depositing information includes storing the deposited file by the user in an unchangeable format, authorizing the user on the operator's server, loading the deposited file into a web browser, on which there is a crypto-encryption program, wherein the operator software product is forced to open the crypto-encryption program, which is publicly available on the web browser, and the deposited file is loaded into the web browser using the operator program without the operator opening the deposited file, the deposited file is encoded using the encryption program, the obtained alphanumeric code is transmitted to the operator's server, transmission of the received alphanumeric code of the deposited file to the blockchain platform, which is open and decentralized, sending to the operator server information on the date and time of entering the code of the deposited file on the blockchain platform, creation of a certificate file with the help of an operator program indicating the alphanumeric code of the deposited file, the time and date of its entry on the blockchain platform and the author.
EFFECT: high degree of protection of confidentiality of deposited information.
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