Scientific and technological services; development of data bases; data encryption and decryption service; scientific and technological research related to computer software related to distributed ledgers; blockchain-related software as a service; provision of information on blockchain-related computer software; hosting and providing online blockchain-based platforms; hosting and providing online blockchain creation and management platforms; blockchain-based software development services; scientific and technological research in the field of blockchain-related computer programs; software as a service; platform as a service [paas]; software design and development; hosting platforms on the internet for providing online content; development and maintenance of web sites; constructing an internet platform for electronic commerce; providing computer software platform for creating and managing electronic money; scientific and technological research on computer programs (software) for electronic money; technological advisory services relating to computers; hosting and providing online computer software platforms for token generation and management