Predprocessing is launching soon ICO / ITO (initial coin offering / initial token offering) of principally new type of secure corporate messanger on blockchain — TELBOOK. The technology of blockchain is used for secure and anonymous callback initiation via blockchain, such that Alice makes a call to Bob without knowing his phone number, but knowing only his nickname. The call is then completed via callback from the secentrilized network of virtual online ATC (automatic telephone exchange). We have already customers who are interested in product, there exists reasonable demand for such products.
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Watch promo video telbook — technical aspects: