US Patent 12120106 Crypto exchange friending

An indication of a first selection of one or more authentication code elements from a first authentication code elements is received from a first user device corresponding to a first user account associated with a collaboration platform. An indication of a second selection of one or more authentication code elements from a second authentication code elements is received from a second user device corresponding to a second user account associated with the collaboration platform. A determination is made that the first selection of authentication code elements matches the second selection of authentication code elements. Responsive to determining that the first selection of authentication code elements matches the second selection of authentication code elements, a trusted relationship between the first user account and the second user account is established via the collaboration platform.