This API is a first prototype of Hashed Data and Criteria Comparison Service (HDCCS).
API provides safe document ranking based on comparison of human non-readable data and criteria.
HDCCS may be used in many areas where parties (individuals and/or organisations) do not want to disclose too much information to othe party and mediator.
For example, anonymous surveys, online product/service/job catalogs & aggregators, etc.
But highest demand of HDCCS we can see in Dating industry (online dating services, matchmaking agencies, speed dating, etc. )