MAC ( Multiple Atomic Chain) is a underlying public chain using multi-chain consensus, multi-chain parallel, multiple hybrid consensus and cross-chain atomic operation to construct the cross-chain asset circulation highway.MAC is the only company in the country to obtain the ministry's National Super Computing Jinan center and China Financial Certification Center Authority test and has received authority to detect the underlying technical report public chain.The evaluation report of the Chinese financial certification center shows: MAC (Multiple Atomic Chain) is a real domestic controlled block chain underlying technology system, indicators meet the technical requirements of the underlying block chain, evaluation data is real and effective.