Online interview method and system

The invention provides an online interview method and system, and relates to the Internet technology, a first group of nodes and a second group of nodes both comprising Y nodes are randomly generated from X nodes, and an intersection of the first group of nodes and the second group of nodes is obtained as a packaging node; receiving interview data of the plurality of cameras based on the packaging node, wherein the interview data at least comprises examinee video data, question data and PC desktop screen recording data; packaging the interview data according to a packaging node to form a current block, correspondingly decoding a decryption private key of the current block, and carrying out link storage on the current block; and in response to a query request of an interview end, sending the decryption private key to the interview end. The interview data of each end is stored through the block chain, and the data is prevented from being tampered by using the characteristics of the block chain, so that the safe