SYSTEM FOR A DATA SHARING PLATFORM IN A BLOCK CHAIN BASED DISTRIBUTED DATA SHARING ENVIRONMENT METHOD FOR SEARCHING DATA INDEX IN THE SYSTEM AND METHOD FOR PROVIDING SEARTCH INDEX IN THE SYSTEM

摘要

A method of providing a search index based on a bloom filter in a distributed data sharing environment based on a block chain according to the present invention is, by applying a hash function to a keyword set for searching for data to be shared by a data generating device. Generating bloom filters used as the search index based on the calculated hash value; The block mining server generates a new block based on the data received from the data generating device and the bloom filters, and to add the new block to the blockchain, Proof of Work for the new block. ) Performing; And distributing, by a data distribution server, block chain data configured to include the new block added to the block chain.