Blockchain Bookkeeping Optimization Scheme Based on Threshold Ring Signature

Abstract

According to the characteristics of blockchain data concurrent processing, the threshold ring signature algorithm is improved by combining ring signature and threshold signature scheme. Threshold is set to dynamically adjust the number of threshold ring signature nodes, and threshold ring signature process is designed. By modifying the block data structure of Dag, the concept of redundant transaction is proposed and its formal definition is given. According to the type of redundant transaction, the transaction optimization processing method is given, the group verification is realized by Threshold Ring Signature, and the DAG bookkeeping optimization scheme based on threshold ring signature is given, signature security, transaction deletion security and chain security are analyzed. Finally, a simulation experiment was conducted through the concurrent execution of the block data construction program and the optimization program, and the results show that the optimization scheme basically does not affect the execution time of the program and the storage efficiency is significantly improved.