to know which account the transaction is from through the public key, helping the management and tracing back of transaction and regulation. Rules The rules of permission control include: 1. the minimum designed to meet the needs of audit and internal control, responsibility confirmation and event tracing of blockchain system. It should be combined with effective techniques to do accurate audit management

to know which account the transaction is from through the public key, helping the management and tracing back of transaction and regulation. Rules The rules of permission control include: 1. the minimum designed to meet the needs of audit and internal control, responsibility confirmation and event tracing of blockchain system. It should be combined with effective techniques to do accurate audit management

to know which account the transaction is from through the public key, helping the management and tracing back of transaction and regulation. Rules The rules of permission control include: 1. the minimum designed to meet the needs of audit and internal control, responsibility confirmation and event tracing of blockchain system. It should be combined with effective techniques to do accurate audit management

to know which account the transaction is from through the public key, helping the management and tracing back of transaction and regulation. Rules The rules of permission control include: 1. the minimum designed to meet the needs of audit and internal control, responsibility confirmation and event tracing of blockchain system. It should be combined with effective techniques to do accurate audit management

to know which account the transaction is from through the public key, helping the management and tracing back of transaction and regulation. Rules The rules of permission control include: 1. the minimum designed to meet the needs of audit and internal control, responsibility confirmation and event tracing of blockchain system. It should be combined with effective techniques to do accurate audit management

to know which account the transaction is from through the public key, helping the management and tracing back of transaction and regulation. Rules The rules of permission control include: 1. the minimum designed to meet the needs of audit and internal control, responsibility confirmation and event tracing of blockchain system. It should be combined with effective techniques to do accurate audit management

to know which account the transaction is from through the public key, helping the management and tracing back of transaction and regulation. Rules The rules of permission control include: 1. the minimum designed to meet the needs of audit and internal control, responsibility confirmation and event tracing of blockchain system. It should be combined with effective techniques to do accurate audit management

to know which account the transaction is from through the public key, helping the management and tracing back of transaction and regulation. Rules The rules of permission control include: 1. the minimum designed to meet the needs of audit and internal control, responsibility confirmation and event tracing of blockchain system. It should be combined with effective techniques to do accurate audit management

to know which account the transaction is from through the public key, helping the management and tracing back of transaction and regulation. Rules The rules of permission control include: 1. the minimum designed to meet the needs of audit and internal control, responsibility confirmation and event tracing of blockchain system. It should be combined with effective techniques to do accurate audit management

to know which account the transaction is from through the public key, helping the management and tracing back of transaction and regulation. Rules The rules of permission control include: 1. the minimum designed to meet the needs of audit and internal control, responsibility confirmation and event tracing of blockchain system. It should be combined with effective techniques to do accurate audit management