Secure and confidential custodial transaction system, method and device using zero-knowledge protocol

A system, device and method of confidential secure custodial transfers of asset between entities utilizing transaction agents implemented via a distributed ledger (e.g a blockchain). In particular, the transaction agents securely record each of the transactions on the ledger utilizing obfuscated or proxy data state such that information about the transactions cannot be gleaned from the ledger. Inparticular, the transaction agents are able to enforce business rules of the system by requesting zero-knowledge proofs from participants to the transaction (e.g. sender and recipient) in place of actual data for the transaction. The zero-knowledge proofs are able to be designed to prevent an observer of the distributed ledger from determining any information of the transaction that is taking place. 一种系统、设备和方法利用经由分布式账本(例如，区块链)而实现的交易代理来在实体之间对资产进行机密的安全保管转让。特别地，交易代理利用混淆数据状态或者代理数据状态来安全地将每次交易记录在账本上，使得有关所述交易的信息无法从账本被收集。特别地，交易代理能够通过向交易的参与者(例如，发送方和接收方)请求零知识证明而不是针对交易的实际数据来实施系统的商业规则。零知识证明能够被设计为防止分布式账本的观察者确定正在发生的交易的任何信息。