Blockchain Escrow Wallet Key Management
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Solution Overview
Problem
Current escrow systems for cryptocurrency transactions are expensive, complex, and lack a secure mechanism for ensuring the reliable transfer and release of funds, particularly in blockchain transactions where there is no recourse for accidental transfers or non-compliant parties.
Innovation Solution
A secure cryptocurrency transfer system utilizing a wallet generated with a public and private key pair, where the private key is encrypted and shared between transaction parties, with a copy stored in offline storage accessible only in case of a dispute, ensuring controlled and secure data transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional escrow services are used for cryptocurrency transactions, then transaction security and reliability are improved, but transaction costs and system complexity increase significantly
Solution Approach 1:
The system enables parties to perform escrow functions themselves through cryptographic key management. Each party generates their own key pairs and manages their own encrypted private keys, eliminating the need for complex third-party escrow infrastructure while maintaining security through mathematical cryptography rather than organizational complexity
Solution Approach 2:
The patent replaces the mechanical/organizational escrow system (third-party services, identity verification, fund holding) with a cryptographic system based on mathematical principles. Security is achieved through cryptographic key pairs and encryption rather than through complex service frameworks, identity verification processes, or intermediary organizations
2Productivity
If cryptocurrency funds are transferred directly to a wallet, then transaction speed and simplicity are improved, but the ability to reclaim funds in case of non-compliance is lost
Solution Approach 1:
The system performs preliminary encryption of the private key before the transaction occurs. The sender encrypts their private key with the receiver's public key and sends the encrypted version, creating a built-in protection mechanism that allows fund recovery if the receiver fails to comply, without slowing down the actual cryptocurrency transfer which happens immediately on the blockchain
Solution Approach 2:
The encrypted private key acts as a cryptographic intermediary that mediates between the sender's need for speed and the receiver's obligation to comply. If the receiver fails to fulfill their obligations, the sender can use the encrypted private key to recover funds, providing a safety mechanism that doesn't interfere with normal fast transactions
3Reliability
If encrypted private keys are shared between parties, then transaction control and security are improved, but the risk of key compromise and unauthorized access increases
Solution Approach 1:
The system applies different cryptographic properties to different parts of the key management process. The private key is encrypted with the receiver's public key, creating locally adapted security where each party has controlled access to specific cryptographic materials without exposing their full private keys, thereby maintaining transaction control while minimizing compromise risk
Solution Approach 2:
The patent moves the security problem from the traditional dimension of key sharing to a higher dimensional cryptographic space. Instead of sharing private keys directly (one-dimensional risk), the system uses public key encryption to create a multi-dimensional security structure where keys are transformed and protected through cryptographic functions, adding layers of security that reduce compromise risk
Data Source
AI summary
A secure transfer system where a wallet is generated utilising a public and private key pair; whereby the private key of the key pair is encrypted; whereby the public key of the key pair and the encryption key for the private key are given to a party to a transaction; and the other party receives the encrypted private key and the public key of the transfer wallet; where a copy of the encrypted private key, the public key and the encryption key used to encrypt the private key are placed in storage. Also described is a multi sig implementation.