Cryptocurrency Wallet Temporary Key Generation for Privacy

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Solution Overview

Problem

Cryptocurrency wallets face security and privacy risks due to inherent transparency in their public and private key schemes, making transactions vulnerable to inference and tracking.

Innovation Solution

Generating a temporary key based on wallet parameters to replace the public key in transactions, combined with adaptive obfuscation techniques such as dynamic routing, variable obfuscation levels, and integration with anonymity networks, to obscure wallet addresses and activities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a public key and private key scheme is used for cryptocurrency wallet transactions, then transaction functionality is enabled, but security and privacy are compromised due to inherent transparency

Engineering Contradiction:
Improvetransaction securityVSAvoidprivacy leakage
Core Design Contradiction:
ReliabilityVSLoss of information

Solution Approach 1:

The patent segments the transaction verification process by introducing multiple intermediate keys between the public key and private key. Instead of a direct public-to-private key verification, the system creates a chain of temporary keys (first intermediate key, second intermediate key, etc.) that break the direct link between public and private keys, thereby preventing inference attacks while maintaining transaction functionality

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces temporary intermediate keys as mediators in the transaction verification process. These intermediate keys serve as a buffer between the public key (visible to others) and the private key (secret), allowing transaction verification without exposing the private key or enabling inference about wallet ownership or activity patterns

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If the wallet uses the public key for transactions, then transaction verification is straightforward, but observers can infer information about the wallet and track transaction activity

Engineering Contradiction:
Improvetransaction verificationVSAvoidinformation inference
Core Design Contradiction:
Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The patent implements dynamic key generation where temporary intermediate keys are created fresh for each transaction or transaction batch. This dynamic approach ensures that each transaction uses a different intermediate key, preventing observers from linking multiple transactions to the same wallet address while maintaining efficient verification through cryptographic proofs

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent changes the cryptographic parameters by introducing multiple intermediate key layers with different security properties. Each intermediate key can be configured with specific security levels and lifetimes, allowing the system to balance verification efficiency with privacy protection by adjusting key generation parameters

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS20240394689A1Secure wallet for storing assets in a multi-chain, multi-party interface
Publication Date: 2024.11.28 COSMIC WIRE
  • US20240394689A1 patent drawing
  • US20240394689A1 patent drawing
  • US20240394689A1 patent drawing

AI summary

Technologies for providing secure cryptocurrency wallet include a system that receives a request from an external party to conduct a cryptocurrency transaction with a user of a cryptocurrency wallet. The cryptocurrency wallet is instantiated using a public key and a private key. A temporary key is generated based on one or more parameters associated with the wallet. The cryptocurrency transaction is conducted using the temporary key in place of the public key.