Dynamic Cryptocurrency Aliasing for Privacy Protection
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Solution Overview
Problem
Cryptocurrency transactions lack privacy as wallet applications reveal users' balances and addresses, making them vulnerable to unauthorized access and fraud.
Innovation Solution
A system that assigns temporary aliases to cryptocurrency addresses, which are valid for a predetermined time or number of transactions, allowing users to conduct transactions without exposing their actual addresses, thereby maintaining anonymity and security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wallet applications are used to conduct cryptocurrency transactions, then convenience of transactions is improved, but user privacy and security are worsened due to exposure of balances and addresses
Solution Approach 1:
The patent introduces temporary aliases as intermediary identifiers that mask the user's actual cryptocurrency address. These aliases act as a mediator between the user's real address and the transaction counterparty, allowing convenient transactions while preventing direct exposure of the user's true address and balance information. The aliasing system enables users to conduct transactions through a protective layer that maintains privacy.
Solution Approach 2:
The patent creates temporary alias copies of the user's cryptocurrency address. Instead of using the real address directly, the system generates and uses alias copies for transactions. These copies function as substitutes that preserve the functionality of the original address while eliminating the privacy risks associated with direct address exposure.
2Object-affected harmful factors
If temporary aliases are assigned to cryptocurrency addresses, then user privacy is improved, but system complexity is worsened due to alias management infrastructure
Solution Approach 1:
The aliasing system is designed to be self-managing through automated generation, assignment, and rotation of temporary aliases. The system automatically handles the complexity of alias management without requiring manual intervention, generating aliases on-demand and rotating them based on transaction needs. This automation reduces the perceived complexity for users while maintaining robust privacy protection.
Solution Approach 2:
The patent dynamically changes the identifier parameter used in transactions by switching between different temporary aliases. Instead of using a static cryptocurrency address, the system varies the identifier parameter for each transaction or time period, which simplifies the privacy protection mechanism while effectively preventing address exposure and balance analysis.
3Reliability
If temporary aliases with expiration conditions are used, then security is improved by limiting exposure time, but transaction efficiency is worsened due to alias rotation overhead
Solution Approach 1:
The system performs preliminary actions by pre-generating pools of temporary aliases and establishing expiration conditions in advance. This preparation work is done before transactions occur, allowing the system to quickly assign aliases without real-time computational overhead. The preliminary setup of alias pools and rotation schedules maintains security through expiration while minimizing impact on transaction efficiency.
Solution Approach 2:
The alias system implements dynamic rotation based on expiration conditions, automatically transitioning from one temporary alias to another. This dynamic behavior adjusts the identifier lifecycle based on predefined time or transaction thresholds, maintaining security through limited exposure windows while streamlining the rotation process to minimize transaction overhead through automated management.
Data Source
AI summary
Described herein is a system in which temporary aliases may be associated with, and maintained with respect to, cryptocurrency addresses. In some embodiments, the system enables a temporary alias to be used by a mobile application (e.g., a wallet application) in a cryptocurrency transaction. In some embodiments, temporary aliases may be assigned from a pool of procedurally-generated aliases. In some embodiments, the temporary alias may be valid for a predetermined amount of time or number of transactions. For example, the system may assign a new temporary alias to a cryptocurrency address for each transaction and/or after a predetermined amount of time has elapsed.