NFT Identity Verification for Secure Virtual Environment Traversal

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Solution Overview

Problem

Existing systems lack efficient methods for digital identity detection and verification across virtual environments, particularly when users traverse between them, leading to potential exposure and inefficiencies in access management.

Innovation Solution

A system utilizing non-fungible tokens (NFTs) to record user identities and access privileges, enabling continuous authentication and traversal authorization between virtual environments by leveraging metadata layers and smart contracts on a distributed ledger.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual identity verification methods are used when traversing between virtual environments, then security can be maintained, but system complexity and processing time increase significantly

Engineering Contradiction:
ImprovesecurityVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent creates a digital copy of the user's identity information stored in the NFT (non-fungible token) on the blockchain. This copy contains all necessary authentication data, allowing automated verification without manual intervention. The system retrieves and validates this digital copy during traversal, maintaining security while eliminating complex manual verification processes.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The patent replaces manual mechanical verification processes with automated cryptographic validation. The system uses blockchain-based NFT validation and smart contract execution to automatically verify identity and authorization, substituting human-operated mechanical systems with automated digital validation mechanisms that are both secure and efficient.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If comprehensive identity verification is performed across multiple virtual environments, then unauthorized access is prevented, but computing resources and processing time are consumed

Engineering Contradiction:
Improveaccess controlVSAvoidcomputing resources
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The patent performs identity verification and authorization checks in advance by storing validated identity information and access permissions in the NFT before the user traverses between virtual environments. When traversal is requested, the system simply validates the pre-stored NFT data rather than performing comprehensive verification each time, significantly reducing computing resource consumption while maintaining access control security.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The NFT itself contains all necessary verification data and authorization logic, allowing it to serve as a self-contained authentication credential. The blockchain network and smart contracts automatically validate the NFT without requiring extensive external verification resources, enabling the system to perform comprehensive security checks with minimal additional computing overhead.

Inventive Principle:
Principle #25Self-service

3Ease of operation

If digital identity information is stored centrally, then access management is simplified, but security vulnerabilities and single points of failure increase

Engineering Contradiction:
Improveaccess managementVSAvoidsecurity
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent segments the identity management system into distributed components: the NFT stored on the blockchain contains identity data, while individual virtual environment systems hold only the verification logic. This segmentation eliminates a central storage vulnerability while maintaining simplified access management through standardized NFT validation across all environments.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces the blockchain and NFT as an intermediary layer between the user's identity information and the virtual environment systems. Instead of direct central storage or distributed peer-to-peer verification, the blockchain-mediated NFT serves as a trusted intermediary that simplifies access management while enhancing security through decentralized validation.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Reliability

If real-time identity validation is performed during traversal, then security is enhanced, but processing speed and user experience deteriorate

Engineering Contradiction:
ImprovesecurityVSAvoidtraversal speed
Core Design Contradiction:
ReliabilityVSSpeed

Solution Approach 1:

The patent performs the computationally intensive identity validation and authorization checks in advance, storing the results in the NFT before traversal occurs. During actual traversal, the system only needs to retrieve and validate the pre-computed NFT data, which is a much faster operation. This preliminary action ensures security is enhanced while traversal speed is maintained.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS12556397B2System for digital identity detection and verification when traversing between virtual environments
Publication Date: 2026.02.17 BANK OF AMERICA CORP
  • US12556397B2 patent drawing
  • US12556397B2 patent drawing
  • US12556397B2 patent drawing

AI summary

Systems, computer program products, and methods are described herein for digital identity detection and verification when traversing between virtual environments. The present invention is configured to receive, from a user input device, a request from a user to traverse from a first virtual environment to a second virtual environment using an NFT identifier; retrieve, using an NFT navigation engine, an NFT from a distributed ledger based on at least the NFT identifier; extract, from a metadata layer of the NFT, information associated with the user and transaction conditions associated with traversing from the first virtual environment to the second virtual environment; and authorize, using an access management engine, the user to traverse from the first virtual environment to the second virtual environment based on at least the information associated with the user and the transaction conditions.