Blockchain Caller Identity Verification for Robocall Origin Detection
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Solution Overview
Problem
The challenge of identifying the origin of robocalls is difficult due to their propagation through complex carrier networks, making it hard to enforce regulations effectively.
Innovation Solution
A blockchain-based system that maintains immutable records of telephone number attributes and caller identities, allowing telecommunication systems to verify calls by correlating unique identifiers with caller information, enabling accurate authorization or blocking of calls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional carrier networks are used for telephone call propagation, then call routing flexibility is maintained, but call origin identification becomes difficult
Solution Approach 1:
The patent introduces a blockchain as an intermediary system that mediates between telephone carriers and call verification. The blockchain maintains a distributed ledger of telephone number ownership and call history, allowing any carrier to query and verify call origins without disrupting the traditional flexible routing architecture. This intermediary layer provides transparency and traceability while preserving routing flexibility.
Solution Approach 2:
The patent adds a new dimension of verification by implementing blockchain technology alongside traditional carrier networks. Instead of modifying the existing network architecture, it creates a parallel verification dimension where call data is recorded and verified on the blockchain, enabling origin identification without affecting the operational flexibility of traditional call routing.
2Reliability
If carrier networks propagate calls through multiple nodes, then call delivery reliability is improved, but regulatory enforcement becomes difficult
Solution Approach 1:
The blockchain system provides continuous feedback about call origins and routing paths to regulatory bodies and carriers. By recording call data immutably and providing real-time verification capabilities, the system enables regulators to trace call origins and enforce regulations more effectively, reducing the complexity of enforcement despite the multi-node network architecture.
3Ease of operation
If a centralized database is used to track telephone numbers, then call verification is simplified, but system security and trust are reduced
Solution Approach 1:
The patent segments the centralized database into a distributed blockchain ledger across multiple nodes. Each node maintains a copy of the telephone number ownership and call history data, eliminating single points of failure and enhancing security. The segmentation allows any node to verify calls while maintaining system trust through cryptographic hashing and consensus mechanisms.
Solution Approach 2:
The system changes the fundamental parameter of data storage from centralized to distributed. By implementing blockchain technology, the patent transforms how verification data is stored and accessed, providing both simplicity in operation through automated verification and enhanced security through distributed consensus and cryptographic protection.
Data Source
AI summary
Telephone calls can be validated using blockchains. In one example, a computing node can generate a distributed ledger indicating relationships between telephone numbers and unique identifiers assigned to the telephone numbers. The distributed ledger can be accessible to a telecommunication system for validating telephone calls.