Research on Oracle Technology Based on Multi-Threshold Aggregate Signature Algorithm and Enhanced Trustworthy Oracle...

Area of Science:

• Blockchain technology
• Cryptography
• Internet of Things (IoT)

Background:

• Ensuring agricultural product traceability and quality in IoT is challenging.
• Existing solutions lack adaptive security and robust oracle reputation mechanisms.

Purpose of the Study:

• To develop a novel blockchain oracle solution with an enhanced MTAS signature algorithm.
• To improve IoT sensor data security, verifiability, and efficiency.

Main Methods:

• Integration of an enhanced MTAS signature algorithm based on Schnorr signatures.
• Utilizing blockchain block height as a blinding parameter for enhanced security.
• Implementation of a smart contract-based oracle reputation mechanism.

Main Results:

• Demonstrated strengthened signature verifiability and security through adaptive thresholds and block height integration.
• Showcased enhanced on-chain efficiency and security in IoT sensor data transmission.
• Validated the effectiveness of the oracle reputation mechanism in monitoring node performance.

Conclusions:

• The proposed blockchain oracle solution offers significant advancements for secure and efficient IoT sensor data transmission.
• The adaptive signature algorithm and reputation mechanism address key challenges in IoT data security and traceability.