A Security Analysis of Blockchain-Based Did Services. - Bong Gon Kim; Young-Seob Cho; Seok-Hyun Kim; Hyoungshick Kim; Simon S. Woo (IEEE Access, 2021)

Smart Contract-based Secure Verifiable Random Function using ChaCha20 Sequence in Blockchain. - Bong Gon Kim; Dennis Wong (ICBCT, 2023)

DID-based Distributed Verifiable Random Function with Successor Rule-based de Bruijn Sequence in Blockchain. - Bong Gon Kim; Dennis Wong (ICBTA, 2023)

Private and Secure Post-Quantum Verifiable Random Function with NIZK Proof and Ring-LWE Encryption in Blockchain. - Bong Gon Kim; Dennis Wong; Yoon Seok Yang (CoRR, 2023)

Quantum-Secure Hybrid Blockchain System for DID-based Verifiable Random Function with NTRU Linkable Ring Signature. - Bong Gon Kim; Dennis Wong; Yoon Seok Yang (CoRR, 2024)