Research
The center’s research mission is focused on technical aspects of cryptocurrencies and blockchains. We work on research topics that support the thriving ecosystem of projects.
Research Results
2023
International Conference
Chaehyeon Lee, Changhoon Kang, Heeju Ko, Jongsoo Woo, and James Won-Ki Hong, “A Comprehensive and Quantitative Evaluation Method for Blockchain Protocols”, IEEE International Conference on Blockchain and Cryptocurrency (ICBC 2023), Dubai, United Arab Emirates, 1-5 May 2023 (Accepted to appear)
Changhoon Kang, Jongsoo Woo, and James Won-Ki Hong, “Bitcoin Double-Spending Attack Detection using Graph Neural Network “, IEEE International Conference on Blockchain and Cryptocurrency (ICBC 2023), Dubai, United Arab Emirates, 1-5 May 2023 (Accepted to appear)
Jeongheon Kim, Minji Choi, Jongsoo Woo, and James Won-Ki Hong, “Service Applicable Blockchain-based Self-Sovereign Identity Management System”, IEEE International Conference on Blockchain and Cryptocurrency (ICBC 2023), Dubai, United Arab Emirates, 1-5 May 2023 (Accepted to appear)
Kyungchan Ko, Taeyeol Jeong, Jongsoo Woo, and James Won-Ki Hong, “Alleviating Crypto Gas War in NFT Launching”, IEEE International Conference on Blockchain and Cryptocurrency (ICBC 2023), Dubai, United Arab Emirates, 1-5 May 2023 (Accepted to appear)
Wonseok Choi, Jongsoo Woo, and James Won-Ki Hong, “Gas Cost Analysis of Fractional NFT on the Ethereum Blockchain”, 1ST IEEE INTERNATIONAL WORKSHOP ON CRYPTOCURRENCY EXCHANGES (CRYPTOEX 2023), Co-located with IEEE Int’l Conference on Blockchain and Cryptocurrency (ICBC 2023), Dubai, May 5, 2023 (Accepted to appear)
2022
International Conference
Chaehyeon Lee, Changhoon Kang, Wonseok Choi, Jehoon Lee, Myunghun Cha, Jongsoo Woo, and James Won-Ki Hong, “CODE: Blockchain-based Travel Rule Compliance System”, The 5th IEEE International Conference on Blockchain (Blockchain 2022), Espoo, Finland,Aug 22-25, 2022.
Chaehyeon Lee, Changhoon Kang, Wonseok Choi, Jehoon Lee, Myunghun Cha, Jongsoo Woo, and James Won-Ki Hong, “Design of Blockchain-based Travel Rule Compliance System”, IEEE International Conference on Blockchain and Cryptocurrency (ICBC 2022), Shanghai, China, May. 2-5, 2022.
Guntur Dharma Putra, Changhoon Kang, Salil S. Kanhere, and James Won-Ki Hong, “DeTRM: Decentralised Trust and Reputation Management for Blockchain-based Supply Chains”, IEEE International Conference on Blockchain and Cryptocurrency (ICBC 2022), Shanghai, China, May. 2-5, 2022.
Domestic Conference
이채현, 우종수, 홍원기, “가상자산 시장의 AMM (Automated Market Maker) 서비스 요구사항 및 동향 분석”, KNOM Conference 2022, Chuncheon, Korea, May 12-13, 2022.
김정헌, 우종수, 홍원기, “다중서명과 다자간 계산을 이용한 디지털 자산 커스터디 서비스 설계”, KNOM Conference 2022, Chuncheon, Korea, May 12-13, 2022.)
최원석, 우종수, 홍원기, “대체 불가능 토큰 (NFT) 거래 특화 블록체인 시스템 분석”, KNOM Conference 2022, Chuncheon, Korea, May 12-13, 2022.
강창훈, 최원석, 이채현, 우종수, 홍원기, “분산아이디 (DID)를 활용한 트래블룰 준수 개인 암호화폐 지갑 설계”, KNOM Conference 2022, Chuncheon, Korea, May 12-13, 2022.
고경찬, 유상우, 홍원기, “블록체인 기반 대체 불가능 토큰의 메타데이터 연구”, KNOM Conference 2022, Chuncheon, Korea, May 12-13, 2022.
고경찬, 유상우, 김호정, 홍원기, “대체 불가능 토큰을 활용한 메타버스 미디어 서비스 플랫폼 디자인 “, KNOM Conference 2022, Chuncheon, Korea, May 12-13, 2022.
2021
International Conference
Wonseok Choi, James Won-Ki Hong, “Performance Evaluation of Ethereum Private and Testnet Networks Using Hyperledger Caliper”, The 22nd Asia-Pacific Network Operations and Management Symposium (APNOMS 2021), Tainan, Taiwan, Sep. 8-10, 2021.
Jungsu Han, Jeongheon Kim, Jongsoo Woo, James Won-Ki Hong, “Cos-CBDC: Design and Implementation of CBDC on Cosmos Blockchain”, The 22nd Asia-Pacific Network Operations and Management Symposium (APNOMS 2021), Tainan, Taiwan, Sep. 8-10, 2021.
Domestic Conference
한정수, 김정헌, 윤아람, 이진희, 전윤서, 우종수, 홍원기, “블록체인 기반 CDBC 시스템 설계”, 2021 한국통신학회 추계종합학술발표회, Yeosu, Kore한정수, 김정헌, 허강욱, 전윤서, 우종수, 홍원기, “블록체인 기반 CBDC 아키텍처 및 트랜잭션 키 관리 시스템 설계”, KNOM Conference 2021, On-line KNOM Conference Venue, Korea, April 30, 2021, pp. 65-68.
최원석, 강창훈, 홍원기, “Gossip 기반 P2P 라우팅을 통한 블록체인 성능 개선 연구”, KNOM Conference 2021, On-line KNOM Conference Venue, Korea, April 30, 2021, pp. 80-83.
이채현, 고경찬, 우종수, 홍원기, “Opcode 디스어셈블러와 기계 학습 기반의 트랜잭션 패턴 분석을 이용한 이더리움 스캠 컨트랙트 및 악성 유저 탐지 시스템 설게”, KNOM Conference 2021, On-line KNOM Conference Venue, Korea, April 30, 2021, pp. 97-100.
강창훈, 최원석, 우종수, 홍원기, “사물인터넷(IoT)에서의 블록체인 활용 관련 연구동향 분석”, KNOM Conference 2021, On-line KNOM Conference Venue, Korea, April 30, 2021, pp. 112-115.
Domestic Journal
한정수, 김정헌, 우종수, 홍원기, “블록체인 기반 CBDC 시스템 설계”, KNOM Review vol. 24, No. 2, December 2021.
Domestic Patent
이채현, 홍원기, “비트코인 불법거래 탐지 장치 및 방법”, 포항공과대학교 산학협력단, Jen. 12, 2021
2020
International Conference
Wonseok Choi, James Won-Ki Hong, “A Survey of Proof-of-Stake Consensus Algorithms”, The 21st Asia-Pacific Network Operations and Management Symposium (APNOMS 2020), Daegu, Korea, Sep. 23-25, 2020
KyungChan Ko, Changhoon Kang, Youngbok Park, Jongsoo Woo, James Won-Ki Hong, “Towards Blockchain-based Stainless Steel Tracking”, The 21st Asia-Pacific Network Operations and Management Symposium (APNOMS 2020), Daegu, Korea, Sep. 23-25, 2020
Jungsu Han, Jongsoo Woo, James Won-Ki Hong, “Oversampling Techniques for Detecting Bitcoin Illegal Transaction”, The 21st Asia-Pacific Network Operations and Management Symposium (APNOMS 2020), Daegu, Korea, Sep. 23-25, 2020
Chaehyeon Lee, Sajan Maharjan, Kyungchan Ko, Jongsoo Woo, James Won-Ki Hong, “Machine Learning based Bitcoin Address Classification”, 2020 International Conference on Blockchain and Trustworthy Systems (BlockSys’2020), Dari, China, Aug. 6-7, 2020.
Changhoon Kang, Chaehyeon Lee, Kyungchan Ko, Jongsoo Woo, James Won-Ki Hong, “De-Anonymization of the Bitcoin Network Using Address Clustering”, 2020 International Conference on Blockchain and Trustworthy Systems (BlockSys’2020), Dari, China, Aug. 6-7, 2020.
Domestic Conference
고경찬, 이채현, 우종수, 홍원기, “다음 블록에 포함되는 비트코인 트랜잭션 예측 연구”, KNOM Conference 2020, On-line KNOM Conference Venue, Korea, May 15, 2020, pp. 17-21.
이채현, 고경찬, 우종수, 홍원기, “머신 러닝 기반의 비트코인 주소 분류 기법”, KNOM Conference 2020, On-line KNOM Conference Venue, Korea, May 15, 2020, pp. 35-38.
최원석, 우종수, 홍원기, “지분 증명 합의 알고리즘의 발전에 관한 연구”, KNOM Conference 2020, On-line KNOM Conference Venue, Korea, May 15, 2020, pp. 43-46.
Sajan Maharjan, 고경찬, 강창훈, 우종수, 홍원기, “A Study of CBDC Model Applicable for the Current Banking Environment”, KNOM Conference 2020, On-line KNOM Conference Venue, Korea, May 15, 2020, pp. 56-60.
강창훈, 고경찬, 우종수, 홍원기, “스테이블 코인(stable coin)의 종류와 특징 분석”, KNOM Conference 2020, On-line KNOM Conference Venue, Korea, May 15, 2020, pp. 80-83.
한정수, 이채현, 고경찬, 우종수, 홍원기, “GAN 을 활용한 비트코인 불법거래 과표본 추출 기법”, KNOM Conference 2020, On-line KNOM Conference Venue, Korea, May 15, 2020, pp. 88-91.
2019
International Conference
Kyungchan Ko, Chaehyeon Lee, James Won-Ki Hong, Sajan Maharjan and Taeyeol Jeong, “Prediction of Bitcoin Transactions Included in the Next Block”, 2019 International Conference on Blockchain and Trustworthy Systems (BlockSys’2019), Guangzhou, China, Dec. 7-8, 2019.
Chaehyeon Lee, Sajan Maharjan, Kyungchan Ko and James Won-Ki Hong, “Toward Detecting Illegal Transactions on Bitcoin using Machine-Learning Methods”, 2019 International Conference on Blockchain and Trustworthy Systems (BlockSys’2019), Guangzhou, China, Dec. 7-8, 2019.
Chaehyeon Lee, Heegon Kim, Sajan Maharjan, Kyungchan Ko and James Won-Ki Hong, “Blockchain Explorer based on RPC-based Monitoring System”, IEEE International Conference on Blockchain and Cryptocurrency (ICBC 2019), Seoul, Korea, May. 16, 2019.
Domestic Conference
고경찬, 이채현, 홍원기, “비트코인 노드 메모리 풀 유사도 분석”, KNOM Conference 2019, Daegu, Korea, May. 30, 2019, pp. 16-18.
이채현, Sajan Maharjan, 고경찬, 홍원기, “비트코인 네트워크의 불법거래 탐지 연구”, KNOM Conference 2019, Daegu, Korea, May. 31, 2019, pp. 99-101.
Domestic Patent
강창훈, 홍원기, “합의 알고리즘 성능 검증을 위한 블록체인 네트워크 시뮬레이션 방법”, 포항공과대학교 산학협력단, Nov. 20, 2019
2018
International Conference
Kyungchan Ko, Chaehyeon Lee, Taeyeol Jeong and James Won-Ki Hong, “Design of RPC-based Blockchain Monitoring Agent”, The 9th International Conference on Information and Communication Technology Convergence (ICTC 2018), Jeju, Korea, Oct. 17-19, 2018.
Domestic Conference
고경찬, 이채현, 홍원기, “이더리움 컨트랙트 모니터링 및 분석시스템”, KNOM Workshop 2018, Seoul, Korea, Nov. 30, 2018, pp. 4-5.
고경찬, 정태열, 유재형, 홍원기, “블록체인 네트워크 모니터링 및 분석시스템”, KNOM Conference 2018, Jeju, Korea, May 10-11, 2018, pp. 19-20.