Ryosuke Abe

Peer-reviewed articles

2026

  • A Verifier-Centric Conceptual Model for Digital Credential Ecosystems

    Shigeya Suzuki, Ryosuke Abe

    IEEE Access.

    DOI BibTeX

2025

  • A Conceptual Model for Claim Validation Based on Cryptographically Signed Data

    Ryosuke Abe, Shigeya Suzuki, Osamu Nakamura

    IEEE Access, 13, pp. 2723-2735.

    DOI BibTeX

  • Shinken: An Adaptive and Transparent Model for Claim Verification

    Ryosuke Abe, Riku Mochizuki, Shigeya Suzuki, Osamu Nakamura

    情報処理学会論文誌, 66(6), pp. 941-952.

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Conference proceedings

2026

  • Accountable Fair Exchange Protocols on Blockchain

    Riku Mochizuki, Ryosuke Abe, Shigeya Suzuki

    2026 IEEE 50th Annual Computers, Software, and Applications Conference (COMPSAC), pp. 968-974.

    DOI BibTeX

  • Auditable Certificate Issuance with Zero-Knowledge Proof of Claim Validation

    Ryosuke Abe, Rintaro Inagaki, Shigeya Suzuki

    2026 IEEE 50th Annual Computers, Software, and Applications Conference (COMPSAC), pp. 2041-2046.

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  • An Architecture of Media Analysis Platform for Analyzing Posts on Social Networking Services from Multiple Perspectives

    Ryosuke Abe, Ryuichi Matsukura, Shigeya Suzuki, Osamu Nakamura

    2026 IEEE 50th Annual Computers, Software, and Applications Conference (COMPSAC), pp. 1463-1470.

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  • Decentralized Autonomous Identity Architecture for Agent-Oriented Data Spaces

    Naohiro Fujie, Shigeya Suzuki, Tatsuya Kurosaka, Ryosuke Abe

    IEEE INFOCOM 2026 - IEEE Conference on Computer Communications, pp. 1-7.

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2025

  • WARASHIBE Protocol: Fair Data-Data Exchange on Blockchain

    Riku Mochizuki, Ryosuke Abe, Shigeya Suzuki

    2025 IEEE International Conference on Blockchain and Cryptocurrency (ICBC), pp. 1-9.

    DOI BibTeX

  • Extended ACME Protocol with Time-Limited VC Tokens for Automated Organization Validation

    Toi Ooka, Taisho Sasada, Ryosuke Abe, Yuzo Taenaka, Youki Kadobayashi, Shigeya Suzuki

    2025 International Conference on Information Networking (ICOIN), pp. 225-230.

    DOI BibTeX

2023

  • Mitigation of Seller and Buyer's Dilemma with Transaction History and Escrow

    Ryosuke Abe, Seiyo Kurita, Mariko Kobayashi, Shigeya Suzuki

    Proceedings of the 18th Asian Internet Engineering Conference, pp. 1-9.

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  • A System for Selective Disclosure of Information about a Patient with Intractable Disease

    Erika Sugita, Ryosuke Abe, Shigeya Suzuki, Keisuke Uehara, Osamu Nakamura

    2023 IEEE 47th Annual Computers, Software, and Applications Conference (COMPSAC), pp. 1482-1487.

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2022

  • Fabchain: Managing Audit-able 3D Print Job over Blockchain

    Ryosuke Abe, Shigeya Suzuki, Kenji Saito, Hiroya Tanaka, Osamu Nakamura, Jun Murai

    2022 IEEE INTERNATIONAL CONFERENCE ON BLOCKCHAIN AND CRYPTOCURRENCY (IEEE ICBC 2022).

    DOI BibTeX

2018

  • Attack Incentive and Security of Exchanging Tokens on Proof-of-Work Blockchain

    Ryosuke Abe, Keita Nakamura, Kentaro Teramoto, Misato Takahashi

    ASIAN INTERNET ENGINEERING CONFERENCE (AINTEC 2018), pp. 32-37.

    DOI BibTeX

  • Mitigating Bitcoin Node Storage Size By DHT

    Ryosuke Abe, Shigeya Suzuki, Jun Murai

    ASIAN INTERNET ENGINEERING CONFERENCE (AINTEC 2018), pp. 17-23.

    DOI BibTeX

  • Storage Protocol for Securing Blockchain Transparency

    Ryosuke Abe, Hiroki Watanabe, Shigenori Ohashi, Shigeru Fujimura, Atsushi Nakadaira

    2018 IEEE 42ND ANNUAL COMPUTER SOFTWARE AND APPLICATIONS CONFERENCE (COMPSAC 2018), VOL 2, pp. 577-581.

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Book chapters

2024

  • Web3の未解決問題

    松尾 真一郎, 崎村 夏彦, 楠 正憲, 阿部 涼介, 小泉 遼平, 掛林 美智, 北條 真史, 鳩貝 淳一郎, 清水 一平, 栗田 青陽

    『Web3の未解決問題』日経BP, 分担執筆：第1章 1-1「NFT（非代替性トークン）本当にデジタル権利の表明に使えるのか」、ISBN 9784296204465.

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Articles and commentary

2026

  • 学修歴デジタルクレデンシャルの現状と課題

    富士榮 尚寛, 阿部 涼介, 鈴木 茂哉

    情報処理, 招待論文、特集「ITと教育─マイクロクレデンシャルが変える社会」、67(5), pp. d38-d60.

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2024

  • Current status of Decentralized Identifiers and Verifiable Credentials

    SUZUKI Shigeya, YASUDA Kristina, FUJIE Naohiro, ABE Ryosuke

    IEICE ESS Fundamentals Review, 18(1), pp. 42-55.

    DOI PDF BibTeX

Domestic workshops and symposia (Japan)

2025

  • デジタル証明書における当人認証に用いる鍵を交換可能な識別子と鍵の管理スキーム

    曽我悠真, 阿部涼介, 鈴木茂哉

    マルチメディア，分散協調とモバイルシンポジウム2025論文集, pp. 1243-1251.

    BibTeX

  • 投稿者の専門性と所属コミュニティを考慮したWeb投稿真偽判断のための信頼モデルと根拠収集方式

    宮本亮, 角田忠信, 阿部涼介, 松倉隆一, 佐藤出, 鈴木茂哉, 中村修

    マルチメディア，分散協調とモバイルシンポジウム2025論文集, pp. 1237-1242.

    BibTeX

2023

  • Proposal of Trustable Internet Architecture for Confirming Credibility of Data on Internet

    Yoshitomo Sakuma, Mebae Ushida, Kota Miyake, Takuya Sakamoto, Ryosuke Abe, Shigeya Suzuki, Osamu Nakamura

    研究報告コンシューマ・デバイス＆システム（CDS）, 2023-CDS-36(1), pp. 1-8.

    BibTeX

  • Interoperability of Decentralized Identity Platform by Identity Conversion Gateway

    Takuya Sakamoto, Mebae Ushida, Takeru Fukuoka, Ryousuke Abe, Shigeya Suzuki

    研究報告グループウェアとネットワークサービス（GN）, 2023-GN-118(2), pp. 1-8.

    BibTeX

2020

  • Formalize and Measurement Duration for Operating an Application Based on Ethereum

    阿部涼介, 鈴木茂哉

    研究報告マルチメディア通信と分散処理（DPS）, 2020-DPS-185(11), pp. 1-8.

    BibTeX

2017

  • パーソナルファブリケーション時代におけるBlockchainを用いた製造情報保存システム

    阿部 涼介, 斉藤 賢爾, 村井 純

    マルチメディア，分散協調とモバイルシンポジウム2017論文集, pp. 1045-1054.

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Theses

2025

  • Claim Validation based on Trust in Information Systems

    Ryosuke Abe

    Keio University, Graduate School of Media and Governance, 博士論文（政策・メディア）.

    BibTeX

2019

  • Blockchain Storage Load Balancing Among DHT Clustered Nodes

    Ryosuke Abe

    Keio University, Graduate School of Media and Governance, 修士論文.

    Preprint BibTeX