"Pengfei Wang,Xiangyu Su,Maxim Jourenko,Zixian Jiang,Mario Larangeira,Keisuke Tanaka","Environmental Adaptive Privacy Preserving Contact Tracing System: A Construction From Public Key Rerandomizable BLS Signatures.",,"IEEE Access",,"Vol. 10",," 37181 - 37199",2022,Apr. "Pengfei Wang,Xiangyu Su,Maxim Jourenko,Zixian Jiang,Mario Larangeira,Keisuke Tanaka","Environmental Adaptive Privacy Preserving Contact Tracing System for Respiratory Infectious Diseases","CSS 2021:International Symposium on Cyberspace Safety and Security","Cyberspace Safety and Security",,,," 131-144",2022,Jan. "Xiangyu Su,Mario Larangeira,Keisuke Tanaka","How to Prove Work: With Time or Memory.",,"IEEE Access",,"Vol. 10",," 1192 - 1201",2021,Dec. "Carlo Brunetta,Mario Larangeira,Bei Liang,Aikaterini Mitrokotsa,Keisuke Tanaka","Turn-Based Communication Channels","Provable and Practical Security - 15th International Conference, ProvSec 2021",,,,,,2021,Nov. "Maxim Jourenko,Mario Larangeira,Keisuke Tanaka","Payment Trees: Low Collateral Payments for Payment Channel Networks","International Conference on Financial Cryptography and Data Security","Financial Cryptography and Data Security",,,," 189?208",2021,Oct. "Xiangyu Su,Mario Larangeira,Keisuke Tanaka","How to Prove Work: With Time or Memory",,"IEEE International Conference on Blockchain and Cryptocurrency (ICBC)",,,,,2021,June "Maxim Jourenko,Mario Larangeira,Keisuke Tanaka","Payment Trees: Low Collateral Payments for Payment Channel Networks","情報とセキュリティシンポジウム(SCIS2021)",,,,,,2021,Jan. "Maxim Jourenko,Mario Larangeira,Keisuke Tanaka","Lightweight Virtual Payment Channels","Cryptology and Network Security - 19th International Conference, CANS 2020","Cryptology and Network Security",,,,"pp. 365-384",2020,Dec. "Bernardo David,Rafael Dowsley,Mario Larangeira","ROYALE: A Framework for Universally Composable Card Games with Financial Rewards and Penalties Enforcement","23rd International Conference of Financial Cryptography and Data Security",,,,,"pp. 282--300",2019,Sept. "Bernardo David,Rafael Dowsley,Mario Larangeira","MARS: Monetized Ad-hoc Routing System (A Position Paper)","CryBlock - 1st Workshop on Cryptocurrencies and Blockchain for Distributed Systems","Proceedings of the 1st Workshop on Cryptocurrencies and Blockchains for Distributed Systems",,,,"pp. 82--86",2019,June "Kanta Kurazumi,Mario Larangeira,Keisuke Tanaka","A Timeout Anonymous Payment Channel for Decentralized Currencies",,,,,,,2019,Jan. "Maxim Jourenko,Kanta Kurazumi,Mario Larangeira,Keisuke Tanaka","Notes on Offchain Protocols","Symposium on Cryptography and Information Security",,,,,,2019,Jan. "Maxim Jourenko,Mario Larangeira,Keisuke Tanaka","Lightweight Virtual Payment Channels","Symposium on Cryptography and Information Security",,,,,,2019,Jan. "Dimitris Karakostas,Aggelos Kiayias,Mario Larangeira","Account Management and Stake Pools in Proof of Stake Ledgers",,,,,,,2019,Jan. "Xiangyu Su,Mario Larangeira,Keisuke Tanaka","Verifiable Sequential Work with Trusted Generator",,,,,,,2019,Jan. "Bernardo David,Rafael Dowsley,Mario Larangeira","Kaleidoscope: An Efficient Poker Protocol with Payment Distribution and Penalty Enforcement","22nd International Conference of Financial Cryptography and Data Security","Financial Cryptography and Data Security",,"volume 10957",,"pp. 500--519",2018,Dec. "Bernardo David,Rafael Dowsley,Mario Larangeira","21 - Bringing Down the Complexity: Fast Composable Protocols for Card Games Without Secret State","Australasian Conference on Information Security and Privacy","Information Security and Privacy","Springer International Publishing","volume 10946",,"pp. 45--63",2018,June "田中圭介,原啓祐,Mario","CryptoNoteに対するサイズ効率化","冬のLAシンポジウム2016",,,,,,2016,Feb. "Mario Larangeira,KEISUKE TANAKA","Reduction-centric Non-programmable Security Proof for the Full Domain Hash in the Random Oracle Model","13th International Workshop on Information Security Applications","Information Security Applications",,,,"pp. 124-143",2012,Jan. "Mario Larangeira,Keisuke Tanaka","Programmability in the Generic Ring and Group Models","Presented at International Conference on Provable Security-ProvSec","Journal Internet Services and Information Security",,"vol. 1","number 2/3","pp. 57--73",2011,June "KEISUKE TANAKA,Mario Larangeira","Weakened Random oracle Models Without Programmability.","The 2010 symposium on Cryptography and Information Security",,,,,,2010,Jan.