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Mario Larangeira

Research Fellow

Academic Research

Japan

Provably Secure Blockchain Protocols from Distributed Proof-of-Deep-Learning

Xiangyu Su,Mario Larangeira,Keisuke Tanaka

August 2023, NSS '23

PROOF-OF-USEFUL-WORK

Maravedí: A Secure and Practical Protocol to Trade Risk for Instantaneous Finality

Mario Larangeira,Maxim Jourenko

July 2023, AfricaCrypt '23

LAYER-TWO MICROPAYMENT PAYMENT-CHANNELS

A Decentralized Information Marketplace Preserving Input and Output Privacy

Steven Golob,Sikha Pentyala,Rafael Dowsley,Bernardo David,Mario Larangeira,Martine De Cock,Anderson Nascimento

June 2023, DEC '23

State Machines across Isomorphic Layer 2 Ledgers

Maxim Jourenko,Mario Larangeira

May 2023, FC'23

CARDANO LAYER-TWO MICROPAYMENT PAYMENT-CHANNELS

WOTSwana: A Generalized Sleeve Construction for Multiple Proofs of Ownership

David Chaum,Mario Larangeira,Mario Yaksetig

December 2022, ICISC '22

WALLET

Reputation at Stake! A Trust Layer over Decentralized Ledger for Multiparty Computation and Reputation-Fair Lottery

Mario Larangeira

December 2022, ICISC '22

MPC PROOF-OF-STAKE

Tweakable Sleeve: A Novel Sleeve Construction based on Tweakable Hash Functions

David Chaum,Mario Larangeira,Mario Yaksetig

July 2022, Marble '22

WALLET

Interhead Hydra: Two Heads are Better than One

Maxim Jourenko,Mario Larangeira,Keisuke Tanaka

July 2022, Marble '22

CARDANO LAYER-TWO MICROPAYMENT PAYMENT-CHANNELS

A Spendable Cold Wallet from QR Video

Rafael Dowsley,Mylène C.Q. Farias,Mario Larangeira,Anderson Nascimento,Jot Virdee

July 2022, SECRYPT '22

CRYPTOCURRENCY WALLET

Turn-Based Communication Channels

Carlo Brunetta,Mario Larangeira,Bei Liang,Aikaterini Mitrokotsa,Keisuke Tanaka

November 2021, ProvSec '21

Conclave: A Collective Stake Pool Protocol

Dimitris Karakostas,Prof Aggelos Kiayias,Mario Larangeira

October 2021, ESORICS 2021

BLOCKCHAIN PROOF-OF-STAKE STAKE-POOL

W-OTS(+) up my Sleeve! A Hidden Secure Fallback for Cryptocurrency Wallets

David Chaum,Mario Larangeira,Mario Yaksetig,William Carter

June 2021, ACNS '21

DIGITAL SIGNATURES HASH

How to Prove Work: With Time or Memory (Extended Abstract)

Xiangyu Su,Mario Larangeira,Keisuke Tanaka

May 2021, ICBC '21

PROOF-OF-WORK

Payment Trees: Low Collateral Payments for Payment Channel Networks

Maxim Jourenko,Mario Larangeira,Keisuke Tanaka

March 2021, Financial Cryptography 2021

ATTACK BITCOIN LIGHTNING-NETWORK MICROPAYMENT PAYMENT-CHANNELS

Lightweight Virtual Payment Channels

Maxim Jourenko,Mario Larangeira,Keisuke Tanaka

December 2020, CANS '20

PAYMENT-CHANNELS

Account Management in Proof of Stake Ledgers

Dimitris Karakostas,Prof Aggelos Kiayias,Mario Larangeira

September 2020, SCN '20

IMPLEMENTATION PROOF-OF-STAKE STAKE-POOL

SoK: A Taxonomy for Layer-2 Scalability Related Protocols for Cryptocurrencies

Maxim Jourenko,Kanta Kurazumi,Mario Larangeira,Keisuke Tanaka

April 2019, ePrint Archive

BITCOIN BLOCKCHAIN CRYPTOCURRENCY MICROPAYMENT PROTOCOL

ROYALE: A Framework for Universally Composable CardGames with Financial Rewards and Penalties Enforcement

Bernardo David,Rafael Dowsley,Mario Larangeira

February 2019, Financial Cryptography 2019

BLOCKCHAIN CRYPTOGRAPHY DISTRIBUTED MPC PROTOCOL

21 - Bringing Down the Complexity: Fast Composable Protocols for Card Games Without Secret State

Bernardo David,Rafael Dowsley,Mario Larangeira

July 2018, ACISP'18

BLOCKCHAIN CRYPTO DISTRIBUTED MPC PROTOCOL

MARS: Monetized Ad-hoc Routing System (A Position Paper)

Bernardo David,Rafael Dowsley,Mario Larangeira

June 2018, CryBlock'18

BLOCKCHAIN DISTRIBUTED PROTOCOL

Kaleidoscope: An Efficient Poker Protocol with Payment Distribution and Penalty Enforcement

Bernardo David,Rafael Dowsley,Mario Larangeira

March 2018, Financial Cryptography 2018

BLOCKCHAIN CRYPTO DISTRIBUTED MPC PROTOCOL