access_time 25 de setembro de 2019 às 14:00 até 25 de setembro de 2019 às 16:00
place Sala C10, Pavilhão Central (Piso 1), IST, Alameda
Blockchain cryptocurrencies such as Ethereum offer a secure and decentralized transaction system and have the potential to replace legacy financial transaction systems. Despite their potential, they suffer from transaction ordering and admission problems. These stem from having miners deciding the transaction execution order, as well as which transactions are admitted in the blockchain. Transaction censorship, transaction removal due to double-spending attacks and long transaction commit delays are some of the resulting problems. In this dissertation, we will propose new algorithms to mitigate these fundamental problems, resorting to principles and techniques from epidemic broadcast algorithms and weakly-consistent replication.
local_offer Prova de CAT
person Candidato: Paulo Jorge Raposo Duarte Adrião Mendes da Silva
supervisor_account Orientador: Prof. João Pedro Faria Mendonça Barreto/ Prof. Miguel Ângelo Marques de Matos