Input | Output takes the setting of solid work foundations very seriously. A recent example of this is the research on Decentralized Identifier Communication (DIDComm) through the paper ‘What did come out of it? Analysis and improvements of DIDComm messaging.' which is being presented at this week’s CCS’24, ACM’s flagship conference for computer and communications security. The…

Ouroboros Peras (henceforth, Peras) is an extension of the Ouroboros Praos protocol that addresses the problem of transactions’ settlement horizon, that is, the point in time when the probability of a transaction being reverted becomes negligible. Shorter settlement times improve security, usability and efficiency in blockchain systems.

The key concept behind Peras is the use…

Designing blockchain systems is a challenging endeavor. It is also a continuous process, as these systems are long-lived and aim to capture requirements that evolve during their lifetime. It follows that a blockchain project’s community often faces difficult decisions that ‘fork’ the future of a blockchain system in different ways, with consequences that are hard to fully…