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…

The Input | Output (IO) Education team recently delivered a momentous Cardano developer course at the National Technological University (UTN) in Buenos Aires, Argentina. The experience served both to cultivate deep technical learning and to leave a lasting impression on the education team through interactions with the local community and culture.

IO’s technical education lead, Karina Lopez, shares a glimpse into the highlights and stories from this two-week course, delivered in collaboration with Ada Labs for Blockchain Applications (ALBA)…

Research has always been integral to Input | Output’s (IO) creative process, allowing for the development of high-assurance blockchain solutions grounded in functional correctness.

Collaborating with researchers and leading universities worldwide, IO addresses challenging research questions to build a solid foundation for fintech blockchain infrastructure. Led by Aggelos Kiayias…