News & Publications

Model-Based Testing with TLA+ and Apalache

The TLA+ community hosted a virtual event to bring together practitioners and researchers to discuss the latest developments in TL+. Andrey Kuprianov, Research Engineer at Informal, and Igor Konnov, Principal Scientist, presented on Apalache - a symbolic model checker for TLA+. Check out the presentation, paper, and slides here.


Igor Konnov, Principal Scientist at Informal Systems, is the co-chair of CONCUR 2020, during QONFEST, a leading conference for formal verification enthusiasts.

RustConf 2020

Informal is a Gold Sponsor for this year’s RustConf2020. We are big fans of Rust, and have ongoing Rust projects including the Tendermint protocol and the InterBlockchain Communication (IBC) Protocol.


DISCOTEC is an academic conference on Distributed Computing Techniques. Principal Scientist, Igor Konnov, gave a tutorial on the Byzantine Model Checker.

Consensus 2020

Informal CEO, Ethan Buchman, presented a technical progress update and roadmap for Cosmos and an update on InterChain Foundation treasury management.