[Interview] Sylvain Conchon joins OCamlPro

On April 2020, Sylvain Conchon joined the OCamlPro team as our Chief Scientific Officer on Formal Methods. Sylvain is a professor at University Paris-Saclay, he has also been teaching OCaml in universities for about 20 years. He is the co-author of Apprendre à programmer avec OCaml with Jean-Christophe Filliâtre, a book for students in French […]

2019 at OCamlPro

OCamlPro was created to help OCaml and formal methods spread into the industry. We grew from 1 to 21 engineers, still strongly sharing this ambitious goal! The year 2019 at OCamlPro was very lively, with fantastic accomplishments all along! Let’s quickly review the past years’ works, first in the world of OCaml (flambda2 & compiler optimisations, […]

Blockchains @ OCamlPro: an Overview

OCamlPro started working on blockchains in 2014, when Arthur Breitman came to us with an initial idea to develop the Tezos ledger. The idea was very challenging with a lot of innovations. So, we collaborated with him to write a specification, and to turn the specification into OCaml code. Since then, we continually improved our skills […]


What’s new for Alt-Ergo in 2018 ? Here is a recap !

After the hard work done on the integration of floating-point arithmetic reasoning two years ago, 2018 is the year of polymorphic SMT2 support and efficient SAT solving for Alt-Ergo. In this post, we recap the main novelties last year, and we announce the first Alt-Ergo Users’ Club meeting. An SMT2 front-end with prenex polymorphism As […]


OCamlPro’s TzScan grant proposal accepted by the Tezos Foundation – joint press release

Tezos Foundation and OCamlPro joint press release – October 17, 2018 We are pleased to announce  that the Tezos Foundation has issued a grant to OCamlPro to support its work on TzScan, a block explorer for the Tezos blockchain that will be made open-source. OCamlPro is a French company and R&D lab, focused on OCaml […]

2017 at OCamlPro

Since 2017 is just over, now is probably the best time to review what happened during this hectic year at OCamlPro… Here are our big 2017 achievements, in the world of blockchains (the Liquidity smart contract language, Tezos and the Tezos ICO,  etc.), of OCaml (with OPAM 2, flambda 2 etc.), and of formal methods […]


OCamlPro Highlights: May-June 2014

Here is a short report on some of our public activities in May and June 2014. Towards OPAM 1.2 After a lot of discussions and work on OPAM itself, we are now getting to a clear workflow for OCaml developpers and packagers: the preliminary document for OPAM 1.2 is available here. The idea is that […]


OCamlPro Highlights: April 2014

Here is a short report on some of our activities in April 2014, and a short analysis of OCaml evolution since its first release. OPAM Improvements We’re still working on release 1.2. It was decided to include quite a few new features in this release, which delayed it a little bit since we want to […]


OCamlPro Highlights: March 2014

Here is a short report of some of our activities in March 2014 ! Welcome Thomas First, we would like to welcome Thomas Blanc on board ! Thomas is starting a PhD at OCamlPro, with Michel Mauny from ENSTA as his PhD advisor. So, he will stay with us for three years, working on static […]


OCamlPro Highlights: Feb 2014

Here is a short report of some of our activities in February 2014 ! Displaying what OPAM is doing After releasing version 1.1.1, we have been very busy preparing the next big things for OPAM. We have also steadily been improving stability and usability, with a focus on friendly messages: for example, there is a […]