Release of Alt-Ergo 2.2.0

A new release of Alt-Ergo (version 2.2.0) is available. You can get it from Alt-Ergo’s website. An OPAM package for it will be published in the next few days. The major novelty of this release is a new experimental front-end that supports the SMT-LIB 2 language, extended prenex polymorphism. This extension is implemented as a[…]


This time of the year is, just like Christmas time, a time for laughs and magic… although the magic we are talking about, in the OCaml community, is not exactly nice, nor beautiful. Let’s say that we are somehow akin to many religions: we know magic does exist , but that it is satanic and[…]

Release of Alt-Ergo 2.1.0

A new release of Alt-Ergo (version 2.1.0) is available on Alt-Ergo’s website: An OPAM package for it will be published soon. In this release, we mainly improved the CDCL-based SAT solver to get performances similar to/better than the old Tableaux-like SAT. The CDCL solver is now the default Boolean reasoner. The full list of[…]

New updates on TzScan

Update – can now work on top of the zeronet (, we hope it can help the developers community monitor the network. You can now switch between the alphanet & zeronet networks! OCamlPro is pleased to announce an update of TzScan (, its Tezos block explorer to ease the use of the Tezos network.[…]

Release of a first version of, a Tezos block explorer

OCamlPro is proud to release a first version of TzScan (, its Tezos block explorer to ease the use of the Tezos network. What TzScan can do for you : – Several charts on blocks, operations, network, volumes, fees, and more, – Marketcap and Futures/IOU prices from, – Blocks, operations, accounts and contracts detail pages,[…]

OCamlPro’s Liquidity-lang demo at JFLA2018 – a smart-contract design language

As a tradition, we took part in this year’s Journées Francophones des Langages Applicatifs (JFLA 2018) that was chaired by LRI’s Sylvie Boldo and hosted in Banyuls the last week of January. That was a nice opportunity to present a live demo of a multisignature smart-contract entirely written in the #Liquidity language designed at OCamlPro,[…]

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[…]