Laurent Henocque

It is commonly considered to use transactions over the Bitcoin ledger to implement timestamping. The core idea is to attach data to a transaction, in a form accepted by the network (e.g. OP_Return), or encoded in the transaction details (amounts paid for instance). Do we need this?

Understand the main paradigms of man machine interfaces. Learn to specify man machine interfaces using UML2 state diagrams, or the ISL language, and Javastates.

The project's main page Javastates

Download Javastates on sourceforge.net.

This post explains how to use the iPCU software to create an 802.1X connection to eduroam (french site) for researchers, lecturers and strudents who use mac osx lion. A template configuration file is offered for download.

Being interested in the nature of the Bitcoin hashing bubble, I have set up a quick table to analyse the nature of the Bitcoin mining investment. The results are presented in the table below (click to enlarge). The simulation starts today (mid

This course presents an initiation to the JavaStates technology for efficiently creating bug free man machine interfaces. The course also covers general notions about the specification of man machine interfaces as well as best practises.

My list of publications is available  on the LSIS web site. Also for a limited time on my previous personal pages.

A course about Javastates in english

The internet today goes fast, very fast, and many spend a huge amount of their lifetime in sharing. But shouldn't we go more on the sesfish side?

If participating in social networking sites is pure leasure, then you may not be interested in reading this. If ever you would expect your online activity to generate a long term value, then maybe readon.

Dynamically extending the Object prototype to implement watch/unwatch: being informed when a property changes.

Mise en ligne du site de l’art-thérapeute Michèle Fernandez sous forme d’un blog posterous. art-therapie-marseille

At last it has become possible to use an electric bike in a large city with steepy hills like Marseilles. Velion.fr helps in the acquisition of the ultra economic and powerful kits by Ebike-Discount.

This poll aims at evaluating the willingness of social network users who publish photo or video to pay for a simple solution to protect their creation:

• without impairing the media
• protecting the whole range of media metadata (author, date, geolocalization, copyright preferences inclusive)
• allowing in the future, and without the help of a trusted tier, to check that a copy never was corrupt, if required to prove authorship