Barnabé Monnot

Year 4 PhD candidate in Singapore, research in algorithmic game theory and large systems with a data-driven approach.

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(Partially) Explained Casper CBC specs — Parts one and two

Scaling blockchains in a provably secure manner is an urgent problem. I recently published a two-part post on Medium related to the latest Casper CBC specs. It has visuals to make sure it is clear and is my attempt at describing the often complex issue of consensus. Read on and let me know what you think! [Part one] [Part two] More...

Efficient markets for urban design

Taipei, in an effort to “green” the city after decades of industrialisation and develop alternative modes of transportation, has steadily built a large network of bicycle lanes. The more awkward ones run on parts of sidewalk with two simple parallel lines delineating the space, but the more scenic paths are to be found along its rivers. Though flanked on every side by turbulent expressways and large interchanges feeding into long bridges, once an opening below the motorised hell is passed, you finally access the riverbeds. There, a sinewy bicycle path, following the curves of the stream, connects you from the city to mangroves and picturesque green spaces where herons and fishermen coexist. More...

Random walks in Singapore

After four years of roaming around Singapore, I have collected a few addresses by neighbourhoods. I suggest you put markers on Google Maps for all these points, to see how they can be made into walks and where to stop to eat. Each neighbourhood is usually accessible by MRT and a lot of them are in the same area, so can easily be walked from one to the other. More...

The pedestrian flow

Cities may come in all sizes and shapes, cultures and habits, histories and topologies but still remains one seemingly common denominator across all: the pedestrian. Yes, people in New York walk faster (but slower than Singapore, apparently, though the study discounts pedestrians using their phone while walking, which accounts for 90% (data mine, totally objective) of everyone), people in Bangalore seamlessly move from sidewalk to the road, people in Hong Kong know to arrange themselves in queues in congested areas, but even these specificities can be explained away by the particular conditions in which they happen. More...

The Taiwan metro etiquette

I have skipped a week in my year of writing but will make it up now with some stray thoughts. More...

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