A personal account of building HeheStreams, facing the consequences, and going to prison as a startup founder who had a piracy website.

Changing the case of text can change the size of the corresponding QR code. This is one of the reasons Bitcoin moved from Base58 to bech32 encoding.

Video lectures, notes, and exercises in all areas of applied cryptography

These are my opinions and are ruminations on what might be happening as more and more developers use LLMs and Frameworks to build on the web.
In October last year I wrote “will developers care about frameworks in the future?” predicting that LLMs would abstract…

Sizable Energy has a plan to store excess renewable energy in flexible reservoirs out at sea. The startup has raised $8 million to test prototypes.

Exploring the internals of our new product, a modern Jupyter notebook built for fast startup and real-time collaboration.

A 23-year-old man killed himself in Texas after ChatGPT ‘goaded’ him to commit suicide, his family says in a lawsuit.

The report shows that the company was hesitant to crack down harder on scams, due to the billions in revenue that they were generating for Meta....

Building auraphone - using CBCentralManager on ios and BluetoothManager on android to make each phone broadcasts as a peripheral but also connects as central. Rooms full of phones running the app gossip.

OpenTelemetry standardizes instrumentation and pipelines so you can swap observability vendors, mix open source with commercial tools, and run hybrid data stacks without rewriting code or paying exit taxes.

OCaml's type system catches state corruption at compile time. Type-safe SQL, automatic serialization, and immutability by default prevent entire categories of bugs.

The OpenMW team is proud to announce the release of version 0.50.0 of our open-source engine! Grab it from our Downloads Page for all supported operating systems. This round number release overhaul…

One area where software development lags far behind other technical design disciplines like electronic and mechanical engineering is in standards of evidence. To illustrate what I mean, I want to t…

You’ve probably heard of the phrase “time immemorial” as a general term for events that happened a very long time ago, but in fact, it has a specific meaning, and this year is its 750th anniversary.

Tetris is more than just a game.

Personal blog of Marc Coquand.

Claude's Status Page - Elevated errors for requests to Claude 4, 4.5 Sonnet and 4.5 Haiku.