Python programs, usually short, of considerable difficulty, to perfect particular skills.

A curated list of insanely awesome libraries, packages and resources for Quants (Quantitative Finance)

Pure Python from-scratch zero-dependency implementation of Bitcoin for educational purposes

A handy tool to quickly analyze the orderbook depth for all Deribit listed options.

A Decentralized Autonomous Medical Reserve that manages national medical resources and supplies in a time of crisis.