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Streaks lie. A photo of the minute doesn't.

You have kept a streak before. Somewhere around day nine you started logging the habit after the fact — the tap standing in for the thing itself — and by day twenty the only part still alive was the…

  • One Minute Magic tracks habits in three 60-second tasks
  • Photograph serves as evidence of completed tasks
  • App emphasizes simplicity and transparency

TrailBuddy Local: Local-first outdoor companion for the Touch Grass challenge

Why I built TrailBuddy Local Modern apps optimize for attention, but I wanted an outdoor companion that helps people step away from glowing screens instead of pulling them back in.

  • TrailBuddy Local is a Streamlit app for personalized outdoor missions.
  • It runs locally on user's device, prioritizing privacy and security.
  • Open-source project aims to encourage time in nature, reduce screen time.

Trusted Timestamps (RFC 3161): How to Anchor a Hash Chain So No One Can Rewrite the Past

A hash chain proves a record was not modified after it was written. It does not prove when it was written, and it does nothing against someone who controls the server and can re-sign the whole chain.

  • Trusted Timestamps (RFC 3161) solve hash chain limitations
  • Time Stamp Authority (TSA) vouches for hash existence at specific time
  • Two anchoring strategies: per-record stamping vs periodic chain-head stamping

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