I built a puzzle / programming challenge with a 0.125 BTC prize

In plain words

This is a puzzle and programming challenge launched in 2018 with a 0.125 BTC prize for solvers. It's designed for people interested in cryptography, coding problems, and competitive challenges. The puzzle combines traditional problem-solving with cryptocurrency incentives, offering a practical application for programmers and puzzle enthusiasts looking to test their skills against a real-world challenge.

written from the facts on this page · September 2026

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  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

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