Total Recall

Total Recall — Tatum × Walrus Memory

Get your memory back. Three weeks to ship an app that actually remembers: scores, preferences, and reasoning that carry across sessions. Walrus Memory stores the learning. Tatum AI Builder and RPCs help you build and ship. Three tracks — markets & sports prediction, smart agents, and consumer finance. $4,500 prize pool. Fully online. Open globally. Web2 builders welcome.

Build: 20 Oct – 10 Nov 2026
Submit: 10 Nov, 17:00 UTC
https://tatum.io/hackathon/total-recall