Total Recall Hackathon: $4,500 in Prizes
Summary
The Upside announces Total Recall, an online hackathon running October 20 to November 10, 2026, in partnership with Tatum. Builders can create apps and agents using Walrus Memory on mainnet and compete across three tracks, with a total prize pool of $4,500. The event gives the community a chance to explore practical AI memory, agent payments, and consumer applications.
TOTAL RECALL โ TATUM ร WALRUS MEMORY
For anyone who missed it, Total Recall is a session we are running with our partner Tatum! Build apps and agents that remember with Walrus Memory on mainnet, with $4,500 in prizes. 
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20 October โ 10 November ยท Online
๐ Details and how to join
๐ THREE TRACKS โ $1,000 EACH
๐ Markets & Sports Prediction โ Apps that remember past picks and learn which sources to trust.
๐ค Smart Agents for Real Life โ Agents for everyday tasks that remember context across tools and sessions.
๐ Consumer Apps People Use โ Money, planning, recommendation, and social apps that improve through memory.
๐ BONUS AWARDS โ $500 EACH
๐ง Best Walrus Memory โ Memories that visibly change the product.
โก Best Tatum AI Builder App โ Best product built primarily with ai.tatum.io.
๐ธ Best Use of Agent Payments โ Best app using x402 or MPP, settled on Sui.
๐ฌ Weโve opened a support group here in Discord. You can also join Tatumโs Discord for any questions related to the event or the use of their app.
๐ฃ Tatumโs announcement on X
Total Recall | Tatum x Walrus Memory Hackathon
Join the Walrus x Tatum Hackathon: Total Recall. $4,500 prize pool. 20 Oct to 10 Nov 2026. Online.
