# Zona Wins $40,000 First Prize at Open House Buildathon

By Simon Yoon

Canonical URL: https://www.tokenpost.com/news/technology/33165
Published: 2026-10-16T10:00:05.000Z
Updated: 2026-10-16T10:00:05.000Z
Section: Technology

> Peridot Protocol placed second with $20,000, while AquaZero took third with $10,000.

Zona won the $40,000 first-place award in the open category at the Open House Buildathon for a tokenized-stock lending and trading project on Robinhood Chain.

Peridot Protocol placed second and received $20,000. Its project focuses on cross-chain lending and long/short markets for Robinhood stock tokens. AquaZero took third place with $10,000 for a liquidity layer for stablecoin issuers and market makers.

The three open-category prizes totaled $70,000. Arbitrum and Robinhood Chain organized the buildathon.