Two Ukrainian teams, Backyard Finance and Cashflow, received top honors at the Solana Mobile Hackathon, organizers reported today.

Winners and project focus

Backyard Finance presented a DeFi toolkit for building yield strategies with stablecoins, integrating liquidity routes across major Solana protocols.

The project enables strategy composition through Jupiter, Kamino and Meteora and proposes issuance of a liquid stablecoin under the ticker BYD.

Cashflow: mobile yield aggregation

Cashflow delivered a mobile non-custodial aggregator that surfaces APY data from lending and yield protocols for retail users.

It connects to Jupiter Lend, Kamino and Drift, and supports gas-free transaction flows to simplify on-chain interactions for mobile wallets.

Event context

The Solana Mobile Hackathon brought together teams building native mobile experiences and tooling for the Solana ecosystem, with emphasis on composability and user experience.

Organizers highlighted that winning entries combined protocol integrations with practical mobile-first interfaces aimed at broader user adoption.