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Kateryna Ivashchenko (@rayyer) · Skyhook

Kateryna Ivashchenko

@rayyer

Based in Poland

Earned: $25
Win: 1
Submissions: 9

Skills

Frontend
Backend
Blockchain

Wins

On-Chain Loyalty Rewards System ChallengeBonusSuperteam PolandAug 202625USDGView Work

Also Entered

Colosseum Crypto World's Fair Hackathon | Superteam Poland TrackSuperteam PolandOct 2026View Work
Build and Demo a Mermail Agent SkillMermailOct 2026View Work

Build Solana-native plugins for Zeroclaw 🦞Superteam Brasil·Jul 2026

Find Critical Vulnerabilities in Veilo Mainnet Smart Contracts for Fund LossVeiloLayer·Jul 2026

Prediction Markets and SettlementTxODDS·Jul 2026View Work

Trading Tools and AgentsTxODDS·Jul 2026View Work

Ship useful agent skills we can add to Solana AI KitSuperteam Brasil·Jun 2026View Work

Build everyday real-world systems as on-chain Rust programsSuperteam Poland·Jun 2026View Work