Oleksandr Koval

@oleksandrkovaz

Paraguay

Anglais, Allemand, Portugais

Certaines informations sont présentées en anglais.

À propos de moi

Oleksandr here — smart contract developer & blockchain architect. I design sports betting platforms with transparent on-chain odds. My builds combine Solidity, Next .js, and Chainlink Oracles. I can integrate admin dashboards, live scores, and payout systems. Every code line is optimized for performance and safety. Let’s launch your powerful Web3 betting or prediction platform.... Plus d’infos

Compétences