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    sai karthik ketha

    @saiisback on GitHub ↗
    Projects
    2
    Winning projects
    0
    Hackathons
    2
    Active
    2026

    Builds in

    AI agents 2Identity & reputation 1Payments 1Security 1Wallets & UX 1

    Projects

    HumanOS

    Everyday AI workflows with ENSv2 agent identities, scoped permissions and human control.

    ens · python · react · solidity · the-graph

    Obolos

    Agents buy evidence and pay for verification within Ledger-approved budgets on Hedera and Arc.

    ethereum · express · hedera · llm · nextjs

    Projects are linked from GitHub commits to each project's repo during its hackathon, so some may be missing or wrong. Prize money is each project's total, shared with teammates. Is this you?