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    Sismo

    Enabling users to aggregate their identity and selectively disclose personal data to apps with Sismo Connect - the crypto-native SSO using ZKPs.

    Prize money awarded
    $36,000
    Prizes
    27
    Winning projects
    26
    Hackathons
    7
    Largest prize
    $3,000
    Active
    2022–2023

    What they reward

    Tech their winners favour

    Share of Sismo's winners using it, against all entries at the same hackathons.

    • zk42% of winners · 9% of entries
    • world-id12% of winners · 3% of entries
    • ens19% of winners · 7% of entries
    • account-abstraction19% of winners · 9% of entries
    • foundry12% of winners · 5% of entries
    • wagmi15% of winners · 7% of entries
    • the-graph23% of winners · 11% of entries
    • nextjs31% of winners · 18% of entries

    Recurring prizes

    Tracks offered at more than one hackathon.

    • Sismo5 hackathons · about $7,000 · last 2023

    Hackathons

    1. ETHOnline 2023 Oct 6–27, 2023$5KProvider4$5K
    2. Paris Jul 21–23, 2023$10KPillar8$10K
    3. Waterloo Jun 23–25, 2023$10K–5$10K
    4. Lisbon May 12–14, 2023$5K–3$5K
    5. Tokyo Apr 14–16, 2023$5K–3$6K
    6. ETHBogotá Oct 7–9, 2022––2–
    7. ETHOnline 2022 Sep 2–28, 2022––1–

    zBay revolutionizes online marketplaces by decentralizing eBay, empowering merchants and buyers. It enables seamless data and reputation import from eBay, secure escrow, XMTP chat, and transparent dispute resolution using the Uma optimistic oracle

    $13,300 · Gnosis Chain · 🥇 Gnosis Chain — Best Use · +7 more

    A better way to bubble up good content by using a variant of prediction markets to lighten moderators’ loads, providing an accurate signal about whether any specific submitted content is a great fit for the community.

    $7,154 · Worldcoin · 🧑‍⚖️ Worldcoin — Best Governance App · +4 more

    Enable encryption and decryption of data based on a custom combination of cross chain and natural language statements.

    $6,534 · Wormhole · 🥈 Wormhole — Best Use · +5 more

    Introducing zkPaymaster: A Revolutionary Account Abstraction Paymaster utilising Sismo zero knowledge proofs to conditionally sponsor transactions for users.

    $5,634 · Biconomy · 🔑 Biconomy — Best Use · +3 more

    We let people without lens profiles to post on our profile "nolensnoproblem.lens". We achieve this by creating wallets for our users and paying for their txs using erc-4337. To avoid paymaster sybil attacks and spam, we require users to verify with sismo or worldcoin.

    $4,537 · Sismo · ⛓ Sismo — Best On-Chain App · +3 more

    CryptoBureau: Unlock under-collateralized lending with Zero-Knowledge Proofs. Say goodbye to excessive collateral and embrace a credit scoring system that goes beyond traditional measures. Trustworthy, secure, and inclusive lending for the crypto community.

    $4,375 · Sismo · 🥇 Sismo — Best Use · +3 more

    Bubbles is a voice chat app for onchain communities. Create token-gated rooms based on token ownership, POAP claims, group affiliations and more.

    $4,125 · Airstack · 🥇 Airstack — Best Use · +2 more

    Take full control of your cookies with dookies - anonymous, ZKP-based and incentivized data analytics and tracking for all users with better ad personalization at the same time.

    $4,000 · Ethereum Foundation · 2️⃣ Ethereum Foundation — Best Ethereum.org Hack · +3 more

    Zuko is for individuals who value their privacy and seek a secure and confidential space to engage in online communities or forums.

    $3,500 · Sismo · 🏆 Sismo — Best Use of Sismo Connect · +1 more

    A crosschain, token-gated NFT designed with privacy, serving as a robust platform to bolster crypto advocacy and uniquely used to collect a secure, private and Sybil-resistant ERC20 token airdrop

    $3,118 · Sismo · 🥇 Sismo — Best Use · +1 more