Here is a quick look back on some of the zkApps that were built at zkHAck in Krakow from May 17-19th 2024.
For more information about the event visit https://www.zkkrakow.com/

ZKHack Krakow Applications: Adventrue – A True Adventure with ZK: Overview: This project integrates zero-knowledge proofs (ZKPs) into gaming or adventure scenarios, ensuring secure and private verification of game elements. Key Features: It likely allows players to prove achievements, items, or interactions in a game without revealing unnecessary details, enhancing gaming security and privacy.
Link: Adventrue

ZK Treasure Hunt with o1js: Overview: A treasure hunt application leveraging ZKPs for secure verification of progress and eligibility. Key Features: Participants can solve puzzles or find treasures anonymously and securely, proving their success without disclosing sensitive information. Link: ZK Treasure Hunt

Cryptographic Primitives: Overview: Implements fundamental cryptographic techniques such as BLS signatures and Shamir Secret Sharing using o1js. Key Features: Demonstrates practical applications of these techniques for secure data handling and sharing, leveraging the power of zero-knowledge proofs. Link: Cryptographic Primitives

neighbourhood.io: Overview: A platform enabling verified community interactions with privacy features. Key Features: Uses ZKPs to facilitate anonymous voting and complaints filing within communities, ensuring protection from reprisals and maintaining privacy. Link: neighbourhood.io

POPKORN: Overview: A wallet application leveraging Protokit technology for managing MINA tokens securely. Key Features: Offers a secure and efficient method for acquiring and transacting MINA tokens, integrating privacy features enabled by Protokit. Link: POPKORN

zkMinaOnramp: Overview: Provides a secure and efficient method to acquire MINA tokens swiftly using zero-knowledge proofs. Key Features: Ensures privacy and security in token acquisition processes on the MINA blockchain, enhancing user trust and transactional integrity. Link: zkMinaOnramp

zkPass: Overview: Focuses on ticket verification with privacy using zero-knowledge proofs. Key Features: Enables access control while preserving the privacy of ticket ownership information, demonstrating the application of ZKPs in secure verification processes. Link: zkPass

ZKPeer: Overview: A platform for anonymous scientific journal publishing and peer review. Key Features: Allows researchers to publish and review work anonymously, ensuring confidentiality and trust in academic contributions using zero-knowledge proofs. Link: ZKPeer