Zypherpunk

NEAR Protocol

Project Tachyon

Starknet ✨🐺

Starknet

Network School

Mina Protocol

Axelar Network

Arcium

Aztec

Electric Coin Company

Osmosis

Miden

Fhenix

Pump Fun

Helius

Gemini

Zcash Community Grants

nillion

Unstoppable Wallet

Bitlux

Raybot

Mintlify

Star Fun

Alliance DAO

Alliance

echo

founder echo

cobie

Solana

Solana Co-Founder

toly

founder network state and former CTO Coinbase

balaji

StarkWare

Co-Founder Starkware and Zcash

Eli Ben-Sasson

Zcash

Zcash Co-Founder

zooko

Zcash Cryptographer & Project Tachyon Lead

sean bowe

imran khan

Helius CEO

mert

NEAR Protocol Founder

illia

a16z crypto

CTO a16z crypto

eddy lazzarin

Founder Axelar

sergey gorbunov

Citadel Hackathon - Season 1

ccuhacks

HACKER HOUSE GOA 2026

HackNex Season 2

Build bridges, interoperability protocols, or cross-chain applications that integrate Zcash's privacy features with other blockchain ecosystems.

Use the NEAR intents SDK and other NEAR solutions to connect Zcash with multiple chains and champion access to DeFi for Zcash users privately. Allow Zcash holders to orchestrate cross-chain actions like being able to lend on other chains via their ZEC, build DeFi primitives with wrapped ZEC on other chains like ZEC backed stablecoin, etc. Make it easy for people to spend, and utilize their ZEC powered by NEAR intents.  Prizes: $5k, $5k for the top 2 projects followed by $4k, $3k, $3k for the remaining 3

Cross-Chain Privacy Solutions

Bounty: 5000 USD each

Bounty: 3000 USD each

Bounty: 4000 USD each

Develop applications that combine privacy technology with artificial intelligence, private storage, or secure computation. Explore use cases in private data processing, confidential AI models, and secure multi-party computation.

Use NEAR AI toolings to leverage verifiable & private TEE based inference to build Agentic models that allow users to spend their ZEC wisely, and privately. Ideas can range from prompt based interfaces to spend ZEC via natural language in the shielded pool or cross-chain, philanthropy via ZEC where the user prompts their interested causes and the agent looks and funds aligned causes via ZEC and much more. Anything that allows ZEC holders to leverage agentic behaviour privately with the help of NEAR AI qualifies for submission to the bounty. Prizes: $5k, $5k, $5k for the top 3 projects followed by $4k, $3k, $3k for the remaining 3

Privacy-Preserving AI & Computation

Bounty: 5000 each

Bounty: 3000 each

Bounty: 4000 each

Build payment solutions, transaction systems, or financial applications that prioritize privacy and security. This includes private payment processors, confidential transaction layers, point-of-sale systems, remittance solutions, and innovative ways to send and receive value privately.

Build Zcash related private real world payment solutions using NEAR intents and related technologies. Prizes: $3k, $2k

Private Payments & Transactions

Bounty: 2000 each

Bounty 1500 USD

Bounty 1000 USD

Bounty 500 USDC each

Private DeFi & Trading

Bounty: 1000 dollars

Bounty: 500 Dollars each

Self-Custody & Wallet Innovation

Privacy Infrastructure & Developer Tools

Creative Privacy Applications

Privacy-Focused Content & Media

Zcash Data & Analytics

$5000

$3000

$1000

$500

Create privacy protecting applications, leveraging starknet

Privacy with Starknet

We're looking for innovative privacy-preserving solutions in the following areas:

**zk-Passport**

Privacy-preserving cryptoidentity solutions

**zk-Census**

Measuring population for startup societies and digital groups without doxxing members

**NOTE:** This is a generic bounty, every project qualifies for this, so all projects can select this track while making their submission.

Prize: $30,000 in Network School Memberships — An all-inclusive package covering accommodation, food, coworking, gym, and events on a solarpunk island near Singapore.

General Bounty

Network School Memberships

Create content that educates, entertains, or inspires around privacy technology. This could include video explainers, research papers, short stories exploring privacy themes, shielded-memo memes, documentary projects, podcasts, or any media format that communicates the importance and possibilities of privacy in the digital age.

Build privacy-preserving applications on Mina using zero-knowledge smart contracts (zkApps) that let leverages tooling available to build applications on Mina.

Privacy protecting applications leveraging Mina

Make privacy protecting applications on Mina

Build bridges, interoperability protocols, or cross-chain applications that integrate Zcash's privacy features with other blockchain ecosystems.

$4000

$2500

Develop applications that combine privacy technology with artificial intelligence, private storage, or secure computation. Explore use cases in private data processing, confidential AI models, and secure multi-party computation.

Create decentralized finance applications, trading platforms, or financial tools that leverage Zcash's privacy technology. This includes private swaps, capital markets, launchpads, and analytics solutions.

Create content that educates, entertains, or inspires around privacy technology. This could include video explainers, research papers, short stories exploring privacy themes, shielded-memo memes, documentary projects, podcasts, or any media format that communicates the importance and possibilities of privacy in the digital age.

**NOTE:** This is a generic sponsorship for media content, all privacy focused content and media submissions can choose the prize in this track from Aztec.

Private Focused Content & Media

Implement a library in TypeScript, Go, Kotlin, or Java that enables users with Bitcoin-derived transparent-only Zcash functionality to send shielded outputs using the Partially Constructed Zcash Transaction (PCZT) API. Build tools that bridge transparent and shielded Zcash ecosystems, making privacy more accessible to existing transparent Zcash users. Prizes: $5,000, $3,000, $2,000

Bounty 5000

Bounty $3000

Bounty $2000

Build next-generation wallets, self-custody solutions, or user interfaces that enhance privacy and user experience. Focus on mobile SDKs, wallet hiding solutions, and innovative ways to manage private assets.

**NOTE:** Osmosis is sponsoring a generic bounty for this track, which means all self-custody and wallet innovation submission can choose their prize while submitting.

Build payment solutions, transaction systems, or financial applications that prioritize privacy and security. This includes private payment processors, confidential transaction layers, point-of-sale systems, remittance solutions, and innovative ways to send and receive value privately.

**NOTE:** Osmosis is sponsoring a generic bounty for this track, which means all private payment and transactions related submission can choose their prize while submitting.

Build a private bridge between Zcash testnet and Miden testnet, enabling shielded cross-chain transfers between the two networks.

First Prize

Second Prize

Third prize

Build next-generation wallets, self-custody solutions, or user interfaces that enhance privacy and user experience. Focus on mobile SDKs, wallet hiding solutions, and innovative ways to manage private assets.

Make privacy protecting applications leveraging Fhenix

Privacy with Fhenix

mumtaz

Fhe-Pred

Cipher Vault

Second Prize for Cross-Chain Privacy

First Prize - zcash-router-sdk

Second Prize - hydex

Develop applications that enable analysis of zcash related data creating meaningful insights for the audience interested in the project. This includes creating dashboards, alert systems, sdks and more with the goal of making it easy for people to understand various trends and events around zcash.

First Prize - CipherScan

Second Prize - zcash explorer

Zucchini Wallet

Zarlink

ZUSD

Create tools, protocols, or infrastructure that make it easier for developers to build privacy-preserving applications. This includes anonymous contribution systems, open-source collaboration tools, and privacy-focused development frameworks.

PSZT Kit

goZec

Zcash Modern Doc

Build next-generation wallets, self-custody solutions, or user interfaces that enhance privacy and user experience. Focus on mobile SDKs, wallet hiding solutions, and innovative ways to manage private assets.



Create decentralized finance applications, trading platforms, or financial tools that leverage Zcash's privacy technology. This includes private swaps, capital markets, launchpads, and analytics solutions.



Zeke

Zchat

Zeal Zcash

Stuff

Cross-Chain Privacy Solution

Zapp

Develop applications that enable analysis of zcash related data creating meaningful insights for the audience interested in the project. This includes creating dashboards, alert systems, sdks and more with the goal of making it easy for people to understand various trends and events around zcash.



Mintlify Pro

Build payment solutions, transaction systems, or financial applications that prioritize privacy and security. This includes private payment processors, confidential transaction layers, point-of-sale systems, remittance solutions, and innovative ways to send and receive value privately.

Zypherpunk

Zypherpunk

$258,500

Available in Prizes

$258,500

Available in Prizes

Lineup

Lineup

Sponsors

Sponsors

Sponsors

Sponsors

FAQs

FAQs

Zypherpunk

Zypherpunk

$258,500

Available in Prizes

$258,500

Available in Prizes

Lineup

Lineup

Sponsors

Sponsors

Sponsors

Sponsors

FAQs

Can my project be part of multiple tracks and bounties?

How many team members can I have?

What is the default communication channel for the hackathon?

Does my project need to be open source?

Are there minimum entry requirements for prizes to be awarded?

FAQs

Can my project be part of multiple tracks and bounties?

How many team members can I have?

What is the default communication channel for the hackathon?

Does my project need to be open source?

Are there minimum entry requirements for prizes to be awarded?