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Tachyon

Project Tachyon

$35,000 USD github.com
Awarded to 42 projects
$34,500

Project Tachyon is contributing $35,000 split evenly across all nine hackathon tracks. This support enables builders across every category to develop innovative privacy-preserving solutions on Zcash.

Bounty Tracks

Cross-Chain Privacy Solutions

~$3,900

Build solutions that enable private cross-chain transactions and interoperability.

Privacy-Preserving AI & Computation

~$3,900

Develop AI applications and computation solutions that protect user privacy.

Private Payments & Transactions

~$3,900

Create payment solutions that prioritize transaction privacy.

Privacy Infrastructure & Developer Tools

~$3,900

Build developer tools and infrastructure for privacy-preserving applications.

Self-Custody & Wallet Innovation

~$3,900

Innovate on wallet UX and self-custody solutions with privacy focus.

Private DeFi & Trading

~$3,900

Build privacy-preserving DeFi protocols and trading solutions.

Zcash Data & Analytics

~$3,900

Create analytics tools that respect privacy while providing insights.

Privacy-Focused Content & Media

~$3,900

Produce content that educates about privacy technology.

Creative Privacy Applications

~$3,900

Build innovative applications that push the boundaries of privacy tech.

Winning Projects(42)

Cross-Chain Privacy Solutions

6 projects
$1500

Zcash Router SDK

Funding Anonymous Solana Account

M
+1
$13,000 total
$1000

Hydex Bridge

Invisible bridging with Zcash-grade privacy

F
H
$7,500 total
$500

SIP Protocol

Privacy by Default. Freedom by Design.

$4,500 total
$500

ZCash <> Aztec Bridge

Bi-directional privacy preserving bridge (PoC)

P
$2,000 total
$500

ZeroState

ZeroState is an anonymous townhall for NS

Y
$2,000 total
$500

ZeroBridge

The Privacy Layer for Cross-Chain Liquidity

T
$500 total

Private DeFi & Trading

6 projects
$1500
Z

Zumpfun

Privacy-first token creation platform on ztarknet

$1,500 total
$1000

Liquid Privacy

The first privacy enabled liquid staking protocol.

$3,000 total
$500

NocomFi

Lending with perfectly private collateral

$5,000 total
$500

Shadow swap

ZK Powered Atomic swap and Zcash - Starknet bridge

E
$1,500 total
$500

CircuitX

A privacy-native perpetual DEX built on Ztarknet

A
$1,500 total
$500

ArcSilence

Arcsilence – Private Execution, Public Settlement.

P
S
$500 total

Privacy-Focused Content & Media

5 projects
$1500
A

A short film on Digital Privacy

Content\Media

$3,100 total
$1000

WTF Even Is Privacy?

Human stories + cryptographic truth

$3,500 total
$500
P

Private Money.

Content/Media

H
$2,500 total
$500

The unsolved Crypto privacy problem.

Staying Surveillance Free.

T
$500 total
$500

Casten Clip Media

Creating quality privacy content for users

C
$500 total

Privacy Infrastructure & Developer Tools

5 projects
$1500
R

Rime

A Privacy-hardened UA light client for Zcash.

T
$3,000 total
$1000

Zipher

The Missing Privacy Layer

D
$1,000 total
$500

t2z

libraries for transparent → shielded txs (pczt)

$9,000 total
$500

anon0mesh

P2P Offline BLE messaging and private transaction.

$5,500 total
$500

Openbands

Bringing credible anonymity to online discussions

$2,000 total

Self-Custody & Wallet Innovation

4 projects
$1500

Zucchini Wallet

A self custody zcash browser wallet extension.

$6,500 total
$1000

Ghoul

Private Wallets, SDKs, and Confidential Explorers!

T
$2,500 total
$500

zkProf

Dox Yourself Privately with Zero Knowledge PFP

$2,000 total
$500

Shield

Zcash Chrome Extension Wallet

S
S
$2,000 total

Zcash Data & Analytics

4 projects
$1500

CipherScan

Zcash blockchain explorer. Privacy-first tools.

A
$9,000 total
$1000

Zcash explorer

explorer

$4,500 total
$500
C

Cipher Vault FHE Analytical Engine

Privacy-preserving analytics for Zcash using FHE

N
$3,500 total
$500

Z-Ray

Private Zcash explorer

M
M
Z
$500 total

Private Payments & Transactions

4 projects
$1500

Secure Legion

Secure Ping Pong Protocol Pure Privacy

E
$3,000 total
$1000

loofta pay

Crypto payments that just work.

L
$7,000 total
$500

Zapp - Private QR Payments

just Zapp it

R
$7,500 total
$500

Assura Network

Seamless transactions, zero footprints.

$500 total

Creative Privacy Applications

4 projects
$1500

Zord Protocol

ZORD is an ordinal‑style metaprotocol on Zcash

$3,000 total
$1000

Zerdinals

Zcash inscriptions

L
$1,000 total
$500

Zcast

Privacy data has a voice.

O
$2,000 total
$500

Zcash Tunnels of Privacy

Privacy matters. Gaming should too.

J
$500 total

Privacy-Preserving AI & Computation

4 projects
$1500

Zcash Shielded Philanthropy Agent (ZSPA)

The AI agent that helps you spend your ZEC wisely

M
$4,000 total
$1000

ZecFlow

Build Private Agentic Web3 Workflows with Nillion

U
$3,500 total
$500

ZULU.CASH

Your intelligence. Your memory. Your machine.

A
$500 total
$500

Qilin

A privacy-preserving Agent platform for Near

$5,500 total