Find a Project

Check out the projects created at past events

GreenChain banner

GreenChain

Track emissions, auto-buy & retire carbon tokens via PYUSD with private, auditable ESG data.

ETHOnline 2025
Gamepayx banner

Gamepayx

GamePayX — instant off-chain game payments with on-chain cross-chain settlement.

ETHOnline 2025
Yield0x banner

Yield0x

An app that allows you to deposit unified USDC on the highest yield generating markets

ETHOnline 2025
RaaS banner

RaaS

Verifies work, automates milestone payouts, and builds onchain reputation for freelancers and teams

ETHOnline 2025
Kred banner

Kred

Web3 for the next billion. Send crypto & get loans via SMS. No internet needed.

ETHOnline 2025
Re:Bet banner

Re:Bet

Gasless prediction markets for research with Yellow SDK state channels

ETHOnline 2025
AlgaeOS banner

AlgaeOS

PYUSD-powered algae biomass marketplace on Base with Pyth & Blockscout.

ETHOnline 2025
Seamless Pay App banner

Seamless Pay App

My project consists in a mobile app that allows c2c, and b2c payments using PYUSD

ETHOnline 2025
SafeSend bannerprize

SafeSend

Stablecoin payments that protect you — automatic refunds when fraud is attested.

ETHOnline 2025
NeriaAI bannerprize

NeriaAI

Neria is a human-AI platform transforming AI outputs into permanent, verifiable knowledge assets

ETHOnline 2025
Pygo banner

Pygo

A service that allows users to send PYUSD and check crypto prices over SMS

ETHOnline 2025
KickTheMarket & Jpot banner

KickTheMarket & Jpot

Kick the market is a game where you have to kick the market to go bullish.

ETHOnline 2025
ViVault bannerprize

ViVault

Automated crypto vault: on-chain volatility monitoring + auto-rebalancing. Your assets are protected

ETHOnline 2025
Anonymous News Forum banner

Anonymous News Forum

Anonymous, censor-resistant news powered by World ID, Lit Protocol, and IPFS.

ETHOnline 2025
PayStream bannerprize

PayStream

Payroll system automating multi-token, multi-chain employee payouts including PYUSD

ETHOnline 2025
Incendia (Auction) banner

Incendia (Auction)

A fully on-chain, anonymous auction protocol using Proof-of-Burn and zk-SNARKs.

ETHOnline 2025
TrustRaja banner

TrustRaja

TrustRaja - AI-Powered On-Chain Transparency Engine

ETHOnline 2025
Pulse Bridge banner

Pulse Bridge

A doctors marketplace to connect with patients and get payments via crypto.

ETHOnline 2025
Xersha banner

Xersha

Making saving a social adventure. Turn your financial goals into shared milestones with friends.

ETHOnline 2025
AfterPulse banner

AfterPulse

Connect MetaMask, lock ETH with nominees, and send pings to confirm activity

ETHOnline 2025
StableGuard.AI bannerprize

StableGuard.AI

Stable coin portfolio manager , among the stable coins of a user, the ai agent team rebalacnes it.

ETHOnline 2025
Pylend banner

Pylend

DeFi lending protocol - lend PYUSD for yield or borrow against crypto collateralRetry

ETHOnline 2025
Stable Rent banner

Stable Rent

StableRent is a tool for property owners and renters to use Stablecoin digital assets.

ETHOnline 2025
Pay2Earn banner

Pay2Earn

Pay2Earn: Pay Subscription with PyUSD, earn 4%+ APY via Morpho. Providers cut churn! 💸 #DeFi

ETHOnline 2025
Stark Overflow banner

Stark Overflow

💡 Decentralized Q&A platform rewarding knowledge sharing EVM compatible

ETHGlobal Buenos Aires
HackathAttest Agent banner

HackathAttest Agent

AI Agent to help Hackathon participants explore past Hackathons. Also could emit attestations.

ETHOnline 2025
DeHack banner

DeHack

Decentralized Hackathon Space: Transparent Funding / Fair Execution

ETHOnline 2025
CrossDonate banner

CrossDonate

The universal donation layer for Web3. One address, any token, seamless cross-chain giving.

ETHOnline 2025
StakED bannerprize

StakED

StakED: A decentralized platform where student stake on their tests and earn from real results.

ETHOnline 2025
Aphasia banner

Aphasia

Chrome extension with on-chain verified reviews + AI recommendation agent powered by Hedera

ETHOnline 2025
EchoLink bannerprize

EchoLink

A Decentralized knowledge marketplace: mint AI NFTs and earn whenever someone learns from you.

ETHOnline 2025
Yieldera banner

Yieldera

YIELDERA is the 1st AI-powered Automated Liquidity Manager on the Hedera blockchain.

ETHOnline 2025
Dripay banner

Dripay

Decentralized real-time money streaming on Hedera with payment links and QR codes.

ETHOnline 2025