Past Hackathon Projects on Circles

Here are some of the past hackathon projects built with Circles. You can use these as a reference or to get inspiration of what kind of applications to build.

1. EthGlobal Brussels 2024

BraceBuddy allows to onboard easily and in a fun way people to the Circles ecosystem with NFC!

BraceBuddy | ETHGlobalethglobal

First Prize

Woleth is an easy to use EVM wallet embed into Telegram designed to build a Social Graph utilizing Circle's invite mechanism.

woleth.eth | ETHGlobalethglobal

Runner Up

Famjam is a dapp that uses Circles to create a family currency to incentivize kids for good behaviour.

Famjam | ETHGlobalethglobal

Runner Up

2. EthGlobal Singapore 2024

Voting with UBI is a dapp which implements a voting mechanism for DAOs by utilizing Circles group tokens.

Voting with UBI | ETHGlobalethglobal

3. EthGlobal Prague 2025

Circles Subscriptz allows users to securely, trustlessly & smoothly authorize recurring payments.

Circles Subscriptz | ETHGlobalethglobal

Winner of Blockscout Explorer Pool Prize