Piggy Wallet: Kids' crypto savings app. Featuring time-locked savings, USDC auto-swaps, goals, task bounties, AI coach, parental controls. Combats hyperinflation, boosts financial literacy.
$8,000 · Morph · Consumer Centric Track · +4 more
C
Circle
$38
- Prize money awarded
- $86,500
- Prizes
- 46
- Winning projects
- 46
- Hackathons
- 10
- Largest prize
- $2,500
- Active
- 2022–2025
What they reward
Tech their winners favour
Share of Circle's winners using it, against all entries at the same hackathons.
Recurring prizes
Tracks offered at more than one hackathon.
- Build a Multichain USDC Payment System3 hackathons · about $4,000 · last 2025
- Enable end users to pay for gas using USDC3 hackathons · about $2,000 · last 2025
- Build with Circle's Cross-Chain Transfer Protocol3 hackathons · about $2,500 · last 2024
- Build with Circle's Web3 Services3 hackathons · about $6,000 · last 2024
- Build with USDC/EURC3 hackathons · about $1,500 · last 2024
- Create a Gasless Experience2 hackathons · about $2,000 · last 2025
- Build a Smart Wallet with Dynamic Security Controls2 hackathons · about $2,000 · last 2025
- Best Application for Crypto Capital Markets2 hackathons · about $2,000 · last 2024
Hackathons
- Buenos Aires Nov 21–23, 2025$10KGold5$10K
- New York 2025 Aug 15–17, 2025$10KGold5$10K
- Cannes Jul 4–6, 2025$10KGold5$10K
- Taipei Apr 4–6, 2025$10KGold5$10K
- Bangkok Nov 15–17, 2024$10KGold5$10K
- San Francisco Oct 18–20, 2024$10KGold3$6.5K
- Singapore Sep 20–22, 2024$10KGold5$10K
- Brussels Jul 12–14, 2024$10KGold5$10K
- London Mar 15–17, 2024$10KGold5$10K
- NFTHack 2022 Jan 14–16, 2022––3–
Winners
All 46 winning projects →
Improve your fitness goals while also exposing yourself to immense monetary gain.
$6,500 · SKALE Network · Best Use of Zero Gas Fees · +3 more
A real time Gaming prediction protocol built on Arbitrum Staylus
$5,500 · Arbitrum · Stylus Project · +1 more
AI Employee Bender: get AI advices based on previous winners, vote for other project and get prices and meet friends!
$5,000 · Circle · Build with Circle's Web3 Services · +1 more
PayWiser is a next-generation payment platform that removes the friction of traditional transactions
$5,000 · Saga · Best dApp built on Saga Chainlet · +2 more
CrossMeter - Zero code billing infrastructure for web3 - Seriously.
$4,833 · Circle · Build a Multichain USDC Payment System · +1 more
SimplifAI: Making Crypto Easier for Me, for You. Our AI assistant simplifies crypto with voice commands & an AI portfolio manager. Features: Voice Commands, Real-Time AI Analysis, AI Portfolio Manager, Trusted Execution, Real-Time Notifications.
$4,577 · 1inch · Track Portfolios with 1inch · +2 more
Universal DeFi router: one-click access to any DeFi instrument across chains via Global IDs
$4,500 · Circle · Best Smart Contracts on Arc with Advanced Stablecoin Logic · +1 more
Naga Banking is a suite facilitating bank operations when interacting with tokenized assets.
$4,077 · Circle · Build with Circle's Web3 Services · +2 more
Health in your hands: AI consults, NFT records, and seamless USDC payments with VoiceDoc.
$4,000 · Chainlink · Connect the World with Chainlink · +1 more
OSY auto-allocates your USDC to the highest APY across DeFi, cross-chain & effortless.
$4,000 · Circle · Build a Multichain USDC Payment System · +1 more
A budget allocating system using Circle API and ENS to provide a seamless experience with crypto-currency money transfer inside an organiosation.
$3,750 · Circle · Best Applications for Emerging Use Cases with Circle Products · +1 more