LIVE OPPORTUNITIES

Arc & Circle
Grants & Hackathons

All active grants, bounties, and hackathons from the Arc and Circle ecosystem — updated and curated for builders.

3
OPEN NOW
6
TOTAL LISTINGS
$100K
MAX PRIZE
6 RESULTS
C
GRANTOPENCircle
Circle Developer Grant Program

Milestone-based funding for teams building production-grade apps on Arc & Circle platform. Focus areas: payments, treasury, FX, agentic economy.

USDCArcPaymentsAI Agents
REWARD
$5K – $100K USDC
DEADLINE
Rolling
APPLY NOW →
A
BOUNTYOPENArc
Arc Bug Bounty Program

HackerOne-hosted security bounty for Arc testnet. Submit reproducible findings on network safety, liveness, or correctness. Test locally only.

SecurityHackerOneTestnet
REWARD
Varies
DEADLINE
Ongoing
APPLY NOW →
E
HACKATHONLIVE NOWETHGlobal x Arc x Circle
ETHGlobal New York 2026

In-person ETHGlobal hackathon. Circle sponsoring Arc-track bounties for stablecoin payments, wallets, and onchain financial apps. Build chain-abstracted USDC apps using Arc as liquidity hub.

ETHGlobalArcUSDCIn-PersonNew York
REWARD
Arc Track Bounties
DEADLINE
Jun 12–14, 2026
APPLY NOW →
E
HACKATHONUPCOMINGETHGlobal x Circle
ETHGlobal Lisbon 2026

Next major ETHGlobal in-person hackathon. Circle & Arc expected to sponsor bounty tracks based on 2026 pattern. Build on Arc testnet for prizes.

ETHGlobalLisbonArcUSDC
REWARD
TBA
DEADLINE
Jul 24–26, 2026
APPLY NOW →
L
HACKATHONENDEDArc x Circle x lablab.ai
Agentic Economy on Arc Hackathon

Hybrid hackathon using Circle Nanopayments + Arc for sub-cent agentic transactions. $10,000 prize pool. Online + SF on-site finale.

NanopaymentsAI AgentsUSDClablab.ai
REWARD
$10,000 USDC
DEADLINE
Apr 20–26, 2026
VIEW RECAP →
E
HACKATHONENDEDETHGlobal x Arc x Circle
HackMoney 2026 — Arc Track

155 teams built on Arc Testnet. $10,000 USDC awarded across 3 tracks: chain-abstracted USDC apps, global treasury systems, agentic commerce.

ETHGlobalCCTPAI AgentsTreasury
REWARD
$10,000 USDC
DEADLINE
Mar 2026
VIEW RECAP →
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