Open bounties for builders.
7 open · human-verified · updated daily
Paid bounties you can ship this week — open-source, security and ecosystem tasks with cash rewards.
Immunefi Bug Bounties
Web3 security bug-bounty marketplace where researchers report smart-contract and protocol vulnerabilities for rewards.
Superteam Earn
Bounties, projects, and grants from Solana-ecosystem teams for developers, designers, and content creators.
Gitcoin Grants
Quadratic-funding rounds where community donations plus matching pools reward open-source and public-goods projects.
Algora OSS Bounties
Open-source bounty platform where maintainers attach cash rewards to GitHub issues and pay contributors on merge.
Questbook Grants & Bounties
Decentralized grants and bounties platform where web3 ecosystems run programs and pay builders onchain.
HackerOne AI Red Teaming & Bounties
Bug-bounty and AI red-teaming engagements where security researchers test models and applications for vulnerabilities.
ETHGlobal Hackathon Bounties
Sponsor-funded prize pools and bounties offered to builders at ETHGlobal's online and in-person hackathons.
Bounties, answered
Where can I find paid bounties for builders?
Tensor Hack aggregates open bounties from platforms like Gitcoin, Superteam Earn, Algora and Immunefi (web3 security), plus AI-specific programs. Each links to the original bounty so you submit at the source.
How much do bounties pay?
From a few hundred dollars for small open-source tasks to multi-million-dollar web3 security bug bounties on Immunefi. The reward is shown on each listing where it's public.
Do I need to be on a team to claim a bounty?
Usually no — most bounties are open to individual builders. Read the platform's rules on the linked page.
Get The Wire. The grants, bounties and hackathons closing soon — one email a week.