A curated feed of external bounties from Algora, Gitcoin, OnlyDust, HackerOne, and more — filter by platform, skill level and reward, then jump straight to the source.
15
$110.4k
196
8
External bounties across 8 platforms. Click through to apply on the source site.
Reward
$3.5k
USD
Create a typed client SDK wrapping AVNU paymaster endpoints with React hooks, unit tests, and a working demo dApp for gasless ERC-20 transfers.
Reward
$2.4k
USD
Port an existing Pages Router starter kit to App Router with RSC streaming, partial prerendering, and full TypeScript coverage. Ship with passing e2e.
Reward
$1.2k
USD
Ship a one-click Replit deploy template that embeds, stores and queries docs with pgvector plus streaming chat UI. Include onboarding video.
Reward
$50k
USD
Responsible disclosure bug bounty on live mainnet contracts. Top reward reserved for smart-contract CRITICAL-severity findings with PoC.
Reward
$12k
USD
Private invite program; only in-scope testing on the latest iOS build. No social engineering or phishing allowed.
Reward
$9k
USD
Review a Groth16 circuit for soundness and constraint efficiency. Submit report with recommended refactors and benchmark deltas.
Reward
$7.5k
USD
Scope covers customer portal & GraphQL gateway. Rewards scale with CVSS severity; duplicates disqualified. Safe-harbor policy in effect.
Reward
$6.5k
USD
Prototype PySyft-based federated pipeline across 3 simulated hospitals with differential privacy. Open-source MIT.
Reward
$5k
USD
Design a Rust-based indexer that supports Ethereum, Base and Optimism. Must stream events via Websocket and persist to Postgres with reorg handling.
Reward
$4.2k
USD
Implement proposal, voting and timelock contracts in Rust for Stellar Soroban. Include full test suite and deployment scripts.
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