Opportunities

Build AI agent payment solutions on Cardano using x402 in a 36-hour hackathon focused on agent-to-agent payments and autonomous services. Op

TOKEN2049 Origins Hackathon

The Sui Foundation funds university research projects that advance Web3, focusing on blockchain technology, smart contract programming, and

Sui Academic Research Awards

Aleo offers grants ranging from $10,000 to $100,000 for developers of intermediate and advanced levels to build components and explore the A

Aleo Blueprint Grants

The Aleo Proof of Useful Work Blueprint Grant funds developers to create Leo programs that encode computational problems such as climate mod

Proof of Useful Work Blueprint Grant

The OpenAI Foundation is offering $50 million in grants for 2026 to support U.S.-based nonprofits exploring how AI can advance their mission

People-First AI Fund

Gitcoin DAO is seeking vendors, collectives, or individuals to run a phased community reboot across three workstreams: recruiting 10–30 GTC

The CipherScan 2026 grant proposal seeks funding to evolve the existing CipherScan Zcash explorer into a privacy intelligence platform. It t

The GWDC Hackathon 2026 Korea is a 48-hour event where developers build innovative Web3 applications addressing real-world challenges from l

GWDC Hackathon 2026 Korea

Input | Output Research (IOR) is issuing a call for proposals under the Cardano Vision initiative to fund fundamental research in blockchain

Cardano Vision

The Stanford IOG Research Hub provides $4.5M in funding over 3 years for blockchain research projects. Funding is available to faculty, unde

Stanford IOG Research Hub

Aleo offers grants and bounties for developers to contribute to its open-source ecosystem, including the Leo programming language, snarkOS,

Aleo Community Grants Program and Aleo Feature Bounties Program

The Sui Foundation has revamped its Request for Proposals (RFP) grant program to support developers building on the Sui blockchain. The prog

Request for Proposals (RFP) Grant Program

Aleo offers grants to support the development of privacy-first applications on its blockchain. Developers and teams building on Aleo can app

The Aleo Developer Grants Program funds open-source projects built on the Aleo network. Grants are available for individuals, teams, nonprof

Developer Grants Program

The Aleo Proof of Useful Work Blueprint Grant funds developers to create solutions for substantial computational problems using zero-knowled

Proof of Useful Work Blueprint Grant

Aleo's Developer Grant Program offers funding for developers building on the Aleo network using zero-knowledge technologies. Grants range fr

Aleo Developer Grant Program

Web3 Hackathon 2025 is a blockchain-focused event organized by Snapper Future Tech in India, inviting students, professionals, startups, and

Web3 Hackathon 2025

Aleo is offering grants to developers who submit approved Requests for Proposals (RFPs) to build Leo programs that encode computational prob

Proof of Useful Work Blueprint Grant

The Aleo Network Foundation offers grants of up to $100K to build privacy-first applications on the Aleo blockchain. Funding is milestone-ba

Developer Grants Program

The Internet Society Foundation is offering research grants to support innovative projects that deepen understanding of the Internet and its

Research Grant Program

The NRA Foundation is offering grants to support firearm safety, youth education, law enforcement training, conservation, and marksmanship i

The Zcash Community Grants Committee (ZCG) is seeking an independent contractor to provide note-taking services for biweekly Zcash Arborist

Zcash Community Grants Committee (ZCG)

The National Science Foundation invites proposals for projects that explore and research promising uses of blockchain technology in STEM edu

Partnerships for Innovation (PFI) and various EHR programs

The Wharton School and Penn Engineering are accepting proposals for the 2020 Ripple Blockchain Research Fund to support blockchain research

Ripple Blockchain Research Fund

The Stanford IOG Research Hub, funded by Input-Output Global, is offering research grants for blockchain science projects led by Stanford fa

Stanford IOG Research Hub

The Stanford IOG Research Hub is soliciting original research proposals in blockchain science from Stanford faculty and students for the yea

Stanford IOG Research Hub

The Input Output Research Hub (IORH), funded by Input-Output Global, is offering $1.5M in funding for original blockchain science research p

Input Output Research Hub (IORH)

The GWDC 2026 Korea Hackathon offers $100K in prizes and ecosystem support for AI × Web3 development projects. Open to global builders, team

GWDC 2026 Korea Hackathon

The Aleo Community Grants Program offers funding for projects that build reference applications on the Aleo blockchain, focusing on social m

Aleo Community Grants Program

The Stacks Endowment is offering grants to developers building Bitcoin-layer-2 projects focused on Bitcoin-native finance, including DeFi pr

Q2 2026 Builder Grants

The Stellar Community Fund (SCF) v7.0 offers grants across three tracks: Integration, Open, and RFP, supporting teams building on Stellar wi

Stellar Community Fund (SCF) v7.0

The Ika Foundation is offering funding through its Request for Proposals (RFP) Program to support teams building tooling, integrations, or n

RFP Program

Giga is seeking a vendor to develop an open-source prototype for a 'Connectivity Credit Marketplace' using blockchain tokenization to incent

The ENS DAO is running an open RFP to select a single provider for a live, revenue-generating ENS marketplace, funded from uncommitted SPP3

SPP3

Kraken offers quarterly open source development grants to support projects building on Bitcoin, Ethereum, Lightning, Monero, and other publi

Developer Grants

Aave Grants DAO is a community grants program that funds projects contributing to the Aave ecosystem, including applications, integrations,

The Uniswap Foundation provides grants to support teams building on Uniswap and related ecosystems, including Unichain. Funding is available

Uniswap Foundation Grants

Gitcoin Grants is a seasonal initiative that provides funding to early-stage builders through a combination of crowdfunding and grants using

Gitcoin Grants

The Arbitrum Grants directory lists multiple active and inactive grant programs from the Arbitrum Foundation, ArbitrumDAO, and partners like

The Ethereum Bug Bounty Program rewards individuals for discovering and reporting security vulnerabilities in Ethereum protocol specificatio

The Stellar Community Fund (SCF) provides funding and support for teams building on the Stellar blockchain, from ideation to launch and grow

≈ $27k

The Tezos Foundation offers grants to support projects that contribute to the long-term success of the Tezos blockchain, including core deve

Grant Program

Project Catalyst is a decentralized innovation engine that funds proposals from the Cardano community to solve real-world challenges. Anyone

≈ $4.0M

Rootstock Collective offers grants to builders working on projects at any stage, from initial ideas to scaling existing applications, to emp

Starknet Grants provide funding to builders and teams developing projects within the Starknet ecosystem. The program includes Seed Grants fo

Starknet Grants

≈ $33k

Sui offers multiple funding opportunities for builders, including the Hydropower accelerator program, Academic Research Awards providing $25

The Graph Grants Program funds open-source contributions to the Graph ecosystem, including protocol development, tooling, subgraphs, data se

The Graph Grants Program

The Aleo Network Foundation offers grants of up to $100K to build privacy-first applications on the Aleo blockchain. Funding is milestone-ba

Developer Grants Program

The Solana Foundation offers grants to support open-source projects that generate public goods for the Solana ecosystem. Applications are we

Solana Foundation Funding Program

The Ethereum Foundation's ESP program provides financial and non-financial support to projects that improve Ethereum's infrastructure, tooli

Ecosystem Support Program (ESP)

The GRAMO team is requesting 150,000 ALGO to fully open-source their blockchain-based loyalty and rewards platform under an MIT license. The

xGov

≈ $15k

StakeBaby (Skinny Bottle Ltd.) proposes a complete revamp of stakeglmr.com and stakemovr.com to improve flexibility, expandability, and user

The Ethereum Protocol Fellowship (EPF7) is accepting applications for its seventh cohort, offering a pathway for aspiring protocol developer

Ethereum Protocol Fellowship

This proposal funds research, economic modeling, protocol development, testing, and independent security review to implement a protocol-enfo

Celestia Sustainable Blob Economy Development and Audit Program

A fully on-chain hackathon hosted on the Internet Computer Protocol where participants can build applications using Neutron, a decentralized

The AlgoKit-Core working group is requesting retroactive funding of 88,888 ALGO for two months of high-intensity development (May–June 2026)

xGov

≈ $8,943

The Astar Peers Program Season 3.1 is seeking five community members to operate archive nodes for the Astar Network. Participants will gain

Astar Peers Program

This proposal seeks $23,000 USD over twelve weeks to complete the TypeScript resolver for NEP-641, enabling browser-based verification of of

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Unstoppable Community Grant

This proposal requests $75,000 USD to fund five independent challenger operators for 12 months to maintain Celo Challenger infrastructure. O

This proposal requests funding to continue and scale the Celo Communities Guild from July to December 2026, supporting moderation and engage

≈ $43k

The Morpho DAO is offering a grants pilot program with a total pool of 200,000 MORPHO tokens to fund projects that build tooling or infrastr

Morpho Grants Pilot Program

A three-week buildathon in Decentraland where creators design social experiences optimized for Decentraland Mobile. Participants build hango

Friendzone Buildathon

Willow Labs is seeking $30,000 in funding to deliver a zero-knowledge proof of Lido's exact registered validator set and consensus-layer bal

The Interchain Foundation (ICF) Ecosystem Growth Delegations program is seeking a provider to operate a sponsored PebbleDB snapshot service

Ecosystem Growth Delegations

The Kusama ZK Bounty funds projects that bring zero knowledge privacy infrastructure to Kusama, with a focus on making privacy-native tools

Kusama ZK Bounty

This RFP seeks to develop a decentralized quadratic funding solution on Substrate for integration into Kusama, Polkadot, or other Substrate-

Grants Program

A proposal for a Builder Grant to fund the integration of the Ag^τ semantic compression engine into the Optimism OP Stack (op-node / op-batc

Builder Grants

A solo systems developer is requesting a Builder Grant of 10,000 OP to fund the development of OP Security Proxy, an open-source JSON-RPC mi

Builder Grants

≈ $1,012

The Olympix Security Grant on Arbitrum provides up to 12 teams preparing for audit with full access to the Olympix platform, including stati

Olympix Arbitrum Security Grant

This RFP seeks proposals to research and implement anti-collusion mechanisms for blockchain voting systems, such as on-chain quadratic fundi

Grants Program

This RFP aims to fund the development of an easy-to-use front-end platform for on-chain analytics in the Polkadot & Kusama ecosystems, enabl

Grants Program

summary':

Grants Program

This RFP seeks teams to continue or independently implement a Move virtual machine pallet for Substrate-based chains, building on initial wo

Grants Program

A request for proposals to build a decentralized security marketplace enabling projects to find auditors and whitehats for structured securi

Grants Program

The Arbitrum Foundation is offering a one-year security program to fund AI-assisted screening, full audits, bug bounties, and Security Counc

Arbitrum Security Program

Create and maintain a comprehensive test-suite for conformance of core functionalities of Polkadot Host implementations against the official

Grants Program

This RFP seeks teams to implement tools that enable the traditional finance industry to leverage Substrate and ink! smart contracts for inte

Grants Program

A fully client-side web application that enables searching and interacting with on-chain identities in Substrate-based chains like Kusama an

Grants Program

This RFP seeks proposals for a white-label front-end template that enables Polkadot parachain teams to easily build crowdloan contribution w

Grants Program

This RFP seeks proposals for data analysis tools that provide advanced blockchain data insights for Substrate-based chains, particularly Pol

Grants Program

The Web3 Foundation seeks proposals to develop static analysis tools for Substrate runtime pallets to detect vulnerabilities such as incorre

Grants Program

Funding to develop an offline election tool that accurately predicts Polkadot validator election outcomes, including active set composition

Grants Program

The Web3 Foundation is seeking additional implementations of the Polkadot Host, the stable environment in which the Polkadot runtime execute

Grants Program

The Arbitrum D.A.O. Grant Program Season 3 is a one-year initiative divided into five domains—New Protocols and Ideas, Education/Community G

D.A.O. Grant Program Season 3

The Web3 Foundation seeks proposals to develop tools and libraries that improve XCM (Cross-Consensus Messaging) functionality, including tes

Grants Program

The Web3 Foundation seeks teams to maintain and improve the browser-based ink! Playground for editing, compiling, and sharing ink! smart con

Grants Program

The Web3 Foundation is seeking proposals to implement an ink! smart contract block explorer. Ink! is a domain-specific language for writing

Grants Program

The Optimism Governance Fund allocates OP tokens to support DeFi ecosystem growth through grants managed by the Grants Council and Developer

Season 9 Governance Fund

≈ $493k