Who funds them, what they fund and how to apply.
A Sia Foundation funding program for open-source tools and applications supporting user-owned data. Intake for new proposals was paused on June 25, 2026 through the end of Q3 while the Foundation completes a long-term program strategy; approved projects continue during the pause.
Solana Frontier Hackathon offers $3M in prizes and pre-seed funding for teams building on Solana. Colosseum’s largest online startup competition and accelerator provides $3M+ in total prizes and pre-seed investment for top teams. The deadline is May 11, 2026.
new hackathon with a $3,000 prize pool! build reactive dapps on somnia's layer 1 blockchain and showcase the future of real-time web3 applications. february 25 - march 20, 2026 register here: https://dorahacks.io/hackathon/somnia-reactivity/detail [Mon, 23 Feb 2026 17:38:02 GMT]
A historical Optimism-funded security program delivered with Spearbit and Immunefi for large protocols building on Optimism. It funded competitive bounties for critical vulnerabilities under Proposal Tier 42: Phoenix. The governance proposal is archived and the program is concluded.
Accelerator for startups building DeFi, payments, and RWA products on Stellar or for EMEA; up to $150,000 in XLM initial development funding from the Stellar Development Foundation, with possible follow-on grants.
Ston.fi Vibe Coding Hackathon offers $250, $150, and $100 prizes plus a $700 shared pool for building TON apps using vibe coding and AI tools. The event provides real infrastructure from ston.fi and tonstakers and is limited to 25 participants. Applications are due April 12, 2026.
Milestone-based accelerator funding up to $200k/team for pre-token Sui projects, co-run by Brinc and CoinList. The first cohort application window closed January 17, 2025. No later cohort has opened.
Tenfold Polybrain Season 2 used an AI grant allocator to select Polygon ecosystem projects, with five teams advancing to milestone-gated awards of up to 40,000 POL each. The final February 2026 update records four completed projects and one incomplete project, with payouts tied to delivered milestones.
Polygon Community Treasury grants administered by Thrive Protocol for consumer crypto builders across eight categories. Season 1 offered $800,000 in MATIC, received 255 applications, and selected 25 projects.
TON Blockchain announces results of its AI Agent Tooling Fast Grants. The program received 40 submissions and selected 14 winners, distributing $14k in total. Winners developed tools, SDKs, infrastructure primitives, and A2A building blocks to accelerate AI agent development on TON. Results were announced on March 5, 2026.
UNICEF Venture Fund is inviting startups in emerging markets to apply for mentorship and equity-free funding of up to US$100,000 in ETH, BTC, or USDC for onchain solutions focused on social good. The call targets ready-to-deploy projects that leverage crypto technology. Applications are open until the deadline of March 10, 2026. More details on eligibility and requirements are available via the provided link.
A Uniswap Foundation and Butter pilot that used conditional funding markets to direct up to $900,000 in grants to lending protocols expected to grow Unichain TVL. The first market awarded $100,000 to Morpho; the second offered two $400,000 grants.
A completed six-week online Uniswap Foundation accelerator for early-stage startups and projects integrating the Uniswap API suite. The program selected 15 to 20 teams for technical support, mentorship, masterclasses, AWS credits, and a Startup World Cup fast pass.
Uniswap Foundation Security Fund is offering audit subsidies of up to 100% coverage for teams building with Uniswap v4 hooks or Trading APIs. The program also provides pre-audit scans and security guidance. Eligible projects can receive full audit cost coverage through the fund.
A concluded co-branded grant program between Uniswap and the Arbitrum Foundation, awarding $50,000-$250,000 in ARB tokens to protocols, marked "Program Complete" on the Foundation's grants page.
The first global 1inch hackathon ran online with ETHGlobal from July 25 to August 6, 2025. The 1inch Foundation funded the event's title partnership with the equivalent of $300,000 in 1INCH.
Web3 Foundation's open grants program, which funded open-source software development and research around Polkadot, Kusama, Substrate, and ink! in quarterly waves. Historical levels ran from Level 1 (up to $10,000) to Level 3 (unlimited), with at least 50% typically paid in vested DOT. The program has been discontinued and no longer accepts applications, in favor of Targeted Strategic Funding and the Decentralized Futures program.
World Build 3 supported founders building World apps on OP Mainnet with grants of up to $200,000, travel support, and mentorship. Applications for this cohort closed on April 23, 2026.
Status describes whether a program is running. Application methods are recorded separately. Read the funder’s terms before applying.