Base Ecosystem Fund
Base Ecosystem Fund: pre-seed and seed investment with Coinbase Ventures. An investment, not a grant.
The Base Ecosystem Fund is Base's strategic investment arm, run with Coinbase Ventures, writing pre-seed and seed cheques into startups that choose Base as their home. It is an investment, not the Base Builder Grant: you give up equity or tokens, and the bar is a company, not a project.
As of October 2026: the fund is investing through base.org/ecosystem-fund with no deadline. It also runs Base Batches, Base's in-house accelerator, which offers a $100K investment twice a year; Batch 004 applications closed September 10, and its Demo Day is in New York on November 17, 2026. Base itself is still tokenless.
What does the fund give you?
Pre-seed or seed investment, in equity and token-based deals. Cheque sizes and fund size are not public, so treat any number you see quoted as unverified. Beyond capital: hands-on help with partner integrations and distribution, credits from AWS, Azure, Alchemy and Spindl, and priority access to Coinbase Prime, Coinbase Business and the Coinbase Onramp API. That last one is the real edge, because a pre-seed team cannot buy priority on Coinbase's rails.
Who does it back?
Trading, payments, AI agents and other onchain businesses. Portfolio names include Aerodrome, Avantis, Limitless, B3, Exactly Protocol and Bankr. The fund calls itself borderless and team-centric.
My take: "Most founders apply to the wrong Base program." If Coinbase's rails would not change your product, the Base Builder Grant is the better first step.
The honest catch
You need a real company with an entity, because there has to be something to invest in. The fund also sources deals through ecosystem activity and referrals, so a cold application with nothing live on Base is weak.
Stack it
Full comparison: Base Ecosystem Fund guide . Bankr , one of the fund's portfolio companies, shows what a Base-native product looks like in practice. Cannot build it yet? We ship it with you at Deployr ; portfolio at ceoism .
How you earn
You get Base Ecosystem Fund investment by building a company on Base, showing onchain traction, and pitching through the fund's application page.
Cheque sizes are not publicly disclosed. Can't build it yet? We ship it with you at build.airdropsea.app; portfolio at ceoism.com.
Start from our tested airdropSEA link, then bring it back to your crew so you learn and earn together.
Apply to the Base Ecosystem Fund ↗Join airdropSEA, learn Base Ecosystem Fund with your crew, and turn the skill into a reputation projects will pay for.
Join airdropSEAResearch, not financial advice. Verify independently.