TheDAO Fund launches ETHSecurity Initiatives Round Two with up to $600K for a formally verified Vyper compiler

The second Ethereum security funding round features multiple RFPs targeting core protocol infrastructure. The formally verified Vyper compiler grant is the headline offering, signaling a push toward higher assurance standards for smart contract tooling.

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Colosseum opens SF IRL residency for Crypto World's Fair founders — includes accelerator interview for next web3 batch

Selected founders get in-person desk and monitor access at Colosseum's San Francisco office, alongside a direct interview slot for the upcoming Colosseum web3 accelerator cohort. This is a rare chance to combine physical workspace with a fast track into one of crypto's more competitive accelerator programs.

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Arbitrum Foundation launches Founder House Singapore — up to $300K USDG in prizes and grants for builders on Arbitrum One and Robinhood Chain

The three-day, in-person program is designed for early-stage founders shipping real products, combining hands-on mentorship with direct access to substantial grant funding. It represents one of the more accessible on-chain builder opportunities in the Asia-Pacific region this cycle.

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Cardano PRIME launches DeFi RFPs targeting ship-ready teams to close audited capability gaps on-chain

Grant capital is tied directly to measurable TVL growth, meaning funded teams are expected to deploy production-ready solutions — not exploratory builds. Eligibility targets crypto teams with demonstrated execution capacity in the Cardano ecosystem.

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Ignix, X Layer, and TapeOut launch $14,000 TapeOut Genesis Transistor Hackathon for processors built on X Layer blockchain — deadline 6 Oct 2026

The online competition targets hardware-meets-blockchain builders, challenging participants to deploy processors directly on the X Layer chain. Open globally, this is a rare crossover opportunity for chip designers and crypto developers alike.

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Btrust Builders opens October cohort applications to train Africa's next generation of open-source Bitcoin and Lightning developers

The program targets aspiring developers across Africa, equipping them with hands-on skills in Bitcoin and Lightning Network development. It's a rare funded pathway into open-source Bitcoin engineering for a region with growing technical talent.

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Cypher Tank Season 2 opens applications for Bitcoin pitch competition in Lugano — three $100,000 prizes on the line, deadline 25 September 2026

Twelve finalists (eight for-profit, four nonprofit) will compete on 26-27 October for incubation, acceleration, or relocation support, with live investment negotiations in front of Honey Badger judges backed by the Plan B VC Fund and Plan B Foundation.

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Meteora launches two DBC Hackathon tracks worth up to $25K USDC for Solana builders working on launchpads and tokenized-stock experiences

The $5K Stocklana track closes September 25, 2026, while the larger $20K track runs through October 12, 2026 via Superteam Earn and Crypto World's Fair — both targeting web3 teams building next-generation token launch and on-chain equity infrastructure on Solana.

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Circle Foundation awards inaugural CDFI grants to Accion Opportunity Fund and Pacific Community Ventures for crypto-adjacent finance tools

The grants mark Circle's first foray into community development finance, backing two established CDFIs to build blockchain-integrated tools aimed at underserved communities. The move signals growing institutional interest in bridging decentralized finance with mission-driven community lending.

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Ethereum Foundation opens rolling applications for free booth space at Devcon 8 in Mumbai for public-goods teams

Crypto and web3 nonprofits focused on public goods can apply for complimentary exhibition space at one of Ethereum's flagship global events. The Impact Program is designed to amplify mission-driven projects that might otherwise lack the resources to participate.

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Google Gemma Hardware Hackathon opens applications for on-device AI builder event on October 24 in Hillsborough, CA

The one-day event is part of Open Source AI Week and invites builders to create hardware and robotics projects powered by Google's open-source Gemma models running directly on-device — no cloud required.

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Arbitrum launches ongoing Open House Online Buildathon for developers building on its L2 network

The buildathon is open to builders creating blockchain products on Arbitrum, one of Ethereum's leading Layer 2 scaling solutions. It runs as a continuous online competition, giving developers a flexible window to build, ship, and compete for grants and recognition.

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Shutter DAO 0x36 launches Impact Pilot grants program — Round 1 applications open through October 9, 2026

The program targets builders and contributors ready to pilot integrations or push forward meaningful opportunities within the Shutter ecosystem. Projects that demonstrate tangible, real-world impact on the network are encouraged to apply.

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Superteam Balkans hosts Buildstation Belgrade for Colosseum Crypto World's Fair builders, Oct 5–13 — rolling applications open now

The in-person coworking and demo day brings blockchain builders together in Belgrade for hands-on collaboration and showcasing. Targeted at Colosseum ecosystem builders, it's a rare opportunity to build, network, and present in-person in the Balkans region.

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All: there was a link shared here titled

ZK Prime Capital opens rolling $5K–$75K non-dilutive grants for on-chain AI agents, DeFAI, and zero-knowledge infrastructure teams

This link has since been deleted as it was reported to me as a possible phishing attempt. Please do not click or share it.

Circle Foundation awards crypto grants to UNDP and WFP to scale stablecoin payments for humanitarian aid

The initiative pilots digital stablecoin infrastructure within two of the world's largest development and relief organizations, signaling growing institutional adoption of blockchain-based payments for real-world impact in underserved regions.

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Circle Arc launches tiered grant program — Microgrants, Developer Grants, and Builders Fund — for teams building on Arc mainnet

Three open funding tracks target developers creating money applications and autonomous financial agents on Circle's Arc infrastructure. Teams at any stage can apply, with support scaling from early experiments to full-scale builds tackling global payment and machine commerce use cases.

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