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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Zcash Coinholder Directed Retroactive Grants Q3 2026 distributes $8.37M across 16 completed projects — including a $1.5M total payout to DefuseSec

The program rewards builders for work already shipped, with coinholders voting directly on fund allocation. The DefuseSec award, split between a $750k bounty and $750k bonus, signals strong community appetite for security-focused contributions.

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Celo Developers launches Agents on Open Rails Hackathon with $5,000 in prizes — submissions open October 6 through November 9, 2026

Four tracks target real-world use cases: LatAm stable payments via Ripio wFIAT ($2,000), cross-border FX corridors on Textile ($1,000), USA₮ x402 settlement ($1,000), and Celo's x402 marketplace ($1,000). Participating teams also receive three months of Chainstack's Growth Plan.

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Exponential Science opens rolling call for project proposals — up to $15,000 for blockchain and AI research

Eligible topics include RWA tokenization, decentralized identity, onchain AI trust layers, and tokenized financial instruments. PhD holders are the default applicants, though significant industry experience is considered; funding is disbursed in two tranches tied to interim and final reports.

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Craftora x Blockscout PRO API Buildathon awards $1,200 USDC to builders who ship a working dApp across two judged October sprints

Participants build an MVP in Sprint 1 (Oct 8-21), then refine and finalize in Sprint 2 (Oct 25-31), with Blockscout PRO API required as a core dependency — final judging runs Nov 1-3 and the prize is paid in USDC.

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Solana launches Scholars Program — a funded 3-month research internship for PhD students working directly with core engineers

Selected scholars will collaborate with Solana's engineering team across specialized tracks including consensus, networking, cryptography, and economics. Applications are open now, with full program details available on the Solana website.

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Stellar Find Your Way hackathon opens with $5,000 USDC prize pool ahead of HackMeridian2026

Projects can span payments, tokenization, dev tooling, wallets, identity and beyond, with submissions due October 6 via the Stellar Passport hackathon page.

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Shutter DAO 0x36 opens Impact Pilot Round 1 with $1k–$3k crypto grants, deadline Oct 9, 2026

Seven categories are in scope, including encrypted-mempool integrations and private voting, aimed at builders pushing privacy and impact in the ecosystem. Applications close Oct 9, 2026.

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