Reactive Omni Buildathon: $5,500 in prizes, paid in REACT
Reactive Network is running the Reactive Omni Buildathon from November 5 to December 5, 2026, on DoraHacks, to test its new Omni version (CometBFT, ~1-second blocks), with three tracks: Every Second Counts (latency-sensitive DeFi on Unichain Sepolia and/or Base Sepolia; $2,000 first, $250 runner-up), Set It and Forget It (personal automations; $2,000 first, $250 runner-up) and Reactive Meets AI ($1,000 first). Repositories must be public and open source at submission.
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Reactive Network is running the Reactive Omni Buildathon from November 5 to December 5, 2026, on DoraHacks, to test its new Omni version (CometBFT, ~1-second blocks), with three tracks: Every Second Counts (latency-sensitive DeFi on Unichain Sepolia and/or Base Sepolia; $2,000 first, $250 runner-up), Set It and Forget It (personal automations; $2,000 first, $250 runner-up) and Reactive Meets AI ($1,000 first). Repositories must be public and open source at submission.
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X (formerly Twitter)
Reactive Network on X: "Reactive Omni Buildathon: Thirty Days to Find Out What One Second Buys" / X
Tari Council November Build Contest (MVP): 1M / 500K / 250K XTM prizes
The Tari Council's November Build Contest asks builders to ship a minimum viable product on Tari in November, ahead of the Ootle launch on November 11. Entries may build on open-source code from earlier contest rounds. Code must be under an OSI-approved open source license; Tari Council members and Tari Labs employees are not eligible. Submit by replying to the official forum thread with code, app link, description, payment address and a public announcement post. Cutoff: 00:00 UTC, December 1, 2026.
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The Tari Council's November Build Contest asks builders to ship a minimum viable product on Tari in November, ahead of the Ootle launch on November 11. Entries may build on open-source code from earlier contest rounds. Code must be under an OSI-approved open source license; Tari Council members and Tari Labs employees are not eligible. Submit by replying to the official forum thread with code, app link, description, payment address and a public announcement post. Cutoff: 00:00 UTC, December 1, 2026.
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Tari Community
November Build Contest Thread: MVP!
It’s a new month, and time for another contest! Need help while developing? Start a new thread in development or come check out the development channel in our Discord! This month’s theme is MVP! In software, a Minimum Viable Product is something you could…
Arbitrum Foundation commits $300K to 9 teams from Founder House Singapore
The commitment supports the teams' next stage of growth; this is a results announcement, not an open call. In the General Track ($120K), Atoma took first prize of $60K, Kurtosis $40K, and Chainwall and WageFlow shared the $20K third prize.
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The commitment supports the teams' next stage of growth; this is a results announcement, not an open call. In the General Track ($120K), Atoma took first prize of $60K, Kurtosis $40K, and Chainwall and WageFlow shared the $20K third prize.
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Arbitrum
From Founder House Singapore to Market: $300K for 9 Standout Teams
Over the weekend, the Arbitrum Foundation hosted Founder House Singapore in collaboration with Robinhood Chain, bringing together 125 founders building the onchain products that will power the programmable economy.
Through direct feedback from industry experts…
Through direct feedback from industry experts…
Quick reminder for everyone still here: The AI and OSS grant wires have been heating up lately, with lots of new grants, hackathons and funding calls coming through:
AI: @aigrantwire
OSS: @ossgrantwire
Check them out if you're interested! 🫡
AI: @aigrantwire
OSS: @ossgrantwire
Check them out if you're interested! 🫡
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GoodDollar GoodBuilders Season 5: USD 50,000+ in G$ rewards
GoodDollar's GoodBuilders Season 5 funds new and returning teams building products with GoodDollar (G$), offering USD 50,000+ in G$ rewards streamed continuously through Flow State based on progress, plus weekly 1:1 mentorship, practical workshops and Demo Days. Kickoff and streaming start Nov 9. Application deadline: Nov 9, 2026. Apply: ubi.gd/gbuilders5-apply
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GoodDollar's GoodBuilders Season 5 funds new and returning teams building products with GoodDollar (G$), offering USD 50,000+ in G$ rewards streamed continuously through Flow State based on progress, plus weekly 1:1 mentorship, practical workshops and Demo Days. Kickoff and streaming start Nov 9. Application deadline: Nov 9, 2026. Apply: ubi.gd/gbuilders5-apply
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Flow State
Flow State - Streaming Funding Solutions
Continuous funding apps, payment tools, & incentive systems powered by Superfluid: Flow Councils, Flow Splitters, Flow QF, & more.
Hastra bug bounty: up to $100,000 in USDC for critical findings
Hastra launched a bug bounty program covering its vaults, contracts and site, paying up to $100,000 in USDC on Solana for a critical finding. Reports are submitted privately at bugbounty.hastra.io under coordinated disclosure, and testing must use a local fork or controlled simulation, not mainnet or public testnets. Ongoing; no deadline.
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Hastra launched a bug bounty program covering its vaults, contracts and site, paying up to $100,000 in USDC on Solana for a critical finding. Reports are submitted privately at bugbounty.hastra.io under coordinated disclosure, and testing must use a local fork or controlled simulation, not mainnet or public testnets. Ongoing; no deadline.
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X (formerly Twitter)
Hastra (@HastraFi) on X
The Hastra Bug Bounty Program is live.
Find a flaw in our vaults, contracts, or site, and get paid up to $100,000 in USDC on Solana for a critical finding. Every report goes through private submi…
Find a flaw in our vaults, contracts, or site, and get paid up to $100,000 in USDC on Solana for a critical finding. Every report goes through private submi…
Canton Foundation launches Canton Community Research Grants for research, education and advocacy
The Canton Foundation introduced the Canton Community Research Grants, a new discretionary program supporting independent research, education and advocacy that helps people understand Canton Network, from tokenomics and technical analysis to institutional use cases and educational content.
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The Canton Foundation introduced the Canton Community Research Grants, a new discretionary program supporting independent research, education and advocacy that helps people understand Canton Network, from tokenomics and technical analysis to institutional use cases and educational content.
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X (formerly Twitter)
Canton Foundation (@CantonFdn) on X
Introducing the Canton Community Research Grants.
A new discretionary program supporting independent research, education, and advocacy that helps people understand @CantonNetwork, from tokenomics…
A new discretionary program supporting independent research, education, and advocacy that helps people understand @CantonNetwork, from tokenomics…
Octant Epoch 13 results: 13 privacy projects funded, full 100 WETH matching pool allocated
Octant reported on November 4, 2026 that Epoch 13 funded 13 privacy projects and allocated its full 100 WETH matching pool. Octant's epochs are funded by the Golem Foundation. The same update shares a new report, written by Kairos Research with Golem Foundation and Ethereum Institutional, on how treasuries manage their ETH. This is a results update, not an open call.
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Octant reported on November 4, 2026 that Epoch 13 funded 13 privacy projects and allocated its full 100 WETH matching pool. Octant's epochs are funded by the Golem Foundation. The same update shares a new report, written by Kairos Research with Golem Foundation and Ethereum Institutional, on how treasuries manage their ETH. This is a results update, not an open call.
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Substack
Epoch 13 + new ETH treasury report
13 privacy projects funded and the full 100 WETH matching pool allocated. Plus, a new report on how treasuries are managing their ETH.
Base Stocks Maxxing: $100,000 in prizes for tokenized stock products on Base
Base announced Stocks Maxxing, a one-month competition to build the next generation of tokenized stock products on Base, with $100,000 in total prizes.
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Base announced Stocks Maxxing, a one-month competition to build the next generation of tokenized stock products on Base, with $100,000 in total prizes.
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X (formerly Twitter)
Base (@base) on X
$100,000 in total prizes
Introducing Stocks Maxxing: a one-month competition to build the next generation of tokenized stock products on Base ↓
Introducing Stocks Maxxing: a one-month competition to build the next generation of tokenized stock products on Base ↓
Amazon Research Awards, AWS Cryptography Fall 2026: up to $80,000 + $40,000 AWS credits
Amazon Research Awards' AWS Cryptography call for proposals (Fall 2026) funds academic research in areas including formal verification, fully homomorphic encryption, multi-party computation, privacy-preserving AI inference and training, and AI-security definitions. Selected principal investigators may receive up to $80,000 in unrestricted funds and up to $40,000 in AWS Promotional Credits, plus training with Amazon scientists. Submission period: October 1 to November 11, 2026, 11:59 PM Pacific; decisions in February 2027.
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Amazon Research Awards' AWS Cryptography call for proposals (Fall 2026) funds academic research in areas including formal verification, fully homomorphic encryption, multi-party computation, privacy-preserving AI inference and training, and AI-security definitions. Selected principal investigators may receive up to $80,000 in unrestricted funds and up to $40,000 in AWS Promotional Credits, plus training with Amazon scientists. Submission period: October 1 to November 11, 2026, 11:59 PM Pacific; decisions in February 2027.
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Amazon Science
AWS Cryptography call for proposals - Fall 2026
Setting the standard for cryptography at Amazon
Karma launched RFP Search with Ethereum Foundation support
RFP Search is an open index of Ethereum-ecosystem funding — grants, RFPs, hackathons, bounties and accelerators — with a public API, Atom/RSS feeds, MCP/agent skill, and a CC0 open standard, with about 170 listings at launch and every listing linking back to the funder's own apply page.
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RFP Search is an open index of Ethereum-ecosystem funding — grants, RFPs, hackathons, bounties and accelerators — with a public API, Atom/RSS feeds, MCP/agent skill, and a CC0 open standard, with about 170 listings at launch and every listing linking back to the funder's own apply page.
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rfpsear.ch
RFPSear.ch: an open index of Ethereum funding
An open index of funding opportunities under one standard. Read it without an account. Publishers sign in to manage their own listings.
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Arbitrum Rewarding Active Delegates — October 2026 results: $12,000 to 28 delegates
Arbitrum OpCo posted the October 2026 Rewarding Active Delegates results on 2 November 2026. October counted four proposals; 28 of 32 enrolled delegates qualified for rewards and $12,000 was distributed (budget envelope $12,000 vs September's $15,000). This is a results update, not an open call.
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Arbitrum OpCo posted the October 2026 Rewarding Active Delegates results on 2 November 2026. October counted four proposals; 28 of 32 enrolled delegates qualified for rewards and $12,000 was distributed (budget envelope $12,000 vs September's $15,000). This is a results update, not an open call.
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Arbitrum
Rewarding Active Delegates - October 2026 Results
October 2026 counted 4 proposals. 28 of 32 enrolled delegates qualified for rewards, and $12,000 was distributed. Aggregate participation was 86.72%, against 78.13% in September. The lower total is mechanics, not behaviour: all four October votes were Snapshot…
Intersect proposes Cardano Ecosystem Budget Process for a 2027 trial year
Intersect, working with the Cardano Foundation and PRAGMA, published a proposal for a more strategic 2027 Cardano Ecosystem Budget Process; if DReps approve, CEBP would run for a trial year in 2027 with category-based stewardship and Open Contributions.
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Intersect, working with the Cardano Foundation and PRAGMA, published a proposal for a more strategic 2027 Cardano Ecosystem Budget Process; if DReps approve, CEBP would run for a trial year in 2027 with category-based stewardship and Open Contributions.
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intersectmbo.org
A More Strategic 2027 Cardano Budget
Cardano 2027 strategic budget introduction
BCH BLAZE 2026: Bitcoin Cash online hackathon, $8,000 in prizes
BCH BLAZE is an eight-day online hackathon for Bitcoin Cash developers, designers and entrepreneurs, running November 14 to 22, with prizes totaling $8,000 paid in ParyonUSD plus sponsor bounties. Register solo or as a team of up to four on DoraHacks; registration closes November 13.
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BCH BLAZE is an eight-day online hackathon for Bitcoin Cash developers, designers and entrepreneurs, running November 14 to 22, with prizes totaling $8,000 paid in ParyonUSD plus sponsor bounties. Register solo or as a team of up to four on DoraHacks; registration closes November 13.
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BCH BLAZE
BCH BLAZE 2026 · Bitcoin Cash Hackathon
BLAZE is an 8 day online hackathon (November 14th - 22nd 2026) for Bitcoin Cash (BCH). Register on DoraHacks.
BNB Chain BNB Bangkok Hackathon and Demo Night (Nov 25-27): $10K developer prizes
BNB Chain is hosting a hackathon and demo night in Bangkok from November 25 to 27, with a developer track and a startup track. Developer-track winners get $5,000, $3,000 and $2,000, plus Kickstart ecosystem support; top teams pitch at Demo Night for a fast track to YZi Labs' EASY Residency. Register through the BNB Chain blog post; no registration cutoff is stated.
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BNB Chain is hosting a hackathon and demo night in Bangkok from November 25 to 27, with a developer track and a startup track. Developer-track winners get $5,000, $3,000 and $2,000, plus Kickstart ecosystem support; top teams pitch at Demo Night for a fast track to YZi Labs' EASY Residency. Register through the BNB Chain blog post; no registration cutoff is stated.
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BNB Chain Blog
BNB Bangkok: Build, Demo, and Pitch - BNB Chain Blog
Stay up-to-date on the latest news and developments in the world of Web3 with the BNB Chain blog. Get insights, analysis, and expert perspectives on the blockchain developed by the BNB Chain community.
Rocket Pool pDAO treasury report (Sep 24 – Oct 22): GMC grants payment 16,265 RPL
The Grants and Bounties Management Committee claimed this period's 16,265.35 RPL payment, leaving its balance at negative 730.81 RPL. The pDAO reserve took in 12,175.96 RPL from inflation and now holds 158,579.86 RPL. A proposal to raise protocol funding to 60-80% of pDAO reserve funding is in a sentiment vote.
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The Grants and Bounties Management Committee claimed this period's 16,265.35 RPL payment, leaving its balance at negative 730.81 RPL. The pDAO reserve took in 12,175.96 RPL from inflation and now holds 158,579.86 RPL. A proposal to raise protocol funding to 60-80% of pDAO reserve funding is in a sentiment vote.
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Rocket Pool Governance
pDAO 2026/09/24 - 2026/10/22 Treasury Report
Hello, RP! วัวสีส้ม here with another pDAO treasury report. If you need an intro to how pDAO treasury works, check this post. The pDAO reserve received 12,175.96 RPL from inflation, its balance is now 158,579.86 RPL. GMC claimed this period’s payment of…