# Community Grants

**URL:** https://forum.zcashcommunity.com/c/grants/33.md?page=6

[Latest](https://forum.zcashcommunity.com/latest.md) · [Categories](https://forum.zcashcommunity.com/categories.md)

**Page:** 7

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## [Grant Application: Zk-CosmWasm: A Programmable Selective Disclosure WebAssembly Smart Contract Virtual Machine](https://forum.zcashcommunity.com/t/grant-application-zk-cosmwasm-a-programmable-selective-disclosure-webassembly-smart-contract-virtual-machine/54211)

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**Author:** [@hard-nett](https://forum.zcashcommunity.com/u/hard-nett)\
**Replies:** 16\
**Last updated:** [August 19, 2026, 1:27pm UTC](https://forum.zcashcommunity.com/t/grant-application-zk-cosmwasm-a-programmable-selective-disclosure-webassembly-smart-contract-virtual-machine/54211 "2026-08-19T13:27:16Z")

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ZM! My name is Austin, and I am stoked to have this opportunity to share the details regarding my grant application for a smart contract VM that will extend the application layer of the primitives coming from the ZCash …

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## [Apple Silicon Zero-Knowledge Proving: Mobile Halo2 and Tachyon Acceleration on M-Series and A-Series Chips](https://forum.zcashcommunity.com/t/apple-silicon-zero-knowledge-proving-mobile-halo2-and-tachyon-acceleration-on-m-series-and-a-series-chips/56725)

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**Author:** [@strahncryptography](https://forum.zcashcommunity.com/u/strahncryptography)\
**Replies:** 6\
**Last updated:** [August 19, 2026, 1:25pm UTC](https://forum.zcashcommunity.com/t/apple-silicon-zero-knowledge-proving-mobile-halo2-and-tachyon-acceleration-on-m-series-and-a-series-chips/56725 "2026-08-19T13:25:55Z")

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Hey folks! Strahn here. You probably have seen (or not seen) We just achieved a double speedup over the SoTA (pasta\_curves) for batched same-base MSM for Halo2 on Apple Silicon! - #3 by strahncryptography , where we ach…

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## [Subgroup membership testing on elliptic curves via the Tate pairing](https://forum.zcashcommunity.com/t/subgroup-membership-testing-on-elliptic-curves-via-the-tate-pairing/42963)

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**Author:** [@Dimitri](https://forum.zcashcommunity.com/u/Dimitri)\
**Replies:** 11\
**Last updated:** [August 19, 2026, 12:08pm UTC](https://forum.zcashcommunity.com/t/subgroup-membership-testing-on-elliptic-curves-via-the-tate-pairing/42963 "2026-08-19T12:08:18Z")

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Hi. My name is Dimitri Koshelev. I am a researcher from Paris in elliptic cryptography. Recently, my article has been published in the quite prestigious Journal of Cryptographic Engineering. This article explains how to…

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## [\[Grant proposal\] Using Zcash in an internet freedom crowdfunding campaign](https://forum.zcashcommunity.com/t/grant-proposal-using-zcash-in-an-internet-freedom-crowdfunding-campaign/55538)

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**Author:** [@alsmith](https://forum.zcashcommunity.com/u/alsmith)\
**Replies:** 10\
**Last updated:** [August 19, 2026, 3:07am UTC](https://forum.zcashcommunity.com/t/grant-proposal-using-zcash-in-an-internet-freedom-crowdfunding-campaign/55538 "2026-08-19T03:07:23Z")

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Formal grant proposal submission Last week, I posted on the forum requesting feedback about this idea. I received positive feedback from the community. I have now submitted a full grant proposal. Project Summary The To…

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## [Opening Applications for the Second Round of ZF Minor Grants](https://forum.zcashcommunity.com/t/opening-applications-for-the-second-round-of-zf-minor-grants/45463)

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**Author:** [@Dodger](https://forum.zcashcommunity.com/u/Dodger)\
**Replies:** 33\
**Last updated:** [August 18, 2026, 10:09pm UTC](https://forum.zcashcommunity.com/t/opening-applications-for-the-second-round-of-zf-minor-grants/45463 "2026-08-18T22:09:38Z")

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Back in February, we tried out something new: a Minor Grants program for smaller grants, selected by ZCAP. The response and feedback was overwhelmingly positive, so we’re doing it again! As before, the maximum grant …

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## [\[Grant idea for feedback\] Using Zcash in an internet freedom crowdfunding campaign](https://forum.zcashcommunity.com/t/grant-idea-for-feedback-using-zcash-in-an-internet-freedom-crowdfunding-campaign/55424)

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**Author:** [@alsmith](https://forum.zcashcommunity.com/u/alsmith)\
**Replies:** 7\
**Last updated:** [August 17, 2026, 9:22pm UTC](https://forum.zcashcommunity.com/t/grant-idea-for-feedback-using-zcash-in-an-internet-freedom-crowdfunding-campaign/55424 "2026-08-17T21:22:18Z")

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Hi all, I’m Al, the Director of Fundraising at the Tor Project. On May 19, Tor is launching the first-ever crypto-native crowdfunding campaign for internet freedom projects. The campaign will benefit eleven different pr…

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## [Voterax (Extending Zcash Privacy into Coordination, Governance & Rewards)](https://forum.zcashcommunity.com/t/voterax-extending-zcash-privacy-into-coordination-governance-rewards/55446)

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**Author:** [@DrDammy32](https://forum.zcashcommunity.com/u/DrDammy32)\
**Replies:** 3\
**Last updated:** [August 17, 2026, 8:21pm UTC](https://forum.zcashcommunity.com/t/voterax-extending-zcash-privacy-into-coordination-governance-rewards/55446 "2026-08-17T20:21:14Z")

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Hello Zcash community :waving\_hand: We’re excited to share our grant proposal for Voterax, a privacy-preserving coordination infrastructure designed to bring Zcash-level privacy guarantees into how decisions are made, c…

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## [Retroactive Grant application - Valargroup Ironwood work](https://forum.zcashcommunity.com/t/retroactive-grant-application-valargroup-ironwood-work/57053)

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**Author:** [@ValarDragon](https://forum.zcashcommunity.com/u/ValarDragon)\
**Replies:** 1\
**Last updated:** [August 16, 2026, 10:39pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-valargroup-ironwood-work/57053 "2026-08-16T22:39:40Z")

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Hello, please find below our github entry for retro-active funding for Valargroup’s work to make Ironwood happen. It is at $1,203,000 . And does not include any external audit cost. It does include travel cost, and infr…

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## [Nozy wallet Retroactive Grant](https://forum.zcashcommunity.com/t/nozy-wallet-retroactive-grant/52417)

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**Author:** [@Lowo88](https://forum.zcashcommunity.com/u/Lowo88)\
**Replies:** 32\
**Last updated:** [August 16, 2026, 5:36pm UTC](https://forum.zcashcommunity.com/t/nozy-wallet-retroactive-grant/52417 "2026-08-16T17:36:32Z")

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NozyWallet is the first complete Zcash Orchard wallet built in Rust on Zebrad as Nozy will be a good educational value comprehensive learning resource for Orchard development.

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## [Retroactive Grant Application - Temporary Detectable Unlimited mint and sell (Bug Bounty)](https://forum.zcashcommunity.com/t/retroactive-grant-application-temporary-detectable-unlimited-mint-and-sell-bug-bounty/57033)

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**Author:** [@scalar](https://forum.zcashcommunity.com/u/scalar)\
**Replies:** 4\
**Last updated:** [August 15, 2026, 11:22pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-temporary-detectable-unlimited-mint-and-sell-bug-bounty/57033 "2026-08-15T23:22:02Z")

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Hello Zcashers, Submitted a retroactive grant application to the Coinholder Retroactive Grants Program for the vulnerability disclosures across zcashd and zebra in March–April 2026: a temporary detectable unlimited mint…

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## [Retroactive Grant Application - give bigger grants to Taylor and Tachyon](https://forum.zcashcommunity.com/t/retroactive-grant-application-give-bigger-grants-to-taylor-and-tachyon/57012)

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**Author:** [@zooko](https://forum.zcashcommunity.com/u/zooko)\
**Replies:** 10\
**Last updated:** [August 15, 2026, 7:56pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-give-bigger-grants-to-taylor-and-tachyon/57012 "2026-08-15T19:56:02Z")

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Sorry, this isn’t a real retroactive grant application. It’s just an idea. Wouldn’t it be cool if we could nominate other people for retroactive grants instead of them having to apply for it themselves? I would nominate …

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## [Retroactive Grant Application - Orchard Counterfeiting Vulnerability Bug Bounty](https://forum.zcashcommunity.com/t/retroactive-grant-application-orchard-counterfeiting-vulnerability-bug-bounty/57008)

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**Author:** [@earthrise](https://forum.zcashcommunity.com/u/earthrise)\
**Replies:** 13\
**Last updated:** [August 15, 2026, 7:53pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-orchard-counterfeiting-vulnerability-bug-bounty/57008 "2026-08-15T19:53:46Z")

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Hi everyone! I’m applying for a retroactive “bug bounty” coinholder grant for discovering and responsibly disclosing the Orchard counterfeiting vulnerability, which I found while doing Zcash security auditing work for S…

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## [Retroactive Grant Application - Vizor Wallet](https://forum.zcashcommunity.com/t/retroactive-grant-application-vizor-wallet/57060)

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**Author:** [@dogemos](https://forum.zcashcommunity.com/u/dogemos)\
**Replies:** 3\
**Last updated:** [August 15, 2026, 3:44am UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-vizor-wallet/57060 "2026-08-15T03:44:16Z")

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Application Owners @dogemos Organization or Individual Name Github - @chainapsis / Org - KPLR Additional Team Members - Name: Josh Lee Role: Product Owner / Primary coodrinator Background: CEO / Co-founder at Kepl…

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## [Retroactive Grant Application - 16 months of uptime for Zcash wallets (Zec.rocks)](https://forum.zcashcommunity.com/t/retroactive-grant-application-16-months-of-uptime-for-zcash-wallets-zec-rocks/57048)

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**Author:** [@emersonian](https://forum.zcashcommunity.com/u/emersonian)\
**Replies:** 3\
**Last updated:** [August 15, 2026, 2:04am UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-16-months-of-uptime-for-zcash-wallets-zec-rocks/57048 "2026-08-15T02:04:32Z")

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Zec.rocks is seeking retroactive funding for the wallet infrastructure that we hosted over the past 16 months, as well as maintaining its associated open source infrastructure-as-code. I’m posting here for community dis…

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## [Zcash community: Hello from KeepKey!](https://forum.zcashcommunity.com/t/zcash-community-hello-from-keepkey/55711)

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**Author:** [@KeepKey](https://forum.zcashcommunity.com/u/KeepKey)\
**Replies:** 8\
**Last updated:** [August 14, 2026, 9:05pm UTC](https://forum.zcashcommunity.com/t/zcash-community-hello-from-keepkey/55711 "2026-08-14T21:05:31Z")

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Zcash community: Hello from KeepKey! Many of you know KeepKey as a long-running open-source hardware wallet. Since separating from ShapeShift, our team has rebuilt the firmware, desktop software, and device-management s…

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## [Call For Proposals: Coinholder-Directed Retroactive Grants Program Q3](https://forum.zcashcommunity.com/t/call-for-proposals-coinholder-directed-retroactive-grants-program-q3/56885)

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**Author:** [@FPF](https://forum.zcashcommunity.com/u/FPF)\
**Replies:** 26\
**Last updated:** [August 14, 2026, 8:01pm UTC](https://forum.zcashcommunity.com/t/call-for-proposals-coinholder-directed-retroactive-grants-program-q3/56885 "2026-08-14T20:01:05Z")

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Call for proposals The Coinholder-Directed Retroactive Grants Program is now accepting proposals for the Q3 2026 round. You can submit a proposal for your own completed work or nominate an individual, company, or projec…

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## [Retroactive Grant Application - Frontier Compute Zcash Security Research and Remediation Pack](https://forum.zcashcommunity.com/t/retroactive-grant-application-frontier-compute-zcash-security-research-and-remediation-pack/57054)

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**Author:** [@zk\_nd3r](https://forum.zcashcommunity.com/u/zk_nd3r)\
**Replies:** 0\
**Last updated:** [August 14, 2026, 7:59pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-frontier-compute-zcash-security-research-and-remediation-pack/57054 "2026-08-14T19:59:53Z")

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I submitted Frontier Compute’s Q3 Coinholder Retroactive Grant application. GitHub application #63: Retroactive Grant Application - Frontier Compute Zcash Security Research and Remediation Pack · Issue #63 · Financial-Pr…

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## [Retroactive Grant Application: ShieldedScan](https://forum.zcashcommunity.com/t/retroactive-grant-application-shieldedscan/57051)

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**Author:** [@zFalco](https://forum.zcashcommunity.com/u/zFalco)\
**Replies:** 0\
**Last updated:** [August 14, 2026, 7:14pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-shieldedscan/57051 "2026-08-14T19:14:25Z")

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Good night y’all! So happy to have finally contributed to Zcash by being a builder myself! That I get the grant or not, it’s super nice to be active for Zcash, and hopefully you’ll enjoy what I’ve been working on. Link …

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## [Retroactive Grant Application - Zcash Labs for zcashto.cash](https://forum.zcashcommunity.com/t/retroactive-grant-application-zcash-labs-for-zcashto-cash/57047)

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**Author:** [@thowar2](https://forum.zcashcommunity.com/u/thowar2)\
**Replies:** 0\
**Last updated:** [August 14, 2026, 6:57pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-zcash-labs-for-zcashto-cash/57047 "2026-08-14T18:57:45Z")

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Zcash Labs has submitted a grant application for the creation of zcashto.cash. Application: Retroactive Grant Application - zcashtocash via ZcashLabs · Issue #60 · Financial-Privacy-Foundation/ZcashCoinholderGrantsProgr…

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## [Retroactive Grant Application: CyphZec.com](https://forum.zcashcommunity.com/t/retroactive-grant-application-cyphzec-com/57035)

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**Author:** [@Jiggytom](https://forum.zcashcommunity.com/u/Jiggytom)\
**Replies:** 1\
**Last updated:** [August 14, 2026, 6:15pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-cyphzec-com/57035 "2026-08-14T18:15:36Z")

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Hey everyone, first time grant submitter here! Hope you’ll consider what I’ve put together with cyphzec.com as a valuable community resource. GitHub: Retroactive Grant Application - CyphZec.com · Issue #59 · Financial-P…

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## [Taylor Hornby - Bonus Grant for Orchard Counterfeiting Vulnerability Bug Bounty](https://forum.zcashcommunity.com/t/taylor-hornby-bonus-grant-for-orchard-counterfeiting-vulnerability-bug-bounty/57025)

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**Author:** [@aquietinvestor](https://forum.zcashcommunity.com/u/aquietinvestor)\
**Replies:** 2\
**Last updated:** [August 14, 2026, 5:12pm UTC](https://forum.zcashcommunity.com/t/taylor-hornby-bonus-grant-for-orchard-counterfeiting-vulnerability-bug-bounty/57025 "2026-08-14T17:12:51Z")

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I’ve submitted a bonus grant nomination for Taylor Hornby. It was inspired by Zooko’s post suggesting we should be able to nominate people for retroactive grants instead of waiting for them to apply, and that Taylor shou…

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## [Retroactive grant application - Ironwood External Audits](https://forum.zcashcommunity.com/t/retroactive-grant-application-ironwood-external-audits/57032)

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**Author:** [@ValarDragon](https://forum.zcashcommunity.com/u/ValarDragon)\
**Replies:** 0\
**Last updated:** [August 14, 2026, 4:17pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-ironwood-external-audits/57032 "2026-08-14T16:17:20Z")

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Hello all! We’ve submitted a retroactive grant application to the Coinholder Retroactive Grants Program for Valargroup’s funding of external audits and AI tools on the Ironwood emergency response. Note, none of this gra…

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## [Retroactive Grant Application — ZODL Q1 2026 Core Protocol Development](https://forum.zcashcommunity.com/t/retroactive-grant-application-zodl-q1-2026-core-protocol-development/55700)

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**Author:** [@tonym](https://forum.zcashcommunity.com/u/tonym)\
**Replies:** 6\
**Last updated:** [August 14, 2026, 2:10pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-zodl-q1-2026-core-protocol-development/55700 "2026-08-14T14:10:41Z")

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Hi everyone — ZODL (Zcash Open Development Lab) has submitted a retroactive grant application to the Coinholder-Directed Retroactive Grants Program for core Zcash protocol work completed in Q1 2026. To be clear up front…

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## [BTCPayServer Multi-Account and 0conf Mempool Notifications](https://forum.zcashcommunity.com/t/btcpayserver-multi-account-and-0conf-mempool-notifications/55316)

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**Author:** [@1337bytes](https://forum.zcashcommunity.com/u/1337bytes)\
**Replies:** 45\
**Last updated:** [August 14, 2026, 1:16am UTC](https://forum.zcashcommunity.com/t/btcpayserver-multi-account-and-0conf-mempool-notifications/55316 "2026-08-14T01:16:17Z")

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Project Summary Implement 0conf mempool notifications and multi-account support for the BTCPayServer Zcash plugin. Project Description Implement a new Zcash wallet RPC server (zkool-walletd) using the Zkool GraphQL AP…

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## [Retroactive Grant Application: Self-sovereign Zcash Testnet Faucet](https://forum.zcashcommunity.com/t/retroactive-grant-application-self-sovereign-zcash-testnet-faucet/57002)

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**Author:** [@Giri-Aayush](https://forum.zcashcommunity.com/u/Giri-Aayush)\
**Replies:** 0\
**Last updated:** [August 13, 2026, 7:35pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-self-sovereign-zcash-testnet-faucet/57002 "2026-08-13T19:35:13Z")

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Application: Retroactive Grant Application - Zcash Testnet Faucet (Jino Labs) · Issue #49 · Financial-Privacy-Foundation/ZcashCoinholderGrantsProgram · GitHub A couple weeks back I posted the faucet here: Another faucet…

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## [Retroactive Grant Application: zec-ironwood-reconcile - Reproducible Orchard/Ironwood Value-Pool Reconciliation](https://forum.zcashcommunity.com/t/retroactive-grant-application-zec-ironwood-reconcile-reproducible-orchard-ironwood-value-pool-reconciliation/56998)

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**Author:** [@lockedin](https://forum.zcashcommunity.com/u/lockedin)\
**Replies:** 0\
**Last updated:** [August 13, 2026, 3:20pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-zec-ironwood-reconcile-reproducible-orchard-ironwood-value-pool-reconciliation/56998 "2026-08-13T15:20:38Z")

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Hi everyone, I just submitted a Coinholder Retroactive Grant application for zec-ironwood-reconcile, a new open-source Rust CLI project that I completed for reconstructing Orchard and Ironwood value-pool changes over bo…

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## [Retroactive Grant Application - CipherScan](https://forum.zcashcommunity.com/t/retroactive-grant-application-cipherscan/56997)

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**Author:** [@Kenbak](https://forum.zcashcommunity.com/u/Kenbak)\
**Replies:** 0\
**Last updated:** [August 13, 2026, 3:17pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-cipherscan/56997 "2026-08-13T15:17:54Z")

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Github Application: CipherScan Grant Live: https://cipherscan.app Repositories: CipherScan Explorer/API | Rust Indexer A block explorer is the heartbeat monitor of a blockchain. Developers reach for it when debugging, …

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## [Retroactive Grant Application - {Zallet RPC Parity Harness}](https://forum.zcashcommunity.com/t/retroactive-grant-application-zallet-rpc-parity-harness/56993)

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**Author:** [@Creativesonchain](https://forum.zcashcommunity.com/u/Creativesonchain)\
**Replies:** 0\
**Last updated:** [August 13, 2026, 12:10pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-zallet-rpc-parity-harness/56993 "2026-08-13T12:10:55Z")

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Project Summary Zallet RPC Parity Harness is a completed standalone Rust CLI that compares results from operator-supplied zcashd and Zallet JSON-RPC endpoints and generates normalized JSON and Markdown reports. The repos…

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## [Retroactive Grant Application - ZecKit Post-M3 Stabilization and Developer Adoption Work](https://forum.zcashcommunity.com/t/retroactive-grant-application-zeckit-post-m3-stabilization-and-developer-adoption-work/56992)

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**Author:** [@DappsoverApps](https://forum.zcashcommunity.com/u/DappsoverApps)\
**Replies:** 0\
**Last updated:** [August 13, 2026, 11:00am UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-zeckit-post-m3-stabilization-and-developer-adoption-work/56992 "2026-08-13T11:00:12Z")

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Project Summary ZecKit is an open-source Zcash developer toolkit that helps developers run a local Zebra regtest environment and reusable CI workflow for testing Zcash application flows. This retroactive request covers c…

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## [Retroactive Grant Application: ZAP1 Attestation Protocol and Verification Tooling](https://forum.zcashcommunity.com/t/retroactive-grant-application-zap1-attestation-protocol-and-verification-tooling/55664)

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**Author:** [@zk\_nd3r](https://forum.zcashcommunity.com/u/zk_nd3r)\
**Replies:** 2\
**Last updated:** [August 13, 2026, 2:30am UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-zap1-attestation-protocol-and-verification-tooling/55664 "2026-08-13T02:30:49Z")

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Hey everyone, I submitted a retroactive grant application for ZAP1: The request is $28,000 for completed open-source Zcash attestation and verification tooling shipped between March and May 2026. What ZAP1 Is ZAP1 i…

[Previous page](https://forum.zcashcommunity.com/c/grants/33.md?page=5)

[Next page](https://forum.zcashcommunity.com/c/grants/33.md?page=7)
