# Retroactive Grants **URL:** https://forum.zcashcommunity.com/c/grants/retroactive-grants/54.md [Latest](https://forum.zcashcommunity.com/latest.md) · [Categories](https://forum.zcashcommunity.com/categories.md) --- ## [Q3 Coinholder-Directed Retroactive Grants Program RESULTS](https://forum.zcashcommunity.com/t/q3-coinholder-directed-retroactive-grants-program-results/57909)
**Author:** [@FPF](https://forum.zcashcommunity.com/u/FPF)\ **Replies:** 9\ **Last updated:** [September 30, 2026, 8:33pm UTC](https://forum.zcashcommunity.com/t/q3-coinholder-directed-retroactive-grants-program-results/57909 "2026-09-30T20:33:30Z")
CDRGP Q3 Voting Results Voting for the Q3 round of the Coinholder-Directed Retroactive Grants Program closed today. Thank you to everyone who took the time to review proposals and vote. Funded zcashtocash via ZcashLa… --- ## [About the Retroactive Grants category](https://forum.zcashcommunity.com/t/about-the-retroactive-grants-category/52106)
**Author:** [@Shawn](https://forum.zcashcommunity.com/u/Shawn)\ **Replies:** 1\ **Last updated:** [October 10, 2025, 11:28pm UTC](https://forum.zcashcommunity.com/t/about-the-retroactive-grants-category/52106 "2025-10-10T23:28:11Z")
Sub Category for the Coin-Holder Directed Retroactive Grants Program --- ## [Retroactive Grant Application - CVE-2026-34202: Zebra Remote Denial of Service (Critical)](https://forum.zcashcommunity.com/t/retroactive-grant-application-cve-2026-34202-zebra-remote-denial-of-service-critical/57024)
**Author:** [@robustfengbin](https://forum.zcashcommunity.com/u/robustfengbin)\ **Replies:** 1\ **Last updated:** [September 30, 2026, 11:54pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-cve-2026-34202-zebra-remote-denial-of-service-critical/57024 "2026-09-30T23:54:40Z")
In March this year I found a bug in Zebra that let anyone crash any node on the network by sending it a single message. I reported it privately to the Zcash Foundation, they fixed it within days, and it shipped in Zebr… --- ## [Retroactive Grant Application - Five Critical Zebra Consensus Divergence Vulnerabilities](https://forum.zcashcommunity.com/t/retroactive-grant-application-five-critical-zebra-consensus-divergence-vulnerabilities/57034)
**Author:** [@sangsoo](https://forum.zcashcommunity.com/u/sangsoo)\ **Replies:** 3\ **Last updated:** [September 30, 2026, 10:33pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-five-critical-zebra-consensus-divergence-vulnerabilities/57034 "2026-09-30T22:33:59Z")
Hello Zcash community, I have submitted a retroactive grant application to the Coinholder Retroactive Grants Program for five consensus-divergence vulnerabilities that I found and responsibly disclosed in Zebra during Q… --- ## [The Hand of God: What Q3's Coinholder Retroactive Grants Vote Tells Us](https://forum.zcashcommunity.com/t/the-hand-of-god-what-q3s-coinholder-retroactive-grants-vote-tells-us/57910)
**Author:** [@vaspholdings](https://forum.zcashcommunity.com/u/vaspholdings)\ **Replies:** 7\ **Last updated:** [September 30, 2026, 10:57am UTC](https://forum.zcashcommunity.com/t/the-hand-of-god-what-q3s-coinholder-retroactive-grants-vote-tells-us/57910 "2026-09-30T10:57:30Z")
What I have disliked most about the Coinholder-Directed Retroactive Grants process to date is that it can sometimes feel like the hand of a god coming down to bless you with money. Or not. And a god does not need to ex… --- ## [Project Tachyon - Bonus Grant for Ironwood zk-SNARK Formal Verification](https://forum.zcashcommunity.com/t/project-tachyon-bonus-grant-for-ironwood-zk-snark-formal-verification/57021)
**Author:** [@aquietinvestor](https://forum.zcashcommunity.com/u/aquietinvestor)\ **Replies:** 1\ **Last updated:** [September 29, 2026, 10:41pm UTC](https://forum.zcashcommunity.com/t/project-tachyon-bonus-grant-for-ironwood-zk-snark-formal-verification/57021 "2026-09-29T22:41:37Z")
I’ve submitted a bonus grant nomination for the formal verification work done by the Tachyon Foundation. It was inspired by Zooko’s post suggesting we should be able to nominate people for retroactive grants instead of w… --- ## [Retroactive Grant Application - Ironwood zk-SNARK Formal Verification (Project Tachyon)](https://forum.zcashcommunity.com/t/retroactive-grant-application-ironwood-zk-snark-formal-verification-project-tachyon/57007)
**Author:** [@ebfull](https://forum.zcashcommunity.com/u/ebfull)\ **Replies:** 7\ **Last updated:** [September 29, 2026, 10:39pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-ironwood-zk-snark-formal-verification-project-tachyon/57007 "2026-09-29T22:39:49Z")
Howdy, We’ve submitted a retroactive grant application to the Coinholder Retroactive Grants Program for Project Tachyon’s work on the Ironwood emergency response: GitHub issue: Retroactive Grant Application - Ironwood … --- ## [Q3 Coinholder-Directed Retroactive Grants Program Voting Now Open!](https://forum.zcashcommunity.com/t/q3-coinholder-directed-retroactive-grants-program-voting-now-open/57650)
**Author:** [@FPF](https://forum.zcashcommunity.com/u/FPF)\ **Replies:** 4\ **Last updated:** [September 19, 2026, 3:28pm UTC](https://forum.zcashcommunity.com/t/q3-coinholder-directed-retroactive-grants-program-voting-now-open/57650 "2026-09-19T15:28:16Z")
The 30 day review period has ended and the Q3 CDRGP voting period has begun! The voting period will end on September 29th at 20:00 UTC. Reminder that selecting either “Reject” response is a “no” vote. A synopsis of the… --- ## [Retroactive Grant Application : Blindvault](https://forum.zcashcommunity.com/t/retroactive-grant-application-blindvault/56932)
**Author:** [@rawbytedev](https://forum.zcashcommunity.com/u/rawbytedev)\ **Replies:** 4\ **Last updated:** [September 27, 2026, 10:00pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-blindvault/56932 "2026-09-27T22:00:22Z")
Blindvault - Privacy-Preserving Credentials Issuance Service Ask: $17,000 USD FPF issue: Retroactive Grant Application - Blindvault · Issue #39 · Financial-Privacy-Foundation/ZcashCoinholderGrantsProgram · GitHub GitHu… --- ## [Retroactive Grant Application - Zecmap](https://forum.zcashcommunity.com/t/retroactive-grant-application-zecmap/56999)
**Author:** [@Batuhan](https://forum.zcashcommunity.com/u/Batuhan)\ **Replies:** 3\ **Last updated:** [September 24, 2026, 8:48pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-zecmap/56999 "2026-09-24T20:48:32Z")
I left a retroactive grant application for Zecmap. Zecmap is a map project that lists businesses where you can make payments with Zcash in the physical world. Our current active statistics are as follows: Users & Ap… --- ## [Retroactive Grant Application - ZODL Q1 & Q2 2026 Core Protocol Development](https://forum.zcashcommunity.com/t/retroactive-grant-application-zodl-q1-q2-2026-core-protocol-development/57027)
**Author:** [@tonym](https://forum.zcashcommunity.com/u/tonym)\ **Replies:** 7\ **Last updated:** [September 24, 2026, 2:58pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-zodl-q1-q2-2026-core-protocol-development/57027 "2026-09-24T14:58:37Z")
Hi everyone, ZODL has submitted an updated retroactive grant application covering work completed January through June 2026. This grant request includes protocol vulnerability remediation work, including the successful r… --- ## [Retroactive Grant - Zecledger](https://forum.zcashcommunity.com/t/retroactive-grant-zecledger/56969)
**Author:** [@vancube](https://forum.zcashcommunity.com/u/vancube)\ **Replies:** 1\ **Last updated:** [September 23, 2026, 8:16am UTC](https://forum.zcashcommunity.com/t/retroactive-grant-zecledger/56969 "2026-09-23T08:16:59Z")
Continuing the discussion from Call For Proposals: Coinholder-Directed Retroactive Grants Program Q3: Hi everyone, I’ve submitted a retroactive grant application for ZecLedger, a read-only shielded accounting tool for Z… --- ## [Retroactive Grant Application - Gleyo](https://forum.zcashcommunity.com/t/retroactive-grant-application-gleyo/56977)
**Author:** [@gilmore](https://forum.zcashcommunity.com/u/gilmore)\ **Replies:** 7\ **Last updated:** [September 21, 2026, 7:45am UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-gleyo/56977 "2026-09-21T07:45:09Z")
Gleyo - Coinholder Retroactive Grant Application (Q3 2026) Ask: $9,081.20 USD FPF Issue: Retroactive Grant Application - Gleyo · Issue #43 · Financial-Privacy-Foundation/ZcashCoinholderGrantsProgram · GitHub Product: h… --- ## [30 Day Review Period: Coinholder-Directed Retroactive Grants Program Q3](https://forum.zcashcommunity.com/t/30-day-review-period-coinholder-directed-retroactive-grants-program-q3/57056)
**Author:** [@FPF](https://forum.zcashcommunity.com/u/FPF)\ **Replies:** 5\ **Last updated:** [September 17, 2026, 5:20pm UTC](https://forum.zcashcommunity.com/t/30-day-review-period-coinholder-directed-retroactive-grants-program-q3/57056 "2026-09-17T17:20:51Z")
30-Day Review Period — 37 Grant Proposals The submission deadline has passed and the mandatory 30-day review period begins on Monday. We’re posting this a few days early so there is plenty of time to review. Please revi… --- ## [Retroactive Grant Application: Zapp](https://forum.zcashcommunity.com/t/retroactive-grant-application-zapp/56937)
**Author:** [@vampirot](https://forum.zcashcommunity.com/u/vampirot)\ **Replies:** 2\ **Last updated:** [September 16, 2026, 1:58pm UTC](https://forum.zcashcommunity.com/t/retroactive-grant-application-zapp/56937 "2026-09-16T13:58:27Z")
Zapp — Retroactive Grant Application (Q3 2026) Ask: $40,000 USD FPF issue: Retroactive Grant Application - Zapp · Issue #40 · Financial-Privacy-Foundation/ZcashCoinholderGrantsProgram · GitHub — Retroactive Grant Applic… --- ## [Seer prediction markets forecasting Q3 2026 Coinholder Retroactive Grant approvals](https://forum.zcashcommunity.com/t/seer-prediction-markets-forecasting-q3-2026-coinholder-retroactive-grant-approvals/57063)
**Author:** [@devanshmehta](https://forum.zcashcommunity.com/u/devanshmehta)\ **Replies:** 1\ **Last updated:** [August 26, 2026, 8:36am UTC](https://forum.zcashcommunity.com/t/seer-prediction-markets-forecasting-q3-2026-coinholder-retroactive-grant-approvals/57063 "2026-08-26T08:36:21Z")
TL;DR Starting a prediction market on which projects will be approved in the upcoming ZEC retroactive grant round through the review period (August 17th to September 16th) and ending before commencement of coinholder po… --- ## [Retroactive Grant application - Valargroup Ironwood work](https://forum.zcashcommunity.com/t/retroactive-grant-application-valargroup-ironwood-work/57053)
**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")
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… --- ## [Nozy wallet Retroactive Grant](https://forum.zcashcommunity.com/t/nozy-wallet-retroactive-grant/52417)
**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")
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. --- ## [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)
**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")
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… --- ## [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)
**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")
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 … --- ## [Retroactive Grant Application - Orchard Counterfeiting Vulnerability Bug Bounty](https://forum.zcashcommunity.com/t/retroactive-grant-application-orchard-counterfeiting-vulnerability-bug-bounty/57008)
**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")
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… --- ## [Retroactive Grant Application - Vizor Wallet](https://forum.zcashcommunity.com/t/retroactive-grant-application-vizor-wallet/57060)
**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")
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… --- ## [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)
**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")
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… --- ## [Call For Proposals: Coinholder-Directed Retroactive Grants Program Q3](https://forum.zcashcommunity.com/t/call-for-proposals-coinholder-directed-retroactive-grants-program-q3/56885)
**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")
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… --- ## [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)
**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")
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… --- ## [Retroactive Grant Application: ShieldedScan](https://forum.zcashcommunity.com/t/retroactive-grant-application-shieldedscan/57051)
**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")
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 … --- ## [Retroactive Grant Application - Zcash Labs for zcashto.cash](https://forum.zcashcommunity.com/t/retroactive-grant-application-zcash-labs-for-zcashto-cash/57047)
**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")
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… --- ## [Retroactive Grant Application: CyphZec.com](https://forum.zcashcommunity.com/t/retroactive-grant-application-cyphzec-com/57035)
**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")
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… --- ## [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)
**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")
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… --- ## [Retroactive grant application - Ironwood External Audits](https://forum.zcashcommunity.com/t/retroactive-grant-application-ironwood-external-audits/57032)
**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")
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… [Next page](https://forum.zcashcommunity.com/c/grants/retroactive-grants/54.md?page=1)