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Grant application

Z3G: Zcash Z3 RPC Compatibility Gateway for zcashd Deprecation

Evaluation snapshot

Request at a glance

Applicant
Craetives Onchain
Requested
$30,000
Status
Declined
Review context
Forum discussion linked2 committee records linked

FPF source evidence

Milestone and disbursement ledger

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Workflow signals
๐Ÿ“‹ Grant Application๐Ÿ‘€ Ready For ZCG ReviewโŒ Grant Declined
Latest committee record
Unknown1/19/2026

Z3G is a migration-critical, operator-grade JSON-RPC compatibility gateway designed to reduce production risk as the Zcash ecosystem transitions away from zcashd to the Z3 stack. It provides a single zcashd-style RPC endpoint that preserveโ€ฆ

Data quality and provenanceSource matching, linked-record coverage, and reconciliation diagnostics

Source coverage

Operational context for tracing how this canonical record was assembled.
Source stateGitHub + Sheet
GitHub-Sheet match100%
Primary forum1
Supporting forum0
GitHub labels3
Decision notes2

GitHub workflow labels

3 labels captured as structured grant attributes
๐Ÿ“‹ Grant Application
Category
Intake
Status
Grant Application
Milestone
-
Observed
1/19/2026
Open GitHub issue
๐Ÿ‘€ Ready For ZCG Review
Category
Review
Status
Ready For Zcg Review
Milestone
-
Observed
1/19/2026
Open GitHub issue
โŒ Grant Declined
Category
Decision
Status
Declined
Milestone
-
Observed
1/19/2026
Open GitHub issue

Decision history

2 meeting notes linked
Unknown1/19/2026

Z3G: Zcash Z3 RPC Compatibility Gateway for zcashd Deprecation

Decision text was not parsed from the minutes.

Z3G is a migration-critical, operator-grade JSON-RPC compatibility gateway designed to reduce production risk as the Zcash ecosystem transitions away from zcashd to the Z3 stack. It provides a single zcashd-style RPC endpoint that preserves a clearly defined subset of the highest-demand, non-wallet RPC methods relied on by exchanges, mining pools, explorers, and infrastructure providers, while routing requests to Zebra and Zaino under the hood. By enforcing explicit, method-by-method compatibility contracts, normalizing schemas and error behavior, and shipping with regression and abuse-case tests plus secure-by-default deployment controls, Z3G makes limitations explicit rather than implicit and prevents silent compatibility drift. The result is safer, incremental migration with less integration churn, stronger upstream readiness through shared specifications and tests, and a reduced likelihood of service disruption during the deprecation of zcashd. Applicant is requesting $30,000. Gguy: ZCG is going to reject this proposal. Artkor: This proposal doesnโ€™t appear to be aligned with the core technical teams of the ecosystem and as far as we know alternative approaches are already being discussed. For these reasons I reject this proposal. Zerodartz: I donโ€™t see the value for now as similar things are already planned by others. Decentralistdan: reject. This type of proposal is in line with the work of the current teams working on Z3 Unanimous rejection

Confidence
100%
Match method
Direct Source Url
Minutes
Zcash Community Grants Meeting Minutes 1/19/2026
Committee notes

Z3G: Zcash Z3 RPC Compatibility Gateway for zcashd Deprecation

Gguy: ZCG is going to reject this proposal.

Artkor: This proposal doesnโ€™t appear to be aligned with the core technical teams of the ecosystem and as far as we know alternative approaches are already being discussed. For these reasons I reject this proposal.

Zerodartz: I donโ€™t see the value for now as similar things are already planned by others.

Decentralistdan: reject. This type of proposal is in line with the work of the current teams working on Z3

Remains Open1/5/2026

Z3G: Zcash Z3 RPC Compatibility Gateway for zcashd Deprecation

Too early to vote

Z3G is a migration-critical, operator-grade JSON-RPC compatibility gateway designed to reduce production risk as the Zcash ecosystem transitions away from zcashd to the Z3 stack. It provides a single zcashd-style RPC endpoint that preserves a clearly defined subset of the highest-demand, non-wallet RPC methods relied on by exchanges, mining pools, explorers, and infrastructure providers, while routing requests to Zebra and Zaino under the hood. By enforcing explicit, method-by-method compatibility contracts, normalizing schemas and error behavior, and shipping with regression and abuse-case tests plus secure-by-default deployment controls, Z3G makes limitations explicit rather than implicit and prevents silent compatibility drift. Applicant is requesting $30,000. Remains open for comment

Confidence
100%
Match method
Direct Source Url
Minutes
Zcash Community Grants Meeting Minutes 1/5/2026
Committee notes

Z3G: Zcash Z3 RPC Compatibility Gateway for zcashd Deprecation

Forum links

1 primary, 0 supporting
Primary forum thread

Z3G: Zcash Z3 RPC Compatibility Gateway for zcashd Deprecation

Project Summary Z3G is an upstream-first, operator-grade JSON-RPC compatibility gateway that provides a single zcashd-style RPC endpoint for Zebra + Zaino, prioritizing the highest-demand non-wallet methods used by exchanges and mining pools. It reduces migration risk during zcashd deprecation ...

Confidence
100%
Forum URL
https://forum.zcashcommunity.com/t/z3g-zcash-z3-rpc-compatibility-gateway-for-zcashd-deprecation/54093
Open forum thread

source: forum_mirror | topicId: 54093 | fetchedAt: 2026-08-25T07:07:59.027Z | categoryId: 36 | mirrorKind: forum_topic | coverageCapped: false | discoveredFrom: ["github_issue_comment:ZcashCommunityGrants/zcashcommunitygrants#177:comment:3705909275","google_sheet_row:1FQ28rDCyRW0TiNxrm3rgD8ai2KGUsXAjPieQmI1kKKg:1164534734:grant-platform:bdcebc45fd676413708312d3fd9c8936469afbcde6923b088a1c0a6724209e42"] | postStreamCount: 2

Application source evidence

Primary GitHub, Sheet, and other non-forum source records.
Github Issue

Z3G: Zcash Z3 RPC Compatibility Gateway for zcashd Deprecation

### Terms and Conditions - [x] I agree to the [Grant Agreement](https://9ba4718c-5c73-47c3-a024-4fc4e5278803.usrfiles.com/ugd/9ba471_f81ef4e4b5f040038350270590eb2e42.pdf) terms if funded - [x] I agree to [Provide KYC information](https:/...

Confidence
100%
Source ID
ZcashCommunityGrants/zcashcommunitygrants#177
Open source record

repo: zcashcommunitygrants | owner: ZcashCommunityGrants | state: closed | author: CreativesOnchain | labels: ["๐Ÿ“‹ Grant Application","๐Ÿ‘€ Ready For ZCG Review","โŒ Grant Declined"] | number: 177 | closedAt: 2026-01-19T14:19:07Z | commentCount: 3

Github Issue Comment

Comment on #177: Z3G: Zcash Z3 RPC Compatibility Gateway for zcashd Deprecation

[Forum post for reference. ](https://forum.zcashcommunity.com/t/z3g-zcash-z3-rpc-compatibility-gateway-for-zcashd-deprecation/54093)

Confidence
100%
Source ID
ZcashCommunityGrants/zcashcommunitygrants#177:comment:3705909275
Open source record

repo: zcashcommunitygrants | owner: ZcashCommunityGrants | author: alexgbo | number: 177 | issueUrl: https://github.com/ZcashCommunityGrants/zcashcommunitygrants/issues/177 | commentId: 3705909275 | createdAt: 2026-01-02T17:49:43Z | issueNumber: 177

Github Issue Comment

Comment on #177: Z3G: Zcash Z3 RPC Compatibility Gateway for zcashd Deprecation

Hi, I'm from the Zcash Foundation and during our recent hackathon, @oxarbitrage has been working on something similar but with a different approach. Here are some links if that's helpful: [Hackathon plan](https://gist.github.com/oxarbitr...

Confidence
100%
Source ID
ZcashCommunityGrants/zcashcommunitygrants#177:comment:3745090416
Open source record

repo: zcashcommunitygrants | owner: ZcashCommunityGrants | author: natalieesk | number: 177 | issueUrl: https://github.com/ZcashCommunityGrants/zcashcommunitygrants/issues/177 | commentId: 3745090416 | createdAt: 2026-01-13T15:51:21Z | issueNumber: 177

Github Issue Comment

Comment on #177: Z3G: Zcash Z3 RPC Compatibility Gateway for zcashd Deprecation

Hi @natalieesk , Sounds great! Yes, we are happy to discuss anytime! Thank you.

Confidence
100%
Source ID
ZcashCommunityGrants/zcashcommunitygrants#177:comment:3745799380
Open source record

repo: zcashcommunitygrants | owner: ZcashCommunityGrants | author: CreativesOnchain | number: 177 | issueUrl: https://github.com/ZcashCommunityGrants/zcashcommunitygrants/issues/177 | commentId: 3745799380 | createdAt: 2026-01-13T18:35:22Z | issueNumber: 177

Google Sheet Row

Z3G: Zcash Z3 RPC Compatibility Gateway for zcashd Deprecation

Date Submitted: 1/2/2026 | Proposal Title: Z3G: Zcash Z3 RPC Compatibility Gateway for zcashd Deprecation | Applicant(s): Creatives Onchain | Grant Platform Link: https://github.com/ZcashCommunityGrants/zcashcommunitygrants/issues/177 | Forum Link: https://forum.zcashcommunity.com/t/z3g-zcash-z3-rpc

Confidence
100%
Source ID
1FQ28rDCyRW0TiNxrm3rgD8ai2KGUsXAjPieQmI1kKKg:1164534734:grant-platform:bdcebc45fd676413708312d3fd9c8936469afbcde6923b088a1c0a6724209e42
Open source record

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