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Grant application

The Nym mixnet for Network Privacy for Zcash

Evaluation snapshot

Request at a glance

Applicant
Nym Technologies, Zancas (ZingoLab Viridian), & Adi (Nighthawk Wallet)
Requested
-
Funding in payment ledger
$150,000.00May reflect a partial approval; excludes refunds and reimbursements.
Status
Approved
Review context
Forum discussion linked3 committee records linked

FPF source evidence

Milestone and disbursement ledger

Read-only milestone and disbursement fields normalized from the FPF grants ledger.

4 ledger rows

These ledger rows are FPF source evidence. They do not by themselves prove that a progress update was accepted, a payment request was approved, or an on-chain settlement was completed. Named rows can also describe reimbursements, returned funds, or other ledger adjustments.

Integration · Milestone

1

Recorded row amount$20,000.00
Estimate
Not recorded
FPF “Paid Out” date
10/25/2024
FPF “ZEC Disbursed”
551.42 ZEC
FPF “USD Disbursed”
Not recorded
FPF “ZEC/USD” rate
$36.27 / ZEC
FPF ledger status
Open

Integration

2

Recorded row amount$75,000.00
Estimate
Not recorded
FPF “Paid Out” date
3/21/2025
FPF “ZEC Disbursed”
2,377.18 ZEC
FPF “USD Disbursed”
Not recorded
FPF “ZEC/USD” rate
$31.55 / ZEC
FPF ledger status
Open

Integration

3

Recorded row amount$30,000.00
Estimate
30 Nov 2024Dated 11/30/2024
FPF “Paid Out” date
Not recorded
FPF “ZEC Disbursed”
Not recorded
FPF “USD Disbursed”
Not recorded
FPF “ZEC/USD” rate
Not recorded
FPF ledger status
Open

Integration

4

Recorded row amount$25,000.00
Estimate
28 Feb 2025Dated 2/28/2025
FPF “Paid Out” date
Not recorded
FPF “ZEC Disbursed”
Not recorded
FPF “USD Disbursed”
Not recorded
FPF “ZEC/USD” rate
Not recorded
FPF ledger status
Open
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Latest committee record
Approved2/5/2024

- Jason outlined this grant. This is a revised grant from Nym. The budget has been revised down from $670,000 to $150,000. The proposal focuses on integrating their mixnet technology with Zcash’s lightwalletd to provide network-level priva…

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

Source coverage

Operational context for tracing how this canonical record was assembled.
Source stateSheet only
GitHub-Sheet matchNo GitHub match
Primary forum1
Supporting forum0
GitHub labels0
Decision notes3

GitHub workflow labels

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Decision history

3 meeting notes linked
Approved2/5/2024

Nym: Network Privacy For Zcash

ZCG voted to approve the newly revised grant proposal for $150,000.

- Jason outlined this grant. This is a revised grant from Nym. The budget has been revised down from $670,000 to $150,000. The proposal focuses on integrating their mixnet technology with Zcash’s lightwalletd to provide network-level privacy and protect users from network surveillance. They estimate a 10-to-12 month timeline, and the integration targets lightwalletd initially, which would lay the groundwork for future integrations to full nodes and broader wallet support. Zingo and possibly Zashi are interested in future integrations. Jason said this grant was discussed at their brainstorm meeting, and came to a split decision. The committee went around to place their votes and rationale for this proposal. Gguy emphasized that this grant demonstrated how ZCG could advance the privacy feature set, which is a priority, and voted to approve it despite the tight budget. Amber, initially undecided, ultimately supported the proposal and voted to approve it. Jason agreed with Gguy that this grant advances privacy, and said that Zcash having network-level privacy is very important. He also said there is potential for future integrations with nodes and wallets. He emphasized the high quality of the Nym team, their experience working in privacy and security, and the potential for a strong partnership with the Zcash ecosystem. Michael said he had doubts about the grant resulting in a usable solution in ZEC wallets, but ultimately, because the ask is small and could be important for privacy, he thinks it’s worth supporting. So, he voted to approve it. Brian dissented, citing several concerns. He emphasized the absence of updated milestones on Submittable and suggested it was premature to vote on the grant. Brian expressed disinterest in funding the proposal due to current ZEC prices, despite alignment with Nym team values. He urged ZCG to prioritize the treasury. Additionally, he questioned ECC’s commitment to integrating Nym post-Zeboot. Brian also highlighted the cost implications for the community regarding Nym Network usage, noting the absence of subsidy in the revised proposal. Overall, he liked the proposal and agreed that network privacy is important but did not feel it was the right time and would prefer to wait a few months. Jason responded to Brian’s concerns regarding the treasury, acknowledging shared thoughts on budgetary matters. He noted the availability of almost 100,000 ZEC and an additional USD balance of around $225,000 following the cancellation of underperforming grants and said ZCG could fund this proposal from the cancellations alone. Jason also said that reducing the proposal amount from $670,000 to $150,000 was a conservative move by ZCG. ZCG voted to approve this revised grant proposal contingent on Nym making the appropriate changes on the Submittable platform and flushing out the milestone details. Deidra M will notify Nym of the contingency in the approval notification on the forum and Submittable.

Confidence
100%
Match method
Primary Forum Topic Id
Minutes
Zcash Community Grants Meeting Minutes 2/5/2024
Committee notes

Nym: Network Privacy for Zcash - Jason outlined this grant. This is a revised grant from Nym. The budget has been revised down from $670,000 to $150,000. The proposal focuses on integrating their mixnet technology with Zcash’s lightwalletd to provide network-level privacy and protect users from network surveillance. They estimate a 10-to-12 month timeline, and the integration targets lightwalletd initially, which would lay the groundwork for future integrations to full nodes and broader wallet support. Zingo and possibly Zashi are interested in future integrations.

Unknown1/22/2024

Nym: Network Privacy For Zcash

Decision text was not parsed from the minutes.

- This grant is from Nym, who is applying together with the NightHawk and Zingo teams (as passthrough grants) to integrate the Nym mixnet into Zcash wallets to provide Zcash network-level privacy. The current ask is for $670,000. ZCG has been in touch with Harry and the Nym team are willing to make concessions to get the cost down to something more reasonable. The committee had a call with the Nym team on Jan.12 and a follow-up discussion via Signal last week, and they explained to them that ZCG liked the idea of mobile wallets having network-level privacy. However, because of the budget, the committee needs to get the cost of the grant down. The Nym team will reduce the grant’s scope to approximately $100,000 and focus on a lightwalletd and possible Zashi integration. The committee asked them to edit the grant to scope it down and revise the budget, post the revised grant to the Discord R&D to get feedback from the core engineering teams, and then repost the revised proposal and budget to the forum. Once that is complete, ZCG will proceed with the regular review process.

Confidence
100%
Match method
Primary Forum Topic Id
Minutes
Zcash Community Grants Meeting Minutes 1/22/2024
Committee notes

Nym: Network Privacy for Zcash - This grant is from Nym, who is applying together with the NightHawk and Zingo teams (as passthrough grants) to integrate the Nym mixnet into Zcash wallets to provide Zcash network-level privacy. The current ask is for $670,000. ZCG has been in touch with Harry and the Nym team are willing to make concessions to get the cost down to something more reasonable.

Unknown1/8/2024

Nym: Network Privacy For Zcash

Decision text was not parsed from the minutes.

- Jason summarized this proposal. This grant is from Nym, who is applying together with the NightHawk and Zingo teams (as passthrough grants) to integrate the Nym mixnet into Zcash wallets to provide Zcash network-level privacy. The current ask is for $670,000, but ZCG has been in touch with Harry and he is willing to make concessions to reduce the cost. The committee has a call with the Nym team on Friday morning to discuss the grant further.

Confidence
100%
Match method
Primary Forum Topic Id
Minutes
Zcash Community Grants Meeting Minutes 1/8/2024
Committee notes

Nym: Network Privacy for Zcash - Jason summarized this proposal. This grant is from Nym, who is applying together with the NightHawk and Zingo teams (as passthrough grants) to integrate the Nym mixnet into Zcash wallets to provide Zcash network-level privacy. The current ask is for $670,000, but ZCG has been in touch with Harry and he is willing to make concessions to reduce the cost.

Forum links

1 primary, 0 supporting
Primary forum thread

The Nym mixnet for Network Privacy for Zcash

Everyone, Nym, along with Zingo Wallet and Nighthawk, has applied for a grant to integrate a network-level anonymous channel - the Nym mixnet - into ZCash. Nym background here: https://nymtech.net We submitted a months ago and have just hired the mobile devs needed to help see this through. ...

Confidence
100%
Forum URL
https://forum.zcashcommunity.com/t/the-nym-mixnet-for-network-privacy-for-zcash/46324
Open forum thread

source: forum_mirror | topicId: 46324 | fetchedAt: 2026-10-22T07:09:37.721Z | categoryId: 36 | mirrorKind: forum_topic | coverageCapped: false | discoveredFrom: ["google_sheet_row:1FQ28rDCyRW0TiNxrm3rgD8ai2KGUsXAjPieQmI1kKKg:1164534734:grant-platform:1c1814c8ee8f818fc580f2f7d0985f2b7e852ea70d00ae7b42937c23d3526244"] | postStreamCount: 44

Application source evidence

Primary GitHub, Sheet, and other non-forum source records.
Google Sheet Row

The Nym mixnet for Network Privacy for Zcash

Date Submitted: 10/18/2023 | Proposal Title: The Nym mixnet for Network Privacy for Zcash | Applicant(s): Nym Technologies, Zancas (ZingoLab Viridian), & Adi (Nighthawk Wallet) | Grant Platform Link: https://zcashgrants.org/gallery/25215916-53ea-4041-a3b2-6d00c487917d/44416053/ | Forum Link: https:

Confidence
100%
Source ID
1FQ28rDCyRW0TiNxrm3rgD8ai2KGUsXAjPieQmI1kKKg:1164534734:grant-platform:1c1814c8ee8f818fc580f2f7d0985f2b7e852ea70d00ae7b42937c23d3526244
Open source record

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Google Sheet Row

The Nym mixnet for Network Privacy for Zcash

Project: The Nym mixnet for Network Privacy for Zcash | Grantee: Nym Technologies | Category (as determined by ZCG): Integration | Reporting Frequency (as determined by ZCG): Milestone | Milestone: 1 | Amount (USD): $20,000.00

Confidence
100%
Source ID
1FQ28rDCyRW0TiNxrm3rgD8ai2KGUsXAjPieQmI1kKKg:803214474:row:336
Open source record

gid: 803214474 | sheetId: 1FQ28rDCyRW0TiNxrm3rgD8ai2KGUsXAjPieQmI1kKKg | tabName: milestone_details | rowNumber: 336 | identityStrategy: sheet_row_location | rowLocationSourceId: 1FQ28rDCyRW0TiNxrm3rgD8ai2KGUsXAjPieQmI1kKKg:803214474:row:336

Google Sheet Row

The Nym mixnet for Network Privacy for Zcash

Project: The Nym mixnet for Network Privacy for Zcash | Grantee: Nym Technologies | Category (as determined by ZCG): Integration | Milestone: 2 | Amount (USD): $75,000.00 | Paid Out: 21 Mar 2025

Confidence
100%
Source ID
1FQ28rDCyRW0TiNxrm3rgD8ai2KGUsXAjPieQmI1kKKg:803214474:row:337
Open source record

gid: 803214474 | sheetId: 1FQ28rDCyRW0TiNxrm3rgD8ai2KGUsXAjPieQmI1kKKg | tabName: milestone_details | rowNumber: 337 | identityStrategy: sheet_row_location | rowLocationSourceId: 1FQ28rDCyRW0TiNxrm3rgD8ai2KGUsXAjPieQmI1kKKg:803214474:row:337

Google Sheet Row

The Nym mixnet for Network Privacy for Zcash

Project: The Nym mixnet for Network Privacy for Zcash | Grantee: Nym Technologies | Category (as determined by ZCG): Integration | Milestone: 3 | Amount (USD): $30,000.00 | Estimate: 30 Nov 2024

Confidence
100%
Source ID
1FQ28rDCyRW0TiNxrm3rgD8ai2KGUsXAjPieQmI1kKKg:803214474:row:338
Open source record

gid: 803214474 | sheetId: 1FQ28rDCyRW0TiNxrm3rgD8ai2KGUsXAjPieQmI1kKKg | tabName: milestone_details | rowNumber: 338 | identityStrategy: sheet_row_location | rowLocationSourceId: 1FQ28rDCyRW0TiNxrm3rgD8ai2KGUsXAjPieQmI1kKKg:803214474:row:338

Google Sheet Row

The Nym mixnet for Network Privacy for Zcash

Project: The Nym mixnet for Network Privacy for Zcash | Grantee: Nym Technologies | Category (as determined by ZCG): Integration | Milestone: 4 | Amount (USD): $25,000.00 | Estimate: 28 Feb 2025

Confidence
100%
Source ID
1FQ28rDCyRW0TiNxrm3rgD8ai2KGUsXAjPieQmI1kKKg:803214474:row:339
Open source record

gid: 803214474 | sheetId: 1FQ28rDCyRW0TiNxrm3rgD8ai2KGUsXAjPieQmI1kKKg | tabName: milestone_details | rowNumber: 339 | identityStrategy: sheet_row_location | rowLocationSourceId: 1FQ28rDCyRW0TiNxrm3rgD8ai2KGUsXAjPieQmI1kKKg:803214474:row:339