Zebra 4.3.1: Critical Security Fixes, Dockerized Mining and CI Hardening - Zcash Foundation We are releasing Zebra 4.3.1 today. This release contains fixes for a number of vulnerabilities, and all node operators are strongly encouraged to upgrade immediately. In addition to the security…

Zebra 4.3.1 contains critical security fixes for a number of vulnerabilities. 🚨All node operators are strongly encouraged to upgrade immediately.

Additionally, it introduces a Dockerized mining setup, automated checkpoint management, and a number of CI hardening improvements. bit.ly/3QhxsF9

Zcash Arborist Call 04-16-2026 The Zcash Arborist Calls are bi-weekly protocol development meetings focused on tracking upcoming protocol deployment logistics, consensus node implementation issues, and protocol research.

The recording of yesterday's Zcash Arborist Call is now available! These bi-weekly protocol development meetings track upcoming protocol deployment logistics, consensus node implementation issues, and protocol research. youtu.be/cmPQexrzn_o?...

ZF Engineering Update – March 23 to April 5, 2026 These last two weeks we dealt with some security reports for Zebra, released Zebra v4.3.0, made several bug fixes across Zebra and FROST and continued to work on infrastructure tooling. We are also…

🆕 ZF Engineering Update!
↓
🔒 Two Zebra security fixes shipped
🛠️ Zebra performance & profiling improvements
🧊 FROST v3.0.0 coming next week
🐳 z3 Docker tooling for regtest

Full update ↓
forum.zcashcommunity.com/t/zf-enginee...

Zcash Arborist Call 04-02-2026 The Zcash Arborist Calls are bi-weekly protocol development meetings focused on tracking upcoming protocol deployment logistics, consensus node implementation issues, and protocol research.

The recording of today's Zcash Arborist Call is now available! These bi-weekly protocol development meetings track upcoming protocol deployment logistics, consensus node implementation issues, and protocol research. youtu.be/-4GDsezfilc?...

Privacy as protection: Rethinking blockchain, cryptocurrency and humanitarian sector reform How does blockchain and cryptocurrency fit into broader conversations on humanitarian sector reform? Are they are a temporary 'fad' or are there deeper applications and implications worth exploring…

Many technology pilots in the aid sector feel like "innovation theatre." They look great in a donor report but rarely scale or solve the core problems they claim to address. Today on the @AcademyHum podcast, Alex Bornstein and Natalie Eskinazi discuss why there is so much skepticism. bit.ly/4sLqoPv

Zebra 4.3.0: Critical Security Fixes, ZIP-235 Support, and Performance Improvements - Zcash Foundation We are releasing Zebra 4.3.0 today. This release contains critical security fixes and all node operators are strongly encouraged to upgrade immediately. In addition to the security patches, this relea...

Zebra 4.3.0 is live (upgrade ASAP)! 🦓

✅ Critical security patches
✅ ZIP-235 / NSM support
✅ Testnet CPU regression fixed
✅ Better profiling tooling for devs

zfnd.org/zebra-4-3-0-...

Opinion | Are humanitarian NGOs mistaking innovation theatre with genuine system-wide progress? During the Humanitarian Reset and drive for systemic reform, what meaningful role does technology play? In this opinion piece, Alex Bornstein, Executive Director, Zcash Foundation and formerly IRC…

Digital aid systems that centralize personal data aren't just a privacy risk.

They're a target.

In this HLA opinion piece, Executive Director Alex Bornstein makes the case for decentralized, privacy-preserving infrastructure as the foundation of modern humanitarian response.

bit.ly/4c3I3f8

Zcomm Post-Event Feedback Please click the link to complete this form.

Thank you to everyone who made our first Zcomm such a meaningful and inspiring event! A huge thank you to our *incredible* speakers and moderators for sharing your knowledge. And thank you to everyone who joined us! 👉️ We’d love your feedback! form.jotform.com/260465492019...

Until next time! 🚀

Zcomm: Building Online Communities Around Privacy and Shared Values #nbtv Session Description: In an era of increasing surveillance and data exploitation, privacy has become a rallying value for people seeking safer digital spaces....

🌐 Final session starts at 19:00 UTC: "Building Online Communities Around Privacy and Shared Values"

🎤 Presented by @naomibrockwell.bsky.social
🎙 Moderated by @dismad.bsky.social

▶️ Watch live: bit.ly/4uLyf0I
💬 Post questions in Discord: bit.ly/4t4Vp0i

DWeb Camp: Root Systems We invite you to join us at DWeb Camp!

Zcash Community Grants invites a team of 2–3 individuals to represent Zcash at DWeb!

Submit the following info to grants@fpriv.org:
* Total USD requested for team (travel, ticket, hotel)
* Brief summary of your team and qualifications to represent Zcash

Early Bird Txs for DWeb Camp: dwebcamp.org

Engineering Update (March 9th – March 22nd) Over the past two weeks we have shipped a new Zebra release, fixed a regtest networking bug that was blocking integration testing, continued steady progress on several long-running protocol features,…

🔧 Our latest engineering update!

🦓 Zebra 4.2.0 shipped
🐛 block subsidy RPC bug squashed
🧊 FROST COCKTAIL-DKG tracking issue opened
🔑 z_importkey/z_exportkey for Sapling in progress

📰 Read all about it: forum.zcashcommunity.com/t/engineerin...

Zcomm: Designing Engaging Workshops & Roundtables: Tools for Inclusive, Action-Driven Sessions #DWeb Session Description: Join this session to learn practical tools and facilitation tips to design engaging, inclusive workshops and round tables, both virtual ...

🎯 Up next at 17:00 UTC: "Designing Engaging Workshops & Roundtables: Tools for Inclusive, Action-Driven Sessions"

🎤 Presented by @mai.bsky.social of @getdweb.net
🎙 Moderated by Ryan Taylor of @zkavclub.bsky.social

▶️ Watch live: bit.ly/4d1j4ds
💬 Post questions in Discord: bit.ly/4rVnFSi

Zcomm: Zypherpunk: How we ran the world's biggest privacy hackathon ever #aztec Session Description: Hackathons are a powerful way to grow developer communities and accelerate innovation. In this session, Harsh Bajpai, Research Engineer ...

ZCOMM 2026 >> ⏰ Up next at 15:00 UTC: "Zypherpunk: How we ran the world's biggest privacy hackathon ever"

🎤 Presented by Harsh Bajpai of Aztec
🎙 Moderated by @squirrel.surf

▶️ Watch live: www.youtube.com/live/2zmtTwr...
💬 Ask the speaker questions: discord.com/channels/978...

🚀 Today's the day! Zcomm 2026 is LIVE! No registration required - just jump in!

👇 Here's what's on tap today:

📋 Full program: zfnd.org/announcing-t...

▶️ Zcomm 2026 Playlist: youtube.com/playlist?lis...

💬 Zcomm Discord channels: discord.com/channels/978...

🔔 Happening NOW (13:00–14:30 UTC): "How to Build Strong Partnerships with Aligned Communities and Organizations"

Join @pg.web3privacy.info, Co-Founder & COO at @web3privacy.info, moderated by @nealjayu.com

▶️ Watch live: bit.ly/4soqyvQ

GitHub - ZcashFoundation/zebra: Zcash - Financial Privacy in Rust 🦓 Zcash - Financial Privacy in Rust 🦓. Contribute to ZcashFoundation/zebra development by creating an account on GitHub.

🦓 Building on Zcash? Running a node? Zebra is our Rust-based Zcash node implementation, and we're here to help.

Whether it's questions, bug reports, or contributions, ZF is your point of contact.

💻 Docs, code & issues → github.com/ZcashFoundat...
📬 Reach out → Open a GitHub issue

Can't make every session? No worries! Everything will be recorded and available on YouTube. 🙂

🌍 Translation tip: All sessions have English closed captions + YouTube auto-translate so you can follow along in your preferred language.

CC → Settings ⚙️ → Subtitles/CC → Auto-translate → Pick your language

💬 You're invited to participate! Join the Zcash Discord and head to the Zcomm section. You can:
→ Ask speakers questions, some answered LIVE
→ Upvote other attendees' questions
→ Chat with fellow attendees
discord.gg/zcash

📺 Watch all the sessions live on the Zcomm 20206 playlist! youtube.com/playlist?lis...

🧵 TOMORROW: Zcomm 2026 kicks off at 13:00 UTC (9 AM ET) — a full day of practical "how-to" sessions led by community builders from around the world.

Here's everything you need to know in order to listen, ask questions, chat with fellow attendees and more...👇

The surveillance era is here. The question is: what are we building in response?

Join @naomibrockwell.bsky.social of Ludlow Institute/NBTV at Zcomm2026 for Building Online Communities Around Privacy and Shared Values. Moderated by @dismad.bsky.social.

Register: form.jotform.com/253496748815...

Zcash Arborist Call 03-19-2026 The Zcash Arborist Calls are bi-weekly protocol development meetings focused on tracking upcoming protocol deployment logistics, consensus node implementation issues, and protocol research. Resource…

The recording of today's Zcash Arborist Call is now available! These bi-weekly protocol development meetings track upcoming protocol deployment logistics, consensus node implementation issues, and protocol research. youtu.be/LtdKAhi6l7s?...

✨The best discussions don't just happen, they're designed intentionally.✨

At Zcomm 2026, join @mai.bsky.social, a @getdweb.net Senior Organizer, for Designing Engaging Workshops & Roundtables. Moderated by Ryan Taylor of @zkavclub.bsky.social.💬

Register: form.jotform.com/253496748815...

The story behind the world's biggest privacy hackathon — hosted by Harsh Bajpai of Aztec.

Don't miss this Zcomm2026 session, moderated by @squirrel.surf.

📋 Register now: form.jotform.com/253496748815170

🤝 How do you build strong partnerships with aligned communities & orgs?

Join @pg.web3privacy.info, Co-Founder & COO at @web3privacy.info for this essential Zcomm 2026 session, moderated by @nealjayu.com.

Don't miss it! Register👇
form.jotform.com/253496748815...

Zebra 4.2.0 Release - Zcash Foundation Zcash Foundation is pleased to announce Zebra 4.2.0. This release expands RPC functionality, strengthens mempool policy compliance, and adds deeper state querying capabilities. This release also…

🦓 Zebra 4.2.0 is live!
✅ New `gettxout` RPC for wallets
✅ OpenRPC service discovery
✅ Stron mempool policy compliance
✅ Historical block subsidy support

zfnd.org/zebra-4-2-0-...

Announcing the Zcomm 2026 Program and Registration! - Zcash Foundation We’re thrilled to announce the program and speaker lineup for Zcomm 2026, taking place virtually on Tuesday, March 24th, 2026. This year’s event brings together an inspiring group of community…

🌐 Community builders assemble!
⚡ Zcomm 2026 registration is OPEN!
📅 March 24 | 💻 Virtual | 🆓 Free
zfnd.org/announcing-t...

Announcing the Zcomm 2026 Program and Registration! - Zcash Foundation We’re thrilled to announce the program and speaker lineup for Zcomm 2026, taking place virtually on Tuesday, March 24th, 2026. This year’s event brings together an inspiring group of community…

📣 Zcomm 2026 registration is open!
🌐 Virtual • March 24 • Free
✨ Community builders, privacy advocates & organizers share tools to educate, organize, activate and grow your community. 🚀

zfnd.org/announcing-t...

Zcash Arborist Call 03-05-2026 The Zcash Arborist Calls are bi-weekly protocol development meetings focused on tracking upcoming protocol deployment logistics, consensus node implementation issues, and protocol research. Resource…

The recording of today's Zcash Arborist Call is now available! These bi-weekly protocol development meetings track upcoming protocol deployment logistics, consensus node implementation issues, and protocol research. youtu.be/uBsaOLUepB0?...