Tessera
Folgen

Zcash Foundation

@zfnd.org

US-based 501(c)(3) public charity that builds financial privacy infrastructure for the public good, with a special focus on the Zcash protocol and blockchain.

237 Posts192 Follower198 Folgt
Zcash Foundation@zfnd.org · last wk.

ZF Engineering Update - July 13–26 🛠️ 🦓 Four Zebra releases in two weeks (v6.1.0–v6.2.2) 🔐 Several security fixes across releases 💡 Built-in lightwalletd-compatible gRPC server in progress And NU6.3 Ironwood activated on July 28th 🌱 forum.zcashcommunity.com/t/zf-enginee...

ZF Engineering Update: 13th July - 26th July 2026

First, some news from just after this update’s window: the NU6.3 (Ironwood) network upgrade activated on Mainnet on 28th July — we’ll cover it properly in the next update. Over the last two weeks we…

forum.zcashcommunity.com

Zcash Foundation@zfnd.org · last wk.

Zebra 6.2.3 is out 🦓 An optional release focused on peer connectivity hardening - recommended if you've seen peer set issues, or want to stay ahead of them. 🔌 Outbound slots no longer fill with non-serving peers during sync 🔄 Dropped connections now replaced proactively zfnd.org/zebra-6-2-3-...

Zebra 6.2.3 Release - Zcash Foundation

Zebra 6.2.3: Peer Connectivity Hardening This is an optional release with a set of peer connectivity improvements. It is targeted at operators who see issues with their node’s peer set. Improvements…

zfnd.org

Zcash Foundation@zfnd.org · 3w ago

Yesterday, Valar Group and Project Tachyon announced Zakura, a new Zcash full node built from the Zebra codebase. We want to state plainly: this is good for Zcash, and we welcome it. zfnd.org/zebra-zakura...

Zebra, Zakura, and the road through NU6.3 - Zcash Foundation

Yesterday, Valar Group and Project Tachyon announced Zakura, a new Zcash full node built from the Zebra codebase. We want to state plainly: this is good for Zcash, and we welcome it. Zebra was built…

zfnd.org

Zcash Foundation@zfnd.org · 3w ago

ZF Engineering Update - June 29 to July 12 🛠️ 📣 Zebra v6.0.0 is out with full NU6.3 "Ironwood" support 🌱 New shielded pool + v6 transaction format 🔐 Several security fixes All operators should upgrade before activation 👇 forum.zcashcommunity.com/t/zf-enginee...

ZF Engineering Update - 29th June to 12th July 2026

The headline this period is Zebra v6.0.0, which adds full support for NU6.3 “Ironwood” — the next Zcash network upgrade, bringing a new shielded pool and transaction format — and sets its Mainnet…

forum.zcashcommunity.com

Zcash Foundation@zfnd.org · last mo.

🚨 No Arborist Call This Week - Next Call July 23rd This week’s Zcash Arborist Call, scheduled for Thursday, July 9th, is canceled. Many regular participants are traveling to the ZODL Summit. Calls will resume at the next regularly scheduled time: Thursday, July 23rd. See you then!

Zcash Foundation@zfnd.org · last mo.

🚨 Zebra 6.0.0-rc.0 is out! 🌱 NU6.3 "Ironwood" Testnet support 🔐 Multiple security and bug fixes 📦 Reproducible Docker images & signed pre-built binaries for Linux via cargo binstall 🦓 Zebra-mined blocks now tagged with a 🦓 in the coinbase input Please test ahead of 6.0.0 final 👇 buff.ly/8kIySt4

Zebra 6.0.0-rc.0 Release - Zcash Foundation

Zebra 6.0.0-rc.0: NU6.3 “Ironwood” Support and Security Fixes We are pleased to announce the release of Zebra 6.0.0-rc.0. This release candidate adds Testnet support for the NU6.3 “Ironwood” shielded…

zfnd.org

Zcash Foundation@zfnd.org · last mo.

ZF Engineering Update - June 15–28 🛠️ 🔐 Zebra releases are now reproducible & signed 🔧 Sync stall near chain tip fixed 🌱 Early work started on NU6.3 "Ironwood" support Full update 👇 forum.zcashcommunity.com/t/zf-enginee...

ZF Engineering Update - 15th June to 28th June 2026

Over the last two weeks most of our attention went into making Zebra’s releases easier to trust and install: a new reviewed release process, downloadable signed binaries, and signed Docker images…

forum.zcashcommunity.com

Zcash Foundation@zfnd.org · last mo.

📊 ZCG Election Results are in! Congratulations to GGuy and Paul Brigner, elected to the Zcash Community Grants committee effective July 1! 🎉 Thank you to all 14 candidates and every ZCAP member who voted. zfnd.org/zcg-election...

ZCG Election Results: June 2026 - Zcash Foundation

The ZCAP poll to elect two members of the Zcash Community Grants committee closed on Monday, June 29th, and the results are in: GGuy and Paul Brigner are therefore elected to the committee, joining…

zfnd.org

Zcash Foundation@zfnd.org · last mo.

ZCAP members! These are the final days to vote in the ZCG June 2026 election! 🗳️ Voting closes this Monday, June 29 at 20:00 UTC. Check your inbox for your SIV voting link. Learn about the election & candidates: forum.zcashcommunity.com/t/zcash-comm...

Zcash Community Grants (ZCG) Nominations Now Open for June Election!

Are you interested in serving on ZCG? Now is your chance! Two committee members’ will reach the end of their terms at the end of June: @decentralistdan and @GGuy. Anyone can stand for election,…

forum.zcashcommunity.com

Zcash Foundation@zfnd.org · last mo.

⏰ ZCAP members - you have one week to vote in the ZCG June 2026 election! Voting closes Monday, June 29 at 20:00 UTC. 14 candidates. 2 seats. Check your inbox for your SIV voting link. 📋 Learn about the election & candidates: buff.ly/wMd2dSN Your vote shapes who stewards ZCG funding.Make it count!

Zcash Community Grants (ZCG) Nominations Now Open for June Election!

Are you interested in serving on ZCG? Now is your chance! Two committee members’ will reach the end of their terms at the end of June: @decentralistdan and @GGuy. Anyone can stand for election,…

forum.zcashcommunity.com

Zcash Foundation@zfnd.org · 2mo ago

Zebra 5.2.0 is live! 🦓 This release is all about robustness: 🪟 Local rollback window raised 10x (99 → 1000 blocks) to better defend against sustained consensus splits ⚠️ Nodes on v5.1.1 or earlier hit end-of-support ~July 25, ahead of NU7. zfnd.org/zebra-5-2-0-...

Zebra 5.2.0: Wider Rollback Window  - Zcash Foundation

We have recently released Zebra 5.2.0. This release ships a robustness improvement that was merged to main after the 5.1.1 maintenance release: a significantly wider local rollback window to defend…

zfnd.org

Zcash Foundation@zfnd.org · 2mo ago

📢 Arborist Call update: After discussing with ecosystem partners, all Zcash Arborist Calls are moving to a single time slot - 15:00 UTC, same bi-weekly schedule. Join links, calendar files, recordings & minutes: zfnd.org/arborist-cal...

Arborist Calls - Zcash Foundation

Arborist Calls View Recordings The Zcash Arborist Calls are bi-weekly protocol development meetings focused on tracking upcoming protocol deployment logistics, consensus node implementation issues,…

zfnd.org

Zcash Foundation@zfnd.org · 2mo ago

ZF Engineering Update — June 1–14 🛠️ ⚡ Genesis-to-tip sync now completes in ~14 hours with no stalls 📡 getpeerinfo RPC extended with additional fields 🔼 Latest release: Zebra v5.1.1 All operators should upgrade to v5.0.0 or later. Read the full update ↓ forum.zcashcommunity.com/t/zf-enginee...

ZF Engineering Update — June 1–14, 2026

This was a busy two weeks. A soundness bug in the Orchard circuit was discovered and resolved through a coordinated network upgrade. Alongside that, we landed a fix for a sync stall affecting initial…

forum.zcashcommunity.com

Zcash Foundation@zfnd.org · 2mo ago

Attention ZCAP members! The 'June ZCG Election' SIV poll is now open and ends Monday, June 29th at 20:00 UTC. Check your email inbox for instructions. 🗳️ Please vote! General information available here 👉️ zfnd.org/zcap-poll-no...

ZCAP Poll Now Open: ZCG Election - June 2026 - Zcash Foundation

Today, we opened a SIV poll of the Zcash Community Advisory Panel (ZCAP), which will run until Monday, June 29th, 20:00 UTC. The purpose of this poll is to fill two seats on the Zcash Community…

zfnd.org

Zcash Foundation@zfnd.org · 2mo ago

Zebra 5.1.0 is out! 🦓 🔧 Fixes a long-standing sync stall that left nodes stuck mid-sync 📡 Extended getpeerinfo RPC with richer peer diagnostics ⬆️ Minimum network protocol version raised to NU6.2 All node operators are encouraged to upgrade 👉️ zfnd.org/zebra-5-1-0-...

Zebra 5.1.0 Release - Zcash Foundation

Zebra 5.1.0: Sync Stall Fix and Extended Peer Diagnostics We are releasing Zebra 5.1.0 today. This release resolves a long-standing genesis-to-tip sync stall that could leave nodes stuck mid-sync,…

zfnd.org

Zcash Foundation@zfnd.org · 2mo ago

Zebra 4.5.3 and 5.0.0: Emergency Soft Fork and NU6.2 Activation 🚨 Zebra 5.0.0 is out - all node operators should upgrade now. ⚡ NU6.2 activated, re-enabling Orchard with a corrected circuit. 🔒 Total ZEC supply confirmed intact throughout. Read the full update: buff.ly/Px9c1U6

Zebra 4.5.3 and 5.0.0: Emergency Soft Fork and NU6.2 Activation - Zcash Foundation

We have recently released Zebra 4.5.3 and Zebra 5.0.0. These two releases work together to address a critical bug in the Orchard Action circuit: 4.5.3 implemented an emergency soft fork that…

zfnd.org

Zcash Foundation@zfnd.org · 2mo ago

ZF Engineering Update — May 18–31, 2026 🛡️ Zebra v4.5.1 — 13 security fixes, upgrade now ⚡ ZIP-213 Shielded Coinbase support shipped ✍️ PCZT support added to zcash-sign Read the full update ↓ forum.zcashcommunity.com/t/zf-enginee...

ZF Engineering Update — May 18–31, 2026

Over the past two weeks we shipped two Zebra releases, Zebra v4.5.0 and a follow-up patch v4.5.1, fixed a handful of CI and infrastructure issues, and shipped two releases addressing multiple…

forum.zcashcommunity.com

Zcash Foundation@zfnd.org · 2mo ago

📢 We're expanding the Zcash Community Advisory Panel (ZCAP)! ZCAP members elect the ZCG committee & help shape the future of Zcash. If you've contributed to development, received a grant, or are an active forum member — you may be eligible. ⏰ Deadline to volunteer: June 8th 👉 buff.ly/Cl5DSvU

Expanding the June 2026 Zcash Community Advisory Panel - Zcash Foundation

The Zcash Community Advisory Panel (ZCAP) is a group of community members that provides feedback and input on important topics related to Zcash. ZCAP members elect the community-selected members of…

zfnd.org

Zcash Foundation@zfnd.org · 2mo ago

🚨 Zebra 4.5.1 is out - This release fixes a consensus-critical vulnerability that was not fully resolved in the 4.5.0 release. All node operators should upgrade immediately - including those who just updated to 4.5.0. zfnd.org/zebra-4-5-1-...

Zebra 4.5.1: Security Fixes - Zcash Foundation

We are releasing Zebra 4.5.1 today. This release contains a fix for a consensus-critical security vulnerability, and we strongly encourage all node operators to upgrade immediately.  Note that 4.5.0…

zfnd.org

Zcash Foundation@zfnd.org · 3mo ago

ZF Engineering Update (May 4–17) ⚡ Write performance improvements for Zebra's state layer 🧪 Experimental ZIP for shorter block target spacing Read the full update ↓ forum.zcashcommunity.com/t/zf-enginee...

ZF Engineering Update — May 4th – May 17th, 2026

These last 2 weeks were mainly spent at the Dev Summit in Rome, as well as participating in conferences in the area. These include zkSummit, zkProofs, and EuroCrypt. At the moment, we have two…

forum.zcashcommunity.com

Zcash Foundation@zfnd.org · 3mo ago

We are committed to transparency and openness with the Zcash community and our other stakeholders. Today, we are releasing our Q1 2026 report, which provides an overview of the work undertaken by our engineering team and an overview of other activities during this period. zfnd.org/zcash-founda...

Zcash Foundation Q1 2026 Report - Zcash Foundation

The Zcash Foundation is committed to transparency and openness with the Zcash community and our other stakeholders. Today, we are releasing our Q1 2026 report, which provides an overview of the work…

zfnd.org