--- title: "Zcash Foundation releases Zebra 7.0.0 with NU7 support for Mainnet" description: "The Zcash Foundation announced Zebra 7.0.0, the first stable release supporting NU7 on Mainnet, which activates at block height 3,543,405, planned for around…" language: en canonical: "https://whycoinmoves.com/en/events/zcash-zebra-7-0-0-release-93ec5f16703e70" published: 2026-10-27T12:25:45.000Z updated: 2026-10-27T13:27:02.000Z indexable: true --- # Zcash Foundation releases Zebra 7.0.0 with NU7 support for Mainnet The Zcash Foundation announced Zebra 7.0.0, the first stable release supporting NU7 on Mainnet, which activates at block height 3,543,405, planned for around… Attributed sources: [Zcash Foundation]() ## Key facts The Zcash Foundation announced Zebra 7.0.0, the first stable release supporting NU7 on Mainnet, which activates at block height 3,543,405, planned for around November 5. NU7 cuts target block spacing from 75 seconds to 25 seconds, reserves 60% of each block's transaction fees under ZIP 235, and sets per-block shielded limits. The Foundation said the 21 million ZEC supply cap and four-year halving schedule remain unchanged. Evidence strength: Official source, 1 publisher group(s) (Zcash Foundation). After site detection, observed returns were 5 minutes: +0.45% (difference from BTC +0.37 pp; Oct 27, 2026, 12:25 → Oct 27, 2026, 12:31, UTC; Gate · USDT); 1 hour: +0.50% (difference from BTC +0.43 pp; Oct 27, 2026, 12:25 → Oct 27, 2026, 13:25, UTC; Gate · USDT) In the preceding 30 days, the 99th percentile of absolute hourly returns was 3.96% (OKX · USDT; cutoff Oct 27, 2026, 12:25, UTC). ## Returns after site detection | Window | Return | BTC | Difference from BTC | Actual sampled interval (UTC) | Source | | --- | --- | --- | --- | --- | --- | | 5 minutes | +0.45% | +0.09% | +0.37 pp | Oct 27, 2026, 12:25 → Oct 27, 2026, 12:31 | Gate · USDT | | 1 hour | +0.50% | +0.07% | +0.43 pp | Oct 27, 2026, 12:25 → Oct 27, 2026, 13:25 | Gate · USDT | ## Historical hourly baseline | Metric | Value | | --- | --- | | Coverage | 100.0% (720/720) | | Median absolute hourly return | 0.57% | | 99th percentile of absolute hourly returns | 3.96% | | BTC beta | 2.30 | | Source / cutoff (UTC) | OKX · USDT / Oct 27, 2026, 12:25 | ## Claims and open questions - The Zcash Foundation said NU7 activates on Mainnet at height 3,543,405, planned for around November 5, and that all Mainnet node operators must upgrade before activation to stay on the consensus chain. - The Zcash Foundation said NU7 cuts target block spacing from 75 seconds to 25 seconds under ZIP 218, while the amount of ZEC issued per day stays the same, with block rewards divided by three. - The Zcash Foundation said ZIP 235 places 60% of each block's transaction fees into a reserve while miners keep 40%, and that NU7's limits raise Orchard throughput from 2.9 to 6.6 transactions per second and cut worst-case sync bandwidth by about 37%. - What date NU7 actually activates on Mainnet, given the Foundation's stated height 3,543,405 and a planned timing of around November 5, would be confirmed by the final activation block and timestamp on the Zcash main chain. - Whether the components of the release candidate's breaking configuration and RPC changes cause operators upgrading from Zebra 6.x to hit issues would be confirmed by operator reports or Foundation guidance after the migration. ## Source evidence - [Zebra 7.0.0 Release]() — Zcash Foundation; published Oct 22, 2026, 16:21; received Oct 27, 2026, 12:25 (UTC). ## Recent ZEC events and market reactions - [Zcash Foundation appoints David Campbell as executive director]() — Published Oct 20, 2026, 15:49 (UTC) · Official source (1 publisher) · General news · 5m +0.45% / 1h +0.50% - [Zcash co-founder proposes halting automatic grants funding as committee treasury tops $125 million]() — Published Oct 27, 2026, 06:14 (UTC) · Multiple publishers (3 publishers) · General news · 5m -0.05% / 1h +0.66% - [Zakura proposes per-swap keys to stop future quantum computers linking Zcash swaps]() — Published Oct 19, 2026, 05:23 (UTC) · Multiple publishers (2 publishers) · General news · 5m +0.51% / 1h -0.39% - [Full coin archive]() ## Research for this archive - [Monero XMR and Zcash ZEC: delistings, liquidity and USD vs USDT]() Evidence levels describe source coverage, not the probability that a report is true. Price moves and their timing cannot establish a cause; minute samples show an observed interval and alert thresholds are heuristics. Explanations are model-assisted, with citations and figures checked. Source titles stay in their original language; full articles are not republished. [Methods and limitations]()