--- title: "Zcash developers propose NU7 activation block for November upgrade" description: "Zcash developers agreed at a meeting of Zcash Improvement Proposal editors to set NU7 activation at block 3,543,405, around November 5, CoinDesk reported. Developer Sean Bowe filed the proposal, which cuts block times to 25 seconds from 75 seconds, removes 60% of each block's fees from circulation…" language: en canonical: "https://whycoinmoves.com/en/events/zcash-zcash-developers-confirm-november-date-52d3d21df46bf4" published: 2026-10-21T08:11:57.000Z updated: 2026-10-21T09:12:01.000Z indexable: false --- # Zcash developers propose NU7 activation block for November upgrade Zcash developers agreed at a meeting of Zcash Improvement Proposal editors to set NU7 activation at block 3,543,405, around November 5, CoinDesk reported. Developer Sean Bowe filed the proposal, which cuts block times to 25 seconds from 75 seconds, removes 60% of each block's fees from circulation… Attributed sources: [CoinDesk]() ## Key facts Zcash developers agreed at a meeting of Zcash Improvement Proposal editors to set NU7 activation at block 3,543,405, around November 5, CoinDesk reported. Developer Sean Bowe filed the proposal, which cuts block times to 25 seconds from 75 seconds, removes 60% of each block's fees from circulation until miners are repaid around February 2031, and shuts down the Sprout pool. Evidence strength: Single source, 1 publisher group(s) (CoinDesk); this describes source coverage, not truth or causation. After site detection, observed returns were 5 minutes: -0.11% (difference from BTC -0.09 pp; 21/10/2026, 08:11 → 21/10/2026, 08:16, UTC; Gate · USDT); 1 hour: -0.00% (difference from BTC -0.37 pp; 21/10/2026, 08:11 → 21/10/2026, 09:11, UTC; Gate · USDT). Unlisted windows are unavailable. In the preceding 30 days, the 99th percentile of absolute hourly returns was 4.07% (OKX · USDT; cutoff 21/10/2026, 08:11, UTC). This hourly baseline is not directly comparable with a minute move. ## Returns after site detection | Window | Return | BTC | Difference from BTC | Actual sampled interval (UTC) | Source | | --- | --- | --- | --- | --- | --- | | 5 minutes | -0.11% | -0.02% | -0.09 pp | 21/10/2026, 08:11 → 21/10/2026, 08:16 | Gate · USDT | | 1 hour | -0.00% | +0.37% | -0.37 pp | 21/10/2026, 08:11 → 21/10/2026, 09:11 | Gate · USDT | | 24 hours | — | — | — | — | — | ## Historical hourly baseline | Metric | Value | | --- | --- | | Ready | true | | Coverage | 100.0% (720/720) | | Median absolute hourly return | 0.54% | | 99th percentile of absolute hourly returns | 4.07% | | BTC beta | 1.98 | | Source / cutoff (UTC) | OKX · USDT / 21/10/2026, 08:11 | ## Claims and open questions - CoinDesk reported that Zcash developer Sean Bowe filed a proposal to activate NU7 at block 3,543,405, a height agreed at a meeting of ZIP editors. - According to CoinDesk, NU7 reduces the time between blocks to 25 seconds from 75 seconds and pulls 60% of the fees collected in each block out of circulation, with those coins paid back to miners starting around February 2031. - CoinDesk reported that the proposal had two approvals but had not been merged into the deployment specification as of 08:00 UTC Wednesday, and that node software must also include the chosen height before the upgrade takes effect. - When will the activation height be merged into the deployment specification and included in released node software, confirming the November date? - How many ZEC still held in the Sprout pool will be moved before NU7 makes them unspendable? ## Source evidence - [Zcash developers confirm November date for upgrade that triples payment speed]() — CoinDesk; published 21/10/2026, 08:10; received 21/10/2026, 08:11 (UTC). ## Recent ZEC events and market reactions - [Why did ZEC drop 0.74% in 1 minute? Evidence check: Zcash falls in a one-hour move as other tracked coins are mixed · 2026-10-23]() — Received 23/10/2026, 01:48 (UTC) · Cause unresolved · Market watch · 5m -0.50% / 1h -0.50% - [Zakura proposes per-swap keys to stop future quantum computers linking Zcash swaps]() — Published 19/10/2026, 05:23 (UTC) · Multiple publishers (2 publishers) · General news · 5m +0.51% / 1h -0.39% - [Full coin archive]() ## Recent Project updates events on other coins - [ETH: Ethereum postpones Glamsterdam upgrade on Hoodi testnet over contract risk]() - [BNB: BNB Smart Chain node releases version 1.8.1]() - [TRX: TRON releases java-tron GreatVoyage v4.8.2.4]() - [Project updates]() ## Research for this archive - [Monero XMR and Zcash ZEC: delistings, liquidity and USD vs USDT]() [Methods and limitations]() Publisher count is not independent evidence count. Price changes cannot verify news or prove causation.