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Zcash activates NU7 network upgrade on testnet at block height 4,465,026

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Zcash activated its NU7 upgrade on the public testnet on Oct. 4, several days before the scheduled milestone, and the test chain now uses a 25-second target block time instead of 75 seconds. The upgrade also changes fee handling by sending part of transaction fees into a reserve for future block rewards, while mainnet activation is still targeted for Nov. 5.

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Key claims & sources

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The upgrade directs part of transaction fees into a reserve for future block rewards.
Zcash Sets NU7 Testnet Activation at Block 4,465,026
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The testnet upgrade set a 25-second target block time, down from 75 seconds.
Zcash’s 25-second blocks go live on public testnet ahead of schedule
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Zcash activated NU7 on its public testnet on Oct. 4, earlier than the scheduled milestone.
Zcash Starts NU7 Testnet Trial With 25-Second Block Target
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The public testnet activation was announced at block height 4,465,026.
Zcash NU7 goes live on testnet with 25 second blocks
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Both major Zcash node programs now support the test, and it runs with valueless coins.
Zcash Activates NU7 Upgrade on Public Testnet

What it means

Developers, exchanges and wallet teams can now watch the new testnet behavior in a live setting before the planned mainnet step. That matters because the public testnet is already running with the shorter block target and the fee mechanism in place, while the mainnet date is still set for Nov. 5. (per cointelegraph.com)

In practice, the network’s target block interval on testnet is now 25 seconds instead of 75 seconds, so the trial is no longer using the older spacing. The rest of the system is not changed on mainnet yet, since the upgrade is still confined to the public testnet.

Market reaction i

ZcashZEC it is the asset of the company or protocol in the event
first headline
-0.1% 2 h before
-2.0% 4 h after
$1,347price at publication
12data points

Coverage timeline

Every piece in order, with the time its news medium declares — if it is not believable we use ours and say so — and what it added to what was already known at that point. Arriving first is not the same as adding something.

first
Oct 5 01:35
+2 h 11 m
Oct 5 03:47
Cointelegraph context
Its angle: several, assess, weeks
+3 h 6 m
Oct 5 04:41
CoinDesk context
Its angle: beginning, rehearsal, separate
+3 h 59 m
Oct 5 05:34
crypto.news echo
No new facts: mechanism, goes, data; with quotes
+5 h 8 m
Oct 5 06:43
Coinpedia echo
No new facts: distribution, coinpedia, merchants
+8 h 11 m
Oct 5 09:46
Unchained context
Its angle: production, foundation, newsletter; with quotes
+9 h 19 m
Oct 5 10:55
Cryptonews.com adds
Brings into the story: ZEC
+11 h 24 m
Oct 5 13:00
Crypto Economy echo
No new facts: accelerating, environment, redirecting

Has this happened before?

WhenWhat happenedFigure
35 days ago THORChain launches Zcash pool, trading comes next event 1 actors in common · 3 news media
37 days ago Zcash September Rally Precedes Gemini Infrastructure Move Ahead of Planned NU7 Upgrade event 1 actors in common · 3 news media
38 days ago Valour launches Europe’s first Zcash ETP, undercutting 21Shares on fees event 1 actors in common · 2 news media
38 days ago Coinbase expands crypto-backed loans to include HYPE and ZEC event 1 actors in common · 5 news media
38 days ago Zcash developers begin moving Tachyon code into faster private-payment software event 1 actors in common · 5 news media