---
title: "Zcash applies NU7 upgrade blocking all coin spending from the Sprout pool — DecisionGateway"
description: "Zcash's NU7 upgrade permanently blocks spending from the legacy Sprout pool, removing version 4 transactions to eliminate old, complex verification code and den"
canonical_url: "https://dgw.tmarket.io/decisions/01a1d6b4-ce2a-7434-a804-17a763877e97"
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  "og:image:alt": "White network of connected nodes crossed by a timeline on black"
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  "og:title": "Zcash applies NU7 upgrade blocking all coin spending from the Sprout pool — DecisionGateway"
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**Decision**/Regulate

**Adopted**

# **Zcash applies NU7 upgrade blocking all coin spending from the Sprout pool**

Zcash's NU7 upgrade permanently blocks spending from the legacy Sprout pool, removing version 4 transactions to eliminate old, complex verification code and denial-of-service risk.

## **Actors and targets**

Targets Sprout pool coin spendingitem

## **Source**

> 지캐시(Zcash)는 11월 6일 NU7 업그레이드를 적용해 최초의 프라이버시 풀인 스프라우트(Sprout)에서 모든 코인 지출을 차단했다.

*coinnesskr · Telegram [ Open post](https://t.me/coinnesskr/237531)*

## **Extracted detail**

Fields read from the post for this record type. The first group is ordered by what a reader usually needs; the rest stays collapsed.

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Same kind only, ranked by embedding similarity to this record.

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