Zcash falls 10.5 percent as block 3,543,405 enters the NU7 document: why the date points to November 6

The information provided in this article is for informational purposes only and does not constitute financial advice. Cryptocurrency investments carry a high degree of risk. Always conduct your own research.The deployment document ZIP 259 now carries mainnet height 3,543,405 for the Zcash upgrade NU7, while the project's official upgrade page still lists the height as not set. ZEC loses 10.5 percent on the same day, to $1,206, making it the biggest loser among the 25 largest cryptocurrencies.November 5 has been the pencilled-in date for the next Zcash upgrade for weeks. On October 22, 2026, it became possible for the first time to check whether that date holds. The upgrade's deployment document now names a fixed block height, and that height together with the current state of the blockchain produces a window that sits just beside it. The documented facts: ZIP 259, the document governing the rollout of NU7, lists block 3,543,405 as the mainnet activation height. The Zcash blockchain stood at block 3,527,079 on October 22. Our assessment follows further down: a height in the document does not turn the target date into a commitment from the developers, but it shifts the evidence consi...