If you're following crypto mining news today, two big Zcash-related updates just landed: one on the network security side and one on the infrastructure side.
According to the official Zcash Open Development Lab (ZODL) announcement, the Ironwood (NU6.3) upgrade successfully activated on the Zcash mainnet at block height 3,428,143.
The upgrade brings in a formally verified shielded pool and restricts the older Orchard pool.
As reported by WuBlockchain on X, ZODL (Zcash Open Development Lab) announced the activation of the Zcash Ironwood NU6.3 upgrade at mainnet block height 3,428,143.

New funds can no longer enter the old shielded pool (Orchard)
Existing Orchard funds must pass through a "Turnstile" mechanism to migrate
This strengthens verifiability of ZEC's total circulating supply
Officials say there's currently no evidence the earlier soundness issue was exploited, or that user funds or total supply were affected
This kind of blockchain network upgrade directly affects privacy coin operations and how ZEC production cost and supply tracking work going forward.
In more Fortitude expansion, Digital Currency Group's subsidiary, Fortitude, switched on a 12 MW ZEC facility in Grand Island, Nebraska, its first self-built (greenfield) site.
The launch is among the notable stories in crypto news today.
According to a WuBlockchain post on X, DCG-owned Fortitude has launched a 12 MW facility in Nebraska, marking its first self-built site.

Detail | Figure |
New facility capacity | 12 MW |
Total owned power (7 sites) | 60+ MW |
Electricity cost | ~$0.045/kWh |
Expected ZEC production cost | ~$70 → ~$40 |
Public listing plan | Merger with HeartSciences (Nasdaq) |
This is a strong signal in the DCG facility: cheaper power plus newer hardware is the core reason behind the projected crypto mining cost reduction.
It also reflects wider electricity cost trends and economics shaping the proof-of-work ecosystem right now. A potential Nasdaq crypto listing would make Fortitude one of the few publicly traded, pure-play $ZEC miners.
Briefly, on the Bitcoin mining update today front, Fortitude itself started out with Bitcoin and other proof-of-work coins before shifting focus toward $ZEC, and Bitcoin's sector remains far more mature and competitive by comparison, according to company statements.
This kind of hash rate news context matters for anyone tracking industry news today across multiple coins, not just ZEC.
Disclaimer: This article is for educational and informational purposes only and should not be considered financial or investment advice. Always conduct your own research before making investment decisions.
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