AI & infrastructure
Mining news and original analysis with dated primary sources.

IREN’s mining fleet falls to 7.9 EH/s as data centres shift to AI
IREN’s November 5 filing separates installed mining capacity from average operating hashrate. It targets a substantial transition by year-end, with small residual mining operations expected through 2027.

Zcash activates NU7: 25-second block targets and smaller rewards per block
The upgrade took effect at block 3,543,405 on November 6. The scheduled subsidy per block fell to a third, the fee split changed, and the legacy Sprout transaction path closed.

THORChain lifts the GAIA pause while Solana remains restricted
November 5 data shows GAIA’s halt and trading-pause flags cleared and the GAIA.ATOM pool available. This is a change from the retained November 4 snapshot, not a test transfer or a guaranteed swap.

THORChain after 3.21.1: Bitcoin routes are available, but GAIA and Solana remain restricted
A November 4 API check shows why miners exchanging PoW proceeds need the current route status. The snapshot differs from early reports, and node upgrades do not guarantee every transfer has finished.

Fortitude’s 15 MW Aurora mine joins SPP demand response: why hosting uptime needs context
The October 29 announcement says Aurora can adjust electricity use under SPP dispatch and market signals. This is participation by an existing facility, not a new 15 MW build or proof of a specific saving for each hosted miner.

San Diego moves toward a data-centre pause: the council vote is still ahead
The mayor’s October 22 order asks staff to bring a temporary moratorium to the council on October 26. Water, power costs, housing and local authority are central to the review.

Heat and power pauses held back Olenox’s September Bitcoin mining
Olenox reports 15.03 BTC, 68% uptime and reduced clock speeds. Its update shows why a miner’s advertised speed is only part of the story.

Liquid restores a route from L-BTC to Bitcoin, while direct redemptions stay restricted
Liquid’s October 20 recovery update enables swaps through participating providers. This is a useful change for holders, but it is not confirmation that the federation’s direct withdrawal system is fully restored.

NIP Group plans to buy 4.47 EH/s of running Bitcoin miners: what changes?
An October 20 disclosure describes a share-funded purchase of already operating equipment. The group’s capacity target and monthly Bitcoin forecast need to be read separately from actual production.

Sungrow reports system certification for EnerNeo solid-state transformer
The October 15 announcement names TÜV Rheinland assessments for safety, EMC and an isolation component. Certification scope remains separate from site approval, measured energy savings and ASIC compatibility.

Shanghai Electric presents two-phase cooling above 200 kW per rack at CIIF
The October 15 supplier release describes a rack-cooling capability, energy controls and turbine equipment. Its figures concern different systems and do not establish a completed mining installation.

Huawei updates Stellar network platform for Europe with separate performance claims
The October 16 release covers data-center fabric, WAN and campus networks. Its utilization, AI-performance, component-count and security figures use different boundaries and do not establish a mining-hashrate gain.