Investors accuse NVIDIA of bungling the chipmaker's response to 2017's mining hardware boom.
Investors suing Nvidia have opposed a motion from the U.S. chipmaker that would shut out the testimony from an ex-employee.
An amended lawsuit accuses the chip maker of concealing $1 billion in graphics processing unit sales to crypto miners to downplay risk to long-term profits.
Chip making giant Nvidia has been making its case for why a court should dismiss a lawsuit alleging it misled investors over the demand for its graphics cards from cryptocurrency miners.
Graphics card maker Nvidia has said the downturn in sales to crypto miners drove a drop in revenue in Q4, despite a record year overall.
Nvidia has cut its 4Q revenue forecast, which already factored in reduced demand for GPUs used in crypto mining.
Nvidia has seen a "substantial decline" in revenue from cryptocurrency miners, the company announced in its second quarter results Thursday.
Nvidia is supporting a blockchain startup as part of its Inception Program, which seeks to support artificial intelligence development.
Taiwan-based motherboard producer ASRock confirmed that some of its new GPUs are meant for cryptocurrency mining.
Nvidia must produce more graphics processing units to offset demand from crypto miners, says its CEO.
AMD expressed concern in a new SEC filing about the potential impact of a drop in GPU demand from crypto miners.
Nvidia CEO Jen-Hsun Huang commented on the rise of cryptocurrencies in an interview Friday, saying they are "not going to go away."
Demand from cryptocurrency miners for GPU maker Nvidia's products was bigger than anticipated in the fourth quarter of last year.
GPU maker Nvidia has tweaked its software license agreement to limit the use of its products by data centers – unless they're mining cryptocurrencies.
Prices increases in ethereum, monero and other cryptocurrencies could spark a sales boost for makers of graphics cards (GPUs).