All those scalpers we have been hearing about may actually turn out to be crypto miners hoarding the new RTX 3000 cards for Ethereum mining farms. Analysts somehow discovered that Nvidia has already sold $175 million worth of RTX 3000 cards and most of these sales were made directly to crypto miners.
https://www.notebookcheck.net/New-financial-analysis-suggests-the-Nvidia-RTX-3000-ongoing-shortages-could-be-pinned-on-crypto-miners.506389.0.html