COVID-19 has caused some internet cafes to pivot their business models, with RTX 30 series graphics cards replacing people. Unsurprisingly these new graphics cards are being used for mining cryptocurrencies.
https://www.notebookcheck.net/Pictures-show-countless-consumer-NVIDIA-GeForce-RTX-3080-cards-being-used-in-a-crypto-mining-farm.521665.0.html