Chinese semiconductor giant SMIC has reportedly been manufacturing 7-nanometer chips since last year, the best sign yet that China has found a way to develop advanced components despite US efforts to curb the country's homegrown silicon capabilities.

This is based on findings from American semiconductor analyst firm TechInsights, which recently bought a cryptocurrency-mining ASIC manufactured by SMIC and found that it uses a 7nm process after doing a study of the chip's die. The ASIC is designed by a company called MinerVa, which has been mass producing the chip since July 2021, according to its website.

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