The governments and states are stepping more on people's privacy and rights. Here is another example that CipherTrace in cooperation with US government files a patent to be able to trace Monero transactions: https://cointelegraph.com/news/privacy-coins-no-more-ciphertrace-files-patents-for-tracing-monero-transactions I think altcoin projects who work on privacy protection and anonymity is a promising trend and will be one of the most very popular ones. What do you think?
I think coin privacy coins does have the potential to make a trend in 2021, but remember I think more about DEX, because Uniswap have a good start in 2020, privacy coins is more prone towards criminals, so don't join fomo privacy coins.