Regarding mutual funds, some funds, especially passive funds tracking an index, may have 100-150 stocks in the portfolio, leading to over-diversification and suboptimal returns. Concerning this factor, a stock portfolio may fare better.
Permanent deletion of transactions can help make e-rupee anonymous: Shaktikanta Das
It can be noted that since the introduction of the CBDC in late 2022, there have been concerns about the privacy aspect, with some saying