Can cryptocurrencies be included in a sensible investor's portfolio?

While we’re talking of cryptocurrencies in general, much of the background material is on Bitcoin, simply because that is the one digital token that has been there for the longest time and has a history, if you may!

from Wealth-Economic Times https://economictimes.indiatimes.com/wealth/personal-finance-news/can-cryptocurrencies-be-included-in-a-sensible-investors-portfolio/articleshow/83427159.cms