what can be a really good passive income?
Investing in Bitcoin and forgetting about it is still one of the best passive income sources in this market. The methods you have mentioned have a lot of risk because the coins or tokens you will stake will be kept with a centralized platform, what if that platform faces some problems? We have seen such things happening in the past, and users have lost huge amounts of money in exploits or hacks or even shut downs.
So, investing in Bitcoin and holding for long term is still the best option that I can think of.
A lot of Investors might be holding their funds on USDT as a result of the depreciation of cryptocurrency but something to be asked is if are those doing the right thing? What's the essence of DCAing and how we can hodl to increase our assets?
Only experienced users and traders would understand that price depreciation in cryptocurrencies isn't a bad thing because it's an opportunity for them to fill their bags with more cryptocurrencies so that they can get as much profit as possible when the prices appreciate again.