They are four kinds of trading according to Pareto; An immortalized name in the economics mathematical science.
3. Trade in which no one gains, but someone loses
This is a common thing to happen. Many who drown in the trading pool are not not smart but are careless in making trading decisions because of emotional factors and revenge.
I like BTC and it has great potential to invest. Personally, for future hopes and speculation, I don't really care because my mathematical calculation is that BTC will rise slowly and will jump high in 2024, whether it is above the previous year or below the last few that are stuck.