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It is a fact that whatever the situation is, there will always be gamblers.
As we have seen, during the pandemic, that's when online casinos boosted their presence.
Because people were stuck at homes and some are looking for activities to do.
In this case, we can see that despite of the crisis that humanity is facing with, there will always be gamblers who will play.
And so, the minimum amount in deposit or withdrawal is important for these people, just to get by with their gambling desires.
Yes, I agree with you.
Ironically, those who did not gamble on an casino during the beginning of the pandemic, moved on their computer to gamble on exchanges using over-leveraged positions to try to make some money, added to the typical shitcoinery, throwing money to food tokens and dog coins. In my opinion, that was not trading, but pure gambling.
Also, the fact there are crypto currencies which allow us to move quantities of money as low as 0,1$ with minimal fees (Litecoin, Monero, Dash, ect) goes very well with online casinos, sometimes It can be even easier than a bank transfer and Paypal fees are not competitive, depending on the context.