BTW, no one had answered my query yet, probably no one have tried it yet. 
So the question is, what if I accidentally deposit below the minimum, like if I send 30 TRX? It won't be credited, right? But since it's the same address, what if I follow up with another 10 TRX to pass the minimum of 40 in total? Will the 40 TRX be credited, or are both deposits lost?
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Deposits less than 40 TRX will NOT be credited to your balance.
So the question is, what if I accidentally deposit below the minimum, like if I send 30 TRX? It won't be credited, right? But since it's the same address, what if I follow up with another 10 TRX to pass the minimum of 40 in total? Will the 40 TRX be credited, or are both deposits lost?
Of course anyone who knows that there is a minimum deposit rule then there will be no one tried to deposit below the minimum amount
. In my opinion, once there is such a rule then if you deposit below the minimum deposit, it wont be credited although you made a second deposit to meet the minimum deposit although the address is the same.
In other word, for the example you give, high likely you will lose both deposit but of course it is just my assumption.
I tried to find more information but unfortunately I cant find it, so perhaps you can ask about it on their discord channel as they are responding fast on discord (as per my experience).
The rule is very simple: if you deposit below the minimum, it will be forfeited. So just follow the rules and forget the mistakes if you have made one. That's why there's a minimum deposit, so we will follow that simple rule. And what is 40 TRX? That's only almost $5 at the current price. I'm sure anyone can move on easily after you paid for your mistake.
In some services, Deposit is stackable meaning you can deposit again to meet the minimum deposit amount and both 1st and 2nd deposits will be credited. This is the old method when it comes to deposits below minimum amount.
But I saw same issue on reddit with other services that the funds considered as loss when you deposit below minimum amount. It’s better to clarify this with the support since there’s no info about this on the FAQs aside from the deposit will “NOT” credited.
Anyway, minimum deposit on Metawin is very low like ~4$ in average currency so it’s very rare for someone to deposit below that amount.
