Does Coinbase always charge a fee?
I'm using Coinbase for cryptocurrency transactions, but I'm not sure if they always charge a fee. I want to understand if there's a fee associated with every transaction or if there are certain cases where no fee is charged.
Is TDS always refunded?
I'm wondering if TDS, which I believe stands for Tax Deducted at Source, is always refunded to the individual. I want to know if there are any conditions or exceptions to this refund process.
Are functions always injective?
I'm wondering if all functions are injective. In other words, does every function map each input to a unique output, or are there cases where a function can map multiple inputs to the same output?
Is Vega always positive?
I'm wondering if Vega, which is a measure of sensitivity in financial derivatives, always remains positive or if it can have negative values as well.
Is there always a fee to exchange currency?
I'm wondering if there's always a charge when I want to exchange my money for a different currency. Is it possible to do it without any fees, or are fees always involved in the process?