Yeah, blockchain already shows confirmed. Lesson learned the hard way i guess. Only $100, but still sucks. For a newbie to the game and the little studying i did, i wish the site would have had a few more obvious warnings before allowing the transaction to be sent.
Wait, which one of the two did you contact?
The OP seems unclear to me, "
I've sent bitcoin cash to core address" is this a deposit or withdrawal transaction?
According to OP, he contacted the support which answered that this address belongs to a
payment processor.
It therefore has to be a 'deposit' address.
By the way I'm seeing this is: there's no reason for them to keep your funds given with a valid reason.
Unless in some extremely security-conscious centralized wallets.
Unfortunately it is
always a security risk when working with private keys.
The private key (even tho without having any BTC funds) has to be retrieved from a secured system.
Not every employee has access to the private keys.
It is very well imaginable that they do either only refund for a hefty fee or do not recover them at all. It is completely up to them.
And they have the right to deny such recoveries.
@OP: If the payment processor refuses to recover your coins, there unfortunately isn't much you can do other than being more careful the next time
