I sold bitcoins worth of $9500 to a person who told me that he made cheque deposit to my account by using SMART ATM of Westpac bank. When I logged into my Westpac, it was showing that $9500 was pending. Normally Westpac shows every other deposits as pending at first and then eventually clears fund within 2/3 business days.
So I released the bitcoins to that guy. Later, Bank manager called me and said they could not find the cheque anywhere in deposit machine and asked me to provide more information. I asked them if cheque was not found or validated, why would you show it in my transaction history. I have a screenshot of that as well.
Later, I understood it was probably a cheque fraud. Was there any faults by Bank? I think the scammer actually fooled the bank machine? Can I claim my money back from Westpac or file a case against them?