Yes. It would be best to either call your bank's customer service number or go into a location and tell them you lost your card. They will probably need your account number to help you with this.
When you call to report your card lost/stolen, the bank will immediately suspend the card. It may still be possible to call them back, tell them you've found the old...
Of course you can cancel the sale. You are under no legal obligation to carry on with any sale right up to the point where a contract is signed, especially...
The private key is the only way to get access to your bitcoins. Either you have the 12 words passphrase to restore, or impossible. Bitcoin encryption is known for being...
