I prevent this by keeping my key in notepad. But that's just me.
The Blockland FAQ does have a link for key recovery...
You dun goof'd.You should keep your key on your computer.
Go die.
/delete hurrYour best hope is to wait and see if he will PM it to you. He should, he did for me.If not... I smell a lawsuit...
I am crazy enough to commit my code to memory. I go to a friend's house and play blockland there, but his brother also uses that computer, so I need to retype my key each time. Soon enough, I had it memorized.