@dev : the solution to destroy the premined coins is as easy as that
Go to
http://gobittest.appspot.com/Addresscopy this into public ecdsa key :
0400000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000
this is a public key that we can't find it's correspondinjg private key
click send , and go to adding network bytes to 3 to get an address starting with o
add 73 in the begining after removing the 00
click send and you'll get this address
oNGwV9Bm5EAtRPzzoF3QobfPe5afLHJgSH
send coins here and they will be destroyed . Cheers