Set nBigNonce to null
Set nBigNonce to null

- Set nBigNonce by default to null when generating Equihash Blocks (AuxPOW).
--> By default the nBigNonce is randomized so it is not null, for a better overall view we set it to null.
globaltoken/globaltoken,globaltoken/globaltoken,globaltoken/globaltoken,globaltoken/globaltoken,globaltoken/globaltoken,globaltoken/globaltoken