Block height - The block variety and duration of your blockchain (in blocks) on creation of the current block Nonce - The transaction variety with the from address (bear in mind this starts at 0 so a nonce of 100 would in fact be the a hundred and first transaction https://articlescad.com/the-remarkable-adventurers-in-the-cyber-frontier-grasping-distributed-ledger-instruments-325096.html