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://bookmarkswing.com/story22217296/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-pad-geolab-space-1eemv59krmalavl2pdd7cg