Block height - The block range and length in the blockchain (in blocks) on generation of the current block Nonce - The transaction variety for the from address (bear in mind this commences at 0 so a nonce of a hundred would actually be the a hundred and first transaction https://socialtechnet.com/story6063474/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-canvas-instructure-com-eportfolios-4028322-entries-14252553