Block height - The block variety and duration of your blockchain (in blocks) on creation of the current block Nonce - The transaction range 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://get-social-now.com/story6010511/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-500px-com-p-barrkijrooney