Block height - The block range and duration on the blockchain (in blocks) on generation of the current block Nonce - The transaction range for the from address (Keep in mind this starts off at 0 so a nonce of 100 would in fact be the one hundred and first https://socialioapp.com/story5533412/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-www-blurb-com-user-optionname7