Block height - The block range and length with the blockchain (in blocks) on generation of the current block Nonce - The transaction selection for your from address (Remember this starts off at 0 so a nonce of 100 would in fact be the one hundred and first transaction submitted https://social-medialink.com/story5566525/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-500px-com-p-barrkijrooney