Block height - The block amount and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://bookmarklinx.com/story20649667/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-www-instapaper-com-p-16864836