Block height - The block number and length from the blockchain (in blocks) on creation of the present block Nonce - The transaction amount for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarkspy.com/story22098197/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-500px-com-p-barrkijrooney