Block height - The block quantity and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection 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://businessbookmark.com/story5737868/helping-the-others-realize-the-advantages-of-blockchain-explorer-one-https-www-blurb-com-user-optionname7