Block height - The block quantity and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number 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://bookmarkshq.com/story22300504/everything-about-blockchain-explorer-https-mathiasen-curry-2-federatedjournals-com-diving-deep-blockchain-explorers