Block height - The block amount and size on the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://bookmarkcolumn.com/story20470096/the-smart-trick-of-blockchain-explorer-app-that-nobody-is-discussing-https-pad-fs-lmu-de-h2fzbno0rjqfpyic-69lxg