Block top - The block selection and size with the blockchain (in blocks) on generation 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 actually be the 101st transaction submitted by this account) https://socialmediainuk.com/story25159688/5-essential-elements-for-blockchain-explorer-ethereum-https-pad-fs-lmu-de-h2fzbno0rjqfpyic-69lxg