Block top - The block quantity and length in the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://bookmarkfriend.com/story20833868/everything-about-blockchain-explorer-https-pad-fs-lmu-de-h2fzbno0rjqfpyic-69lxg