Block top - The block number 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 really be the 101st transaction submitted by this account) https://zbookmarkhub.com/story20365605/explorer-blockchain-base-an-overview-https-md-un-hack-bar-de-0oxwjunrtqeqpltmmf-tlw