Block top - The block number and size of the blockchain (in blocks) on development of the current block Nonce - The transaction quantity for your from address (bear in mind this begins at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://210list.com/story21388008/5-essential-elements-for-blockchain-explorer-ethereum-https-www-udrpsearch-com-user-lampwhorl2