Block top - The block number and length from the blockchain (in blocks) on generation of the current block Nonce - The transaction selection with the from address (Remember this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Deal development https://crossbookmark.com/story20454795/5-essential-elements-for-blockchain-explorer-ethereum-https-www-multichain-com-qa-user-knotdrop3