Block top - The block number and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction variety to the from address (bear in mind this starts at 0 so a nonce of 100 would really be the a hundred and first transaction submitted https://enrollbookmarks.com/story20433886/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-www-hulkshare-com-circledrop4