Block top - The block amount and size on the blockchain (in blocks) on development of the present block Nonce - The transaction selection for 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://madbookmarks.com/story20418200/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-www-youtube-com-redirect-q-https-cryptoexplorerhub-com