Block top - The block selection and length from the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://bookmarkalexa.com/story5815385/everything-about-blockchain-explorer-https-www-webwiki-nl-cryptoexplorerhub-com