Block top - The block number 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 101st transaction submitted by this account) https://userbookmark.com/story20543863/5-tips-about-blockchain-explorer-you-can-use-today-https-pad-stuve-uni-ulm-de-qjwqtezvsfelat3ec1kc9q