Block top - The block variety and length of the blockchain (in blocks) on creation of the present block Nonce - The transaction range for that from address (bear in mind this commences at 0 so a nonce of 100 would essentially be the 101st transaction submitted by this account) https://topsocialplan.com/story6137223/not-known-details-about-blockchain-explorer-ltc-https-wikimapia-org-external-link-url-https-cryptoexplorerhub-com