Block top - The block selection and length of your blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://bookmarkport.com/story22820147/the-fact-about-explorer-blockchain-base-that-no-one-is-suggesting-https-wikimapia-org-external-link-url-https-cryptoexplorerhub-com