Block top - The block quantity and length in the blockchain (in blocks) on development of the current block Nonce - The transaction variety for that from address (Keep in mind this commences at 0 so a nonce of 100 would basically be the 101st transaction submitted by this account) https://1001bookmarks.com/story20172742/indicators-on-blockchain-explorer-search-you-should-know-https-www-webwiki-de-cryptoexplorerhub-com