Block top - The block number and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://getsocialnetwork.com/story6061690/getting-my-blockchain-explorer-ethereum-to-work-https-www-webwiki-it-cryptoexplorerhub-com