Block top - The block amount and size of your blockchain (in blocks) on creation of the current block Nonce - The transaction variety with the from address (bear in mind this starts at 0 so a nonce of 100 would in fact be the one hundred and first transaction https://socialwebconsult.com/story6066767/what-does-eth-blockchain-explorer-mean-https-heavenarticle-com-author-pathpastor4-452336