Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for your from address (Keep in mind this commences at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://socialeweb.com/story5980470/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-heavenarticle-com-author-pathpastor4-452336