Block top - The block number and length in the blockchain (in blocks) on generation 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 basically be the one hundred and first transaction https://bookmarkleader.com/story20635149/explorer-blockchain-base-an-overview-https-heavenarticle-com-author-pathpastor4-452336