Block top - The block number and length of the blockchain (in blocks) on generation of the present block Nonce - The transaction number for your from address (Keep in mind this begins at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://enrollbookmarks.com/story20610130/explorer-blockchain-base-an-overview-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers