Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction number for your from address (Keep in mind this commences at 0 so a nonce of one hundred would in fact be the a hundred and first https://bookmark-group.com/story6396840/the-ultimate-guide-to-eth-blockchain-explorer-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers