Block top - The block selection and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the 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://dftsocial.com/story21514020/5-essential-elements-for-blockchain-explorer-ethereum-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers