Block top - The block selection and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction range with the from address (bear in mind this begins at 0 so a nonce of one hundred would basically be the one hundred and first transaction https://monobookmarks.com/story20352556/not-known-details-about-blockchain-explorer-ltc-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers