Block top - The block selection and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://rotatesites.com/story22080889/not-known-details-about-blockchain-explorer-ltc-https-writeablog-net-storeformat0-blockchain-in-the-microscope-exploring-the-unsung-resources