Block top - The block selection and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Keep in mind this commences at 0 so a nonce of a hundred would essentially be the one hundred and first transaction https://ragingbookmarks.com/story20522916/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-peatix-com-user-27717689