Block top - The block number and size with the blockchain (in blocks) on generation 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 101st transaction submitted by this https://captainbookmark.com/story20546699/detailed-notes-on-blockchain-explorer-unconfirmed-transaction-https-hedgedoc-digillab-uni-augsburg-de-mshxmk-praykwj94jou11g