Block top - The block quantity and size from the blockchain (in blocks) on development of the current block Nonce - The transaction number 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://linkingbookmark.com/story20136350/not-known-details-about-blockchain-explorer-usdt-trc20-https-writeablog-net-storeformat0-blockchain-in-the-microscope-exploring-the-unsung-resources