Block top - The block range and size from the blockchain (in blocks) on generation of the current block Nonce - The transaction number for that from address (Keep in mind this starts at 0 so a nonce of one hundred would really be the one hundred and first transaction https://monobookmarks.com/story20510039/not-known-facts-about-blockchain-explorer-usdt-http-bioimagingcore-be-q2a-user-storegarlic8