Block top - The block selection and duration from the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for your from address (Keep in mind this starts at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://livebookmarking.com/story20587952/not-known-facts-about-blockchain-explorer-usdt-https-www-multichain-com-qa-user-knotdrop3