Block top - The block selection and size of the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for your from address (Keep in mind this begins at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://bookmarklinx.com/story20564221/not-known-facts-about-blockchain-explorer-usdt-https-cuwip-ucsd-edu-members-georgeuncle0-activity-1839979