Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this account) https://thesocialroi.com/story10155525/the-best-side-of-explorer-blockchain-usdt-https-atavi-com-share-xftxdaz1pgsb4