Block top - The block number and length from the blockchain (in blocks) on creation of the present block Nonce - The transaction range with the from address (Remember this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Deal development https://olivebookmarks.com/story20550134/blockchain-explorer-fundamentals-explained-https-atavi-com-share-xftxdaz1pgsb4