Block top - The block quantity and length on the blockchain (in blocks) on development of the present block Nonce - The transaction number for that from address (Remember this commences at 0 so a nonce of 100 would truly be the 101st transaction submitted by this account) Agreement creation https://thebookmarklist.com/story20188178/what-does-eth-blockchain-explorer-mean-https-graph-org-unveiling-transparency-how-blockchain-explorers-function-09-04