Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://bookmarkmoz.com/story20736672/what-does-blockchain-explorer-usdt-mean-https-telegra-ph-blockchain-trackers-the-key-to-grasping-copyright-transactions-09-04