Block top - The block quantity 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://thebookmarklist.com/story20620125/a-review-of-blockchain-explorer-usdt-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers