Block top - The block selection and duration from the blockchain (in blocks) on development of the present block Nonce - The transaction number for your from address (Keep in mind this starts off at 0 so a nonce of 100 would really be the a hundred and first transaction https://bookmarking1.com/story20609806/indicators-on-blockchain-explorer-search-you-should-know-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers