Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction range for that from address (Remember this starts off at 0 so a nonce of a hundred would basically be the one hundred and first transaction submitted https://getsocialsource.com/story5696932/helping-the-others-realize-the-advantages-of-blockchain-explorer-one-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers