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://royalbookmarking.com/story20394195/helping-the-others-realize-the-advantages-of-blockchain-explorer-one-https-md-darmstadt-ccc-de-znwtrv3frkwon6rj4y8pua