Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://atozbookmarkc.com/story20674240/the-fact-about-explorer-blockchain-base-that-no-one-is-suggesting-https-md-darmstadt-ccc-de-znwtrv3frkwon6rj4y8pua