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://myeasybookmarks.com/story6089767/the-ultimate-guide-to-eth-blockchain-explorer-https-offersen-deleuran-3-technetbloggers-de-unlocking-clarity-method-of-blockchain-navigators-operate