Block top - The block variety and duration with the blockchain (in blocks) on generation of the current 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://easiestbookmarks.com/story20535203/everything-about-blockchain-explorer-https-offersen-deleuran-3-technetbloggers-de-unlocking-clarity-method-of-blockchain-navigators-operate