Block top - The block number and length in 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 actually be the 101st transaction submitted by this account) https://nybookmark.com/story22458645/details-fiction-and-explorer-blockchain-ethereum-https-skitterphoto-com-photographers-1387379-jimenez-deleuran