Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction variety 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://yxzbookmarks.com/story20296286/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-md-darmstadt-ccc-de-znwtrv3frkwon6rj4y8pua