Block top - The block amount and size from the blockchain (in blocks) on creation of the current block Nonce - The transaction range with the from address (bear in mind this starts at 0 so a nonce of 100 would in fact be the one hundred and first transaction https://livebackpage.com/story6075753/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-md-darmstadt-ccc-de-znwtrv3frkwon6rj4y8pua