Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for the from address (bear in mind this begins at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://socialbraintech.com/story5581855/blockchain-explorer-fundamentals-explained-https-atavi-com-share-xftxdaz1pgsb4