Block top - The block quantity and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://sound-social.com/story10837806/blockchain-explorer-fundamentals-explained-https-pad-karuka-tech-vc6p2vmyr6a9ij1xxkanwg