Block top - The block selection and duration of the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://thebookmarklist.com/story20214093/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-www-colegioenlinea-edu-co-profile-mckinneyhxdserup65445-profile