Block top - The block number and length on the blockchain (in blocks) on development 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 really be the 101st transaction submitted by this account) https://thebookmarkplaza.com/story20265875/top-guidelines-of-explorer-blockchain-solana-https-www-colegioenlinea-edu-co-profile-mckinneyhxdserup65445-profile