Block top - The block quantity and duration from the blockchain (in blocks) on creation of the current block Nonce - The transaction selection for that from address (bear in mind this starts at 0 so a nonce of 100 would actually be the one hundred and first transaction submitted https://bookmark-template.com/story26201143/top-guidelines-of-explorer-blockchain-solana-https-md-farafin-de-0k9kbddstjwuieqthhbjgg