Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would actually be the one hundred and first transaction submitted https://sociallytraffic.com/story5372773/5-simple-statements-about-blockchain-explorer-solana-explained-https-files-fm-f-e6nkandt95