Block top - The block selection and duration on the blockchain (in blocks) on development of the current block Nonce - The transaction range for that from address (Remember this starts off at 0 so a nonce of a hundred would basically be the one hundred and first transaction submitted https://bookmarkblast.com/story20900353/5-simple-statements-about-blockchain-explorer-solana-explained-https-md-kif-rocks-qxb6ylbntwcjnvrpqnzeqw