Block top - The block number and length from the blockchain (in blocks) on development 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 basically be the 101st transaction submitted by this account) https://loanbookmark.com/story20344247/the-2-minute-rule-for-blockchain-explorer-solana-https-www-woorips-vic-edu-au-profile-jessenisrgibbons96537-profile