Block top - The block range and duration of your blockchain (in blocks) on generation of the present block Nonce - The transaction quantity for your from address (bear in mind this begins at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarkshut.com/story21622433/the-2-minute-rule-for-blockchain-explorer-solana-https-www-divephotoguide-com-user-puffinstone3