Block top - The block number and length from 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 101st transaction submitted by this account) https://bookmark-nation.com/story20498197/the-2-minute-rule-for-blockchain-explorer-solana-https-md-un-hack-bar-de-0oxwjunrtqeqpltmmf-tlw