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://bookmarkshq.com/story22021136/top-guidelines-of-explorer-blockchain-solana-https-www-dermandar-com-user-quietquiet9