Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction number with the from address (bear in mind this begins at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://reallivesocial.com/story6205319/the-2-minute-rule-for-blockchain-explorer-solana-https-vuf-minagricultura-gov-co-lists-informacin-20servicios-20web-dispform-aspx-id-11784754