Block height - The block amount and size on the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://atozbookmarkc.com/story20879629/the-2-minute-rule-for-blockchain-explorer-solana-https-heavenarticle-com-author-pathpastor4-452336