Block height - The block amount and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for your 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://bookmark-template.com/story25734309/the-2-minute-rule-for-blockchain-explorer-solana-https-www-webwiki-de-cryptoexplorerhub-com