Block height - The block quantity and length with the blockchain (in blocks) on generation 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://thebookmarkfree.com/story20482380/5-simple-statements-about-blockchain-explorer-solana-explained-https-md-swk-web-com-onnbpblstmy8giqdrhnkga