Block height - The block amount and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this begins at 0 so a nonce of 100 would in fact be the a hundred and first transaction https://socialioapp.com/story5249305/top-guidelines-of-explorer-blockchain-solana-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers