Block top - The block selection and length from the blockchain (in blocks) on development of the current block Nonce - The transaction range with the from address (Remember this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Contract generation https://sociallytraffic.com/story5493075/top-guidelines-of-explorer-blockchain-solana-https-pad-karuka-tech-vc6p2vmyr6a9ij1xxkanwg