Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of one hundred would truly be the a hundred and first transaction submitted https://businessbookmark.com/story6215953/5-simple-statements-about-blockchain-explorer-solana-explained-https-pad-karuka-tech-vc6p2vmyr6a9ij1xxkanwg