Block top - The block range and size with the blockchain (in blocks) on generation of the current block Nonce - The transaction amount with the from address (bear in mind this starts at 0 so a nonce of 100 would in fact be the a hundred and first transaction https://bookmarkingdelta.com/story20499672/top-guidelines-of-explorer-blockchain-solana-https-heavenarticle-com-author-pathpastor4-452336