Block top - The block quantity and length with the blockchain (in blocks) on generation of the current block Nonce - The transaction selection for your from address (bear in mind this starts at 0 so a nonce of 100 would in fact be the 101st transaction submitted by this https://sb-bookmarking.com/story20611717/5-simple-statements-about-blockchain-explorer-solana-explained-https-www-lanubedocente-21-edu-ar-profile-fowlerrlwmooney1719-profile