Block top - The block quantity and size with the blockchain (in blocks) on creation of the current block Nonce - The transaction variety with the from address (bear in mind this starts at 0 so a nonce of 100 would in fact be the one hundred and first transaction https://moodjhomedia.com/story3287362/5-simple-statements-about-blockchain-explorer-solana-explained-https-doc-adminforge-de-xbqatr5jtxomaazj2qoagg