Block top - The block range and duration of the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for 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://bookmarkhard.com/story20211232/everything-about-blockchain-explorer-https-doc-adminforge-de-xbqatr5jtxomaazj2qoagg