Block top - The block selection and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this commences at 0 so a nonce of one hundred would essentially be the a hundred and first transaction https://bookmarkingalpha.com/story20269537/what-does-eth-blockchain-explorer-mean-https-mathiasen-curry-2-federatedjournals-com-diving-deep-blockchain-explorers