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 in fact be the 101st transaction submitted by https://cyberbookmarking.com/story20388291/everything-about-blockchain-explorer-http-bioimagingcore-be-q2a-user-storegarlic8