Block top - The block selection and size on the blockchain (in blocks) on creation of the current block Nonce - The transaction number with the from address (Remember this begins at 0 so a nonce of 100 would actually be the one hundred and first transaction submitted by this https://socialtechnet.com/story5811210/helping-the-others-realize-the-advantages-of-blockchain-explorer-one-https-www-divephotoguide-com-user-puffinstone3