Block top - The block amount and duration with 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 actually be the 101st transaction submitted by this account) https://whitebookmarks.com/story20410882/helping-the-others-realize-the-advantages-of-blockchain-explorer-one-https-bbs-pku-edu-cn-v2-jump-to-php-url-https-cryptoexplorerhub-com