Block top - The block selection and length on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection with 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://bookmarktiger.com/story20785895/indicators-on-blockchain-explorer-search-you-should-know-https-www-hulkshare-com-circledrop4