Block height - The block amount and size on the blockchain (in blocks) on development 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://dmozbookmark.com/story20310036/5-simple-techniques-for-explorer-blockchain-base-https-files-fm-f-e6nkandt95