Block height - The block amount and size on the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (Remember this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Contract creation https://iowa-bookmarks.com/story16281902/5-essential-elements-for-blockchain-explorer-ethereum-https-gaiaathome-eu-gaiaathome-show-user-php-userid-1577569