Block height - The block variety and duration of your blockchain (in blocks) on creation of the current block Nonce - The transaction variety 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 generation https://socialevity.com/story22750637/the-definitive-guide-to-explorer-blockchain-ethereum-http-www-stes-tyc-edu-tw-xoops-modules-profile-userinfo-php-uid-3693980