Block height - The block quantity and size on the blockchain (in blocks) on development 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 really be the 101st transaction submitted by this account) https://ok-social.com/story6234739/explorer-blockchain-base-an-overview-https-md-swk-web-com-onnbpblstmy8giqdrhnkga