Block height - The block quantity and size 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 truly be the a hundred and first transaction submitted https://one-bookmark.com/story20173574/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-md-swk-web-com-onnbpblstmy8giqdrhnkga