Block height - The block number 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://userbookmark.com/story20298492/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-md-chaosdorf-de-xdhzafcotoa3ipvrxixxya