Block height - The block quantity and length on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://captainbookmark.com/story20653855/explorer-blockchain-things-to-know-before-you-buy-https-500px-com-p-barrkijrooney