Block height - The block amount 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 actually be the 101st transaction submitted by this account) https://bookmarkhard.com/story20338554/explorer-blockchain-things-to-know-before-you-buy-http-www-drugoffice-gov-hk-gb-unigb-cryptoexplorerhub-com