Block height - The block amount and size with 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 really be the 101st transaction submitted by this account) https://bookmarkalexa.com/story6073557/explorer-blockchain-base-an-overview-https-pad-fs-lmu-de-h2fzbno0rjqfpyic-69lxg