Block height - The block quantity and size on the blockchain (in blocks) on generation of the current block Nonce - The transaction selection with the from address (bear in mind this starts at 0 so a nonce of 100 would in fact be the one hundred and first transaction https://tinybookmarks.com/story20582299/the-smart-trick-of-blockchain-explorer-app-that-nobody-is-discussing-https-cuwip-ucsd-edu-members-georgeuncle0-activity-1839979