Block peak - The block amount and size on the blockchain (in blocks) on generation 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://leftbookmarks.com/story20569325/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-pad-geolab-space-1eemv59krmalavl2pdd7cg