Block peak - The block variety 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://210list.com/story21028389/everything-about-blockchain-explorer-https-pad-geolab-space-1eemv59krmalavl2pdd7cg