Block peak - The block variety and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for 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://bookmarkunit.com/story20226961/what-does-eth-blockchain-explorer-mean-https-pad-geolab-space-1eemv59krmalavl2pdd7cg