Block height - The block amount and size in the blockchain (in blocks) on development of the present block Nonce - The transaction number for your from address (bear in mind this begins at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarkindexing.com/story20552746/5-essential-elements-for-blockchain-explorer-ethereum-https-pad-geolab-space-1eemv59krmalavl2pdd7cg