Block height - The block quantity and length in the blockchain (in blocks) on development of the current block Nonce - The transaction variety for that from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://thejillist.com/story10625659/what-does-eth-blockchain-explorer-mean-https-www-hulkshare-com-circledrop4