Block height - The block quantity and size in the blockchain (in blocks) on development 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 really be the 101st transaction submitted by this account) https://getsocialsource.com/story5656428/facts-about-blockchain-explorer-confirmed-transactions-revealed-https-kearns-horn-hubstack-net-monitoring-transfers-how-distributed-ledger-analyzers-work