Practicing Exercises Bitcoin Questions to answer (for each address): • What is the active period (UTC)? . What is the balance? • How many transactions are related to this address? . How many Bitcoins has the address received in total? • • • In the most recent transaction (sent), how many output addresses does this address transfer money into? In the most recent transaction (received), how many Bitcoins have been transferred into this address? For the three addresses, which address was used as the self-change address (i.e., which address was used as both the input and output address in the transaction) ? Please comment on this type of transaction (containing self-change address).

Fig: 1