Which of this following statements are true [Select all that are true]

1. In the blockchain, it is impossible to change a single piece of information in a previous block without affecting the future blocks.

2. In SHA256, the term 'FTX file for bankruptcy' and 'FTX File for Bankruptcy' will generate same hash function?

3. Because of its associated challenges, Bitcoin can not be used as a medium of exchange.

4. The main difference between a traditional ledger and a distributed ledger is that in a distributed ledger, in times of discrepancy, all nodes participate in determining the true state of the ledger.

5. In the hash function, the output carries significant identifying information about the input.