Which of the following statements provides a valid reason in favor of blockchains over traditional databases?

Group of answer choices

$($a$)$ Traditional databases are not capable of storing transaction information

$($b$)$ Transaction data stored in a traditional database can be validated by anyone but blockchains offer a more closed solution that increases security.

$($c$)$ Transaction data are stored in a traditional database under the control of a single administrator who needs to be trusted, whereas blockchains create a distributed ledger that can be validated by anyone.

$($d$)$ All of the above