They believed that this decision made was as a result of being the use of cryptocurrency as a means to engage into illegal financial activities such as scam and other fraudulent attempts by the people, you can read further from the links below and drop your opinion on this ban.
If this should be the reason for their ban on Bitcoin, the use of money should be ban also because you can use money to carrying out the mentioned illegal financial activities.
That side, Algeria government is taking the wrong step. They just want to deny the financial freedom Bitcoin will be bringing to the citizens of Algeria. It's unfortunate that the present government is misunderstanding what Bitcoin offers