Who is the beneficiary of the social security card handled by the prison?

The beneficiary of the social security card handled by the prison is an individual.

Prison provides social security for every prisoner on behalf of the state. Different places may have different ways, but every prisoner will have some corresponding social insurance.

Social security card is the first proof of your insurance. You can use it to check your social security payment. Social security card is often a kind of identification, a bit like an ID card.