What is SIN?
SIN meaning n. Single (or System) Identification Number. An ID number unique to each citizen. Many streetpeople (nomads, derelicts) are said to be ‘SINless’, i.e. without a SIN. This makes them unknown (non-existent) to the system. It allows them to move about in society more freely than a `recorded’ citizen, but also allows the enforcers of society (police and corp. security) to punish/abuse them without due process since, technically, they `do not exist’.
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