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You can. Currys allow you to buy in cash.

• gouranga 14y ago
  Replying to my own post here (the shame!) but it's relevant and hopefully slightly interesting: You can purchase SIM cards from most supermarkets in the UK for around the £1-5 mark and a basic Nokia handset for £10-15. You can top these up using cash at any supermarket checkout with "topup vouchers". If you top up £15 that gives you 100% unlimited O2->O2 calls and texts for a month. I reckon with a one time pad system such as the one described at [1], it is the most reliable, anonymous, secure point to point country-wide messaging system that you can create and it's not expensive or complicated. I might write the whole thing up as an experiment and hopefully I won't get chucked in jail for doing so! [1] http://users.telenet.be/d.rijmenants/en/onetimepad.htm http://users.telenet.be/d.rijmenants/en/onetimepad.htm
  • petitmiam 14y ago
    and if the SIM has international roaming, it can be used in countries like Australia (where prepaid SIMs must be registered).