2 thoughts on “What is quality coin, the scientific value of quality coins”

  1. Primecoin is also known as "XPM", which is also known as plain coins. The team promotes "mathematical value". At present, foreign countries have traded in Vircurex, Cryptsy, and BTC-E. There are trading platforms in the Biter and Bitt era in China. This currency attempts to use the energy wasting of the unprepared algorithm in the virtual currency. Quality currency XPM is different from all other electronic currencies. It is the first electronic currency proposed for mathematical issues in the world.

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