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The Stable-Coin Myth

The problems with the latest wave of cryptocurrencies will be familiar to anyone who has encountered even a single study of speculative attacks on pegged exchange rates, or to anyone who has had a coffee with an emerging-market central banker. But this doesn’t mean that the flaws in these schemes will be familiar to investors.

BERKELEY – While the mania for cryptocurrencies may have peaked, new units continue to be announced, seemingly by the day. Prominent among the new arrivals are so-called “stable coins.” Bearing names like Tether, Basis, and Sagacoin, their value is rigidly tied to the dollar, the euro, or a basket of national currencies.

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