TOKYO—The Japanese government officially said Friday that it doesn't consider bitcoin to be a currency and has no plans at present to regulate it as a financial product.

As it tries to cope with the fallout from the bankruptcy of the Tokyo-based Mt. Gox bitcoin exchange, the government said that the crypto-currency would be treated like other goods and services, with commercial sales of bitcoin itself and bitcoin-based transactions subject to sales tax. In addition, any gains on exchange rates will be taxed as well.

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