San Francisco-based bitcoin exchange Kraken is planning to expand into Japan, where a local exchange for the bitcoin virtual currency failed last month, Kraken CEO Jesse Powell said in a recent interview.

Kraken is considering opening a Japanese-language website for bitcoin-yen trade in the market that the failed exchange, Mt. Gox, had almost monopolized, Powell said.

Ayako Miyaguchi, in charge of preparations for Kraken's expansion into Japan, said she will develop a specific plan while contacting Japanese authorities and banks.