Bitcoin Press Release: Polybius Cryptobank project announced five week-long ICO, starting May 31, 2017. June 2, 2017, Tallinn, Estonia – The Estonian-Swiss project Polybius (a.k.a. project Polybius Bank), a financial institution for the next generation, launched its crowdfunding ICO on May 31st, 2017. For five weeks from May 31st, investors