Australian Crypto Exchange Accidentally Exposes Over 270,000 Customer Emails by CryptoPotatoDecember 2, 2020 Test emailing gone wrong has resulted in the accidental exposure of over 270,000 customer emails of the Australian crypto exchange – BTC Markets. Source Tagged : Aa News / All News / Australia / Bitcoin / BTCEUR / BTCGBP / BTCUSD / BTCUSDT / Crypto News / Customer / Exchange / Security / Social