Trading bitcoin without protection: Crypto exchanges in regulatory hole We’re sorry, this service is currently unavailable. Please try again later. Dismiss Normal text size Advertisement After an initial investment of around $3000 two and a half years ago, Sonia Sexton was eyeing off an $8500 windfall. Her risky bet on the wild and woolly world of cryptocurrencies appeared to have paid off, promising a return even the most ambitious investors would be pleased with. But after months of dead ends, frustration and unanswered emails from online cryptocurrency exchange MyCryptoWallet where she first made her investment, the 60-year-old pensioner has given up on ever seeing her money again.