After the Mt. Gox cryptocurrency exchange was stung by a half-billion dollar theft in 2014, Japanese regulators swung into action.
The risks are clear: digital currency investors have already lost billions from dozens of cryptocurrency hacks, technical errors and fraud.
The theft highlights the vulnerabilities in trading an asset that global policymakers are struggling to regulate and the broader risks for Japan as it aims to leverage the fintech industry to stimulate economic growth.
That amounts to nearly 90 percent of the 58 billion yen worth of NEM coins the company lost in an attack that forced it to suspend on Friday withdrawals of all cryptocurrencies except bitcoin.