The past couple of days has been stressful for the owners of some of the ethereum-based ERC-20 tokens. Their smart contracts turned out to have a bug that allowed attackers to create an unlimited amount of tokens.
Having learned about this vulnerability, OKEx, Poloniex, Changelly, Quoine, HitBTC and other exchanges have suspended ERC-20 token deposits and withdrawals while reviewing all smart contracts for exposure to the reported batchOverflow bug.
The good news is that CRPT tokens are devoid of such problems. Lets see why
https://medium.com/@crypterium/three-reasons-why-crpt-is-safer-than-at-least-a-dozen-erc-20-tokens-9de89e32aeca