> In case you think that's theoretical, a bug with integer overflow let an attacker creating 184 billion bitcoins out of thin air. To fix this, a new implementa

> In case you think that's theoretical, a bug with integer overflow let an attacker creating 184 billion bitcoins out of thin air. To fix this, a new implementation was pushed out, which ended orphaning more than 8 hours of transactions. In other words, even after 8 hours you can't be certain that Bitcoin transactions are durable. That was in 2010. Most of the users take certain level of risk, also different kinds of people have different risk appetite. If you really think this is still a relevant risk, then probably you shouldn't use cryptocurrencies at all. Stay with the safe and proven almighty dollar.