G+: Way back in 2011 when Bitcoin was young …

David Coles
Way back in 2011 when Bitcoin was young service and roughly on parity with the US and Australian dollar there was an service called CoinPal that made it comparatively easy to purchase Bitcoin via PayPal.

Since PayPal transactions can be reverted, yet Bitcoin transactions are permanent there was an inherent risk of fraud. After CoinPal was shutdown by PayPal, the creator wrote this article about how he mitigated these issues.

How CoinPal avoided PayPal fraud