Concern Hybrid Overstock made a statement about a significant failure in the payment system, which allowed to pay bitcoin (BTC) and bitcoin cash (BCH) interchangeably, which provides a huge discount, instead of the real amount in bitkoynah you can make bitkoyn cash and pay 6 times less.
In addition to charging BTC or BCH at a rate of 1: 1 for the same item, any requests for refund were paid exclusively to BTC, which resulted in substantial profits for those who pay in bitcoin cash.
In the course of the experiment, it was found that when buying a product for $ 78, you can pay Bitcoin Cash instead of bitcoin, which is only $ 12. Additional damage was caused by the processing of returns on the same principle.
After receiving information about the error, the specialists of the concern conducted an appropriate study and the elimination of a malfunction in the payment system. The corporation blamed the incident on Coinbase, a partner of Overstock. She, in turn, denied the allegation and stated that the problem was with Overstock.