The thing is that unlike paper currencies, digital tokens that are made up of digital files can be copied and faked quite easily. It is one of the main flaws in using and creating digital money, and this problem has somewhat reduced the credibility of blockchain. You could say that double-spending is one of the main reasons why using digital money has not become widespread yet. And look, it’s not the fault of cryptocurrencies themselves. But the ever-growing selection of crypto-related services requires us to deal with this threat immediately. And here’s the good news: there’s a mobile payment app that can help do that. It checks all the details of your crypto-transactions to detect double-spending. So whether you run an online website with games like Magic Stone that accept cryptocurrencies or simply like investing in cryptocurrencies, you can now amp up your security with this useful tool. It’s called PayNoWay. We’ll go into more detail on how it works later. But first, let’s take a closer look at what double spending is in the crypto-world. Ready?