Some use cases for digital p2p cash : * Porn * Donations to wikileaks * Pot * Sending money to Venezuela * Leaving Venezuela with your wealth intact * Pay

Some use cases for digital p2p cash : * Porn * Donations to wikileaks * Pot * Sending money to Venezuela * Leaving Venezuela with your wealth intact * Payments without giving all transaction info third parties (PayPal, VISA, etc). Look into Monero for untraceable transactions. * Digital payments for the unbanked These are all served better by cryptocurrencies than other alternatives.