Innovations in computing and ubiquitous network infrastructures have driven the growing interest in digital currencies and payment technologies. Prominent examples include BitCoin, MPesa, ApplePay, and Venmo; in some cases, they have radically changed the ways in which we are able to transact with others. These technologies not only offer new ways of interacting with money but also can transform our understanding of how financial operations occur, how to make sense of financial information, and how these new forms of money or payment methods change our social interactions. Such developments present critical questions for HCI and IxD, including how we…
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