How blockchain will transform digital signage advertising | Blockchain Tech News | The MarTech Alert | Scoop.it
 A decentralized ledger like blockchain can impact digital signage in many ways. First of all, it can help confirm impressions for digital signage advertisements. This kind of technology is already at work with the company VODXS.

On the customer level, DOOH advertisers can also incentivize customers to engage with campaigns through tokenization. For example, a campaign could encourage customers to take a picture of an advertisement and share it on their social media profiles in exchange for cryptocurrency, which can be delivered to an app.