The news of Samsung adding a cold storage wallet to their flagship phone, the S10, sent a bullish signal to the bitcoin and blockchain world. The Korean technology magnate, which also is producing mining chips, is bringing cryptocurrency to cell phones. This is a big deal. The majority of Samsung customers, who are non-cryptocurrency users, will have built in exposure to cryptocurrency in the most important electronic device they own. We take a look at blockchain phones and the importance of the cell phone in cryptocurrency and blockchain adoption.