Vodafone looks to integrate crypto wallets with SIM cards - Crypto wallets on sim cards is an idea I wrote about several months ago. Seemed to me that it would be an ideal place to have such a thing. So this article made me smile. I'm suprised that the development costs are projected to be in the billions of dollars. Sure would be awesome to have secure wallets in such a small form factor on comodity hardware. cointelegraph.com #