At least two characteristics of the blockchain can assist in securing IoT devices. Its immutability of data and the cryptographically secured, unique identity of an user...

It is critical that devices and software use a freely available, open, and common standardized protocol among different manufacturers to prevent the domination of a few closed proprietary silos under corporate control...

It [security] is, bar-none, the most important issue for IoT.  Current IoT security is dismal—mainly because the term “secure” means a lot of different things...

The importance of security in IoT can not be overstated. When you look at the big picture of how IoT increasingly permeate our personal lives and the very infrastructure of business and society itself it is quite daunting to think of the repercussions of failing to take security into account while engineering the technology that this ever-growing ecosystem emerges from...

We cannot be truly ourselves under the scrutiny of third-parties, may they be commercial entities, government, or criminals. This is why privacy is essential to a free society. Unless IoT can deliver its benefits without infringing on our privacy and ultimately our freedom then I'd rather live without IoT at all...