Bitcoin infrastructure consists of many layers:

* Security
* Privacy
* Adoption
* Payments
* Scaling 
* Trade

Find out some of the companies contributing in the ecosystem:

![Security-1200x354.png](https://cdn.steemitimages.com/DQme1wEPPjHe62BvhRD8cDqaEpMo6P7gU5Sb4MFRupKn5Xn/Security-1200x354.png)

![Screen-Shot-2018-10-02-at-5.38.48-PM-1200x318.png](https://cdn.steemitimages.com/DQmTN5BRAXeq17rmDZRKrUYjfyAKT1QUCpNg3etZJnfX76L/Screen-Shot-2018-10-02-at-5.38.48-PM-1200x318.png)

![Payments-1200x320.png](https://cdn.steemitimages.com/DQmdVNirjoufbpvC4waQdA7ZjfjcYraY63HEp4LBTECUfq9/Payments-1200x320.png)

![Scaling-1200x326.png](https://cdn.steemitimages.com/DQmaGSPCxeVteyUm5bKRb4wXtnRcZ22jgFeDE4k9yagoeja/Scaling-1200x326.png)

![Privacy-1200x339.png](https://cdn.steemitimages.com/DQmcyHgpNeCbz98c74JXkuA6kpaSfKrhvBJ2LrhoiAKMGX2/Privacy-1200x339.png)

![Screen-Shot-2018-10-03-at-3.18.32-PM-1200x329.png](https://cdn.steemitimages.com/DQmef5zYtMNsU66qWedQAnyoFELXcyL3165qQpR9wz2ibGg/Screen-Shot-2018-10-03-at-3.18.32-PM-1200x329.png)

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