[fastdev]

> However, in reality centralisation is harder to scale, due to the bottle necks on the central parts of the system. Decentralisation can be theoretical easier to scale, as bottlenecks don't occur as easily.

There is a difference between "distributed" and "decentralized". Uber, Amazon.com, Booking.com are distributed applications that can process a tremendous amount of transactions per second. At the same time, Amazon.com is owned by a single organization that controls data, hardware and makes all the decisions.

On the other hand, Bitcoin/Ethereum are decentralized: there is no single actor that is performing all state changes.