why ethereum is called world computer?

in bitcoin, state transitions occur with tx’s of bitcoin which also cause the global state transitions. meaning, it’s strictly restricted to tracking of currency ownership. 

while, ethereum tracks the state transitions of any type of data, not just tx’s. so like a computer that stores both code & data in memory. 

it operates similarly, where smart contracts are stored & executed by EVM + allows devs to program state machine, managing apps, & so on. 

decentralized network of thousands of nodes worldwide without relying on a single entity for control is what makes it a : -

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