Bobo Bingo

Hi, I'm a newbie. Had a question about storage. Many contracts store info in their contract like the balance. Say you use many mappings like that, from an address to an int. W...

wait was i understanding it wrong when i thought EVM has internal state of the contract (e.g. a mapping from addresses to balances) and the blockchain just has the transaction...

how does it work then? a simple example, say i keep the balance of every holder as per usual. I got a billion holders

but practically speaking the nodes just scale their systems horizontally then, to be able to keep up?