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RE: How Engine Works
No I think you explained it quite well I just don't really see the vulnerability. The client/server/node ignores invalid transactions and you can't spam invalid transactions forever because of RC costs... not to mention the stake it would require to do such a thing and the flags and reputation loss that would rain down on you for such an action.
No, but the difference is that in steemsmartcontracts you can define your own operations/contract functions, and things to do based on those functions. So you could define an function that, when you create the cooresponding operation, causes all steemsmartcontract nodes to go into an infinite loop or something similar.
Look at [this comment] for more details about how this vulnerability can be extended further as long as there are no computational fees.
You could use an account that has never posted -- even created through anonsteem because these transactions cost very little RC to avoid flags.
Ah nice thanks for clearing that up. My ignorance on the subject is great.
Not really, though. You understand a lot more than most people, and I just wasn’t explaining well.