why? I'm not so much into Ethereum, I'm focussing on other projects.
Because they claim the opposite. Whom should I trust, to them (who proved their expertise) or to you (who is a random dude from the Internet)?
I guess you speak about Ethereum sharding or so. I think this discussion should not happen in the IOTA thread.
I expected a direct answer to the direct question...
You are a nobody, can not expect from others what you do not provide either. Answer the questions in this thread about IOTA or stfu and enjoy your scammed money.
He's just a "investor" not as developer. He believes in this project. I talked with him in slack. I doubt that he understands it.
Think about it you do not have thew whole tangle. You should approve two transactions. So without going two a third party and aks it for state you can you confirm in the dark, which implies that your transaction maybe is not legitim.
Try to ask such a question on slack they will give you that as answer
https://en.wikipedia.org/wiki/Holographic_principle.
As already pointed out they are trying to make an unspottable scam, where they constantly try to tell you that you do not have the knowledge to understand. They also claim that they have some revolutary technique behind iota that currently
nobody is aware of and do not release information about it. At the current state they running their system with a centralized coordinator and they haven't released any information how it should run without it.
Be aware...