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This is actually a huge stopper on the way of wider adoption of Bitcoin. As the latecomer to the cryptocurrency scene, I heard about it from time to time since 2008-2009, but I am not invested into it. But I understand its technical limitations, and they are something that stop me from investing into it. I might get a little as a store of value, but currently I think that there are much better alternatives. Steem is one of them, for PoW based blockchains I prefer Dash (and since I am working with guys on ETC based project — ETC).

hit me up on telegram or so ;)

If blockchain expands then fees will go downward not upward

its not that simple on BTC and all parties that have to get consensus

No, larger blocksize == lower transaction fees, because less competing to get into the next block.

The problem is disk space requirement. I don't think its really a problem though, 2TB drives are cheap