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I'm not an advocate for ETC. The only real working decentralized application running on a block chain is steemit. It would not be possible to run this on ETH or ETC. Those chains have a long way to go technology wise to get on graphene's level. Speculation wise there is probably a pretty penny to be made in ethereum alts, but market cap doestot reflect intrinsic value. Steem does more daily tx volume than Bitcoin and ethereum combined and look at where it is. We have a huge bubble circa 1999 on the horizon, it will make us all rich, but unless ethereum solves the scaling problem it wont survive.

Well steem and ETH are very different blockchains with very different tradeoffs. Steem is absolutely not the only application running on a blockchain. Steem/graphene make serious tradeoffs to get the speed they deliver. There will always be tradeoffs for speed and security.

There are plenty of solutions to ETH scaling issues.

what security tradeoff are you talking about?

They have a small set of federated block producing nodes. This is much different than other consensus mechanisms and makes many tradeoffs on the security side to allow for fast transactions.

Look at the Mauve paper below for a better idea of what some of these tradeoffs are:

https://cdn.hackaday.io/files/10879465447136/Mauve%20Paper%20Vitalik.pdf

https://medium.com/@VitalikButerin/safety-under-dynamic-validator-sets-ef0c3bbdf9f6

https://medium.com/@VitalikButerin/minimal-slashing-conditions-20f0b500fc6c