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I think so - I think SIA is limited to personal use hosting until it really proves itself in the market, because corporations are unlikely to willingly have their data distributed across other people's computers even if it is encrypted.

Where as Golem when you are just renting processing power from people, it means there is nothing you can steal.

Plus each year our demand for processing goes up and our demand for storage goes down. So long term trend alone would suggest Golem should win.