Gavin Andresen - 2014-10-14 15:47:59

You guys say that hard drives are cheap but you still have to scan the block chain at first. It takes a very long time to do but is the only trust less solution, isn't it?

Yes, today. But not at some point in the future. Please read about "UTXO commitments" in https://bitcoinfoundation.org/2014/10/a-scalability-roadmap/