On the other hand: Bitcoin itself maybe has some options to make exchanges doable by scripting operations. But that would mean that each transaction will be delayed the same way as regular payments... And still there has to be a machanism to pair trades... and still it doesn't seem to be good to bloat the blockchain with all stock exchanges => maybe some merge-mined crypto just for this purpose?
Solar system to power hundreds of watts for GPUs? I think that investment into such solar power would be quite expensive... and probably with negative return...
Nice one - boiling in waterblock... expensive cup of tea... I thought miners can be set to not go beyond certain temperature. At least ufasoft miner can do this.