(1) At the moment we all talk about miners, GPUs, ASCIS, bulletin boards are filled with discussions. But once no new BTC are mined, will the price drop to 0? Because no one cares about BTC any more?
As far as I got it, once all 21 million BTC were mined, new blocks can still be created through mining, but won't be rewarded with the newly generated BTCs (50 BTC at the moment). Instead of this, the fees will rise, so that the fee value will be payed to the miners to create new blocks. Without the creation of any new blocks, transactions won't be possible...