Halving day was an interesting test that the community passed, which is really cool.
What I look forward to seeing next is how a malicious, distributed hijacking of the block chain is handled once it's profitable to attempt.
What I look forward to seeing next is how a malicious, distributed hijacking of the block chain is handled once it's profitable to attempt.
I'd be more concerned about governments or corporations who want to sabotage Bitcoin, or bugs in the software like we saw last week with the blockchain fork.
Right now it would only take a couple million dollars worth of ASICs to overwhelm the current hash rate. That should change as more ASIC manufacturers start shipping.
The volume of MTGOX-USD is $69M for a 30 day period, which is about $2.3M a day. Source: http://bitcoincharts.com/markets/mtgoxUSD.html