Yea, and how do you do that in a decentralized way?
Easy, you honor the first one to get the name by transaction time.
Memo have you considered showing threads in a reddit like style? More like a tree instead of frames within frames which honestly confuse me completely?
How Crypto should be used:
The Times 03/Jan/2009 Chancellor on brink of second bailout for banks
Popularity is histories pocket change, courage is histories true currency.
