aliased account names
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Domain aliased accounts
A domain alias is a domain name you own that you use as your cryptonite address. Bitfreak owns bitfreak.info so he could use xcn:bitfreak.info as his cryptonite address.
I like both ideas, although the domain aliasing seems like a (minor) PITA. The Namecoins I spend landgrabbing and squatting on .bit domains never turned a profit, but human-friendly vanity addresses are still very popular with the kids nowadays.

Since Namecoin is merge-mined with BTC and thus very secure and more decentralized than (higher barrier to entry) ICANN DNS, perhaps we should just register one .bit address to store/resolve all of our various coin addresses? EG [btc/ltc/xpm/xmr/bbr/xdn/via/xcn]:bitfreak.bit
The land-grab (but not cybersquatting) may be curtailed by only allowing block solvers to register aliases. BBR uses this constraint and limits alias creation to one per block, which also creates an additional incentive to solo mine. OTOH, pools could create an additional revenue (and dev donation) stream by offering alias registration services via flat-rate, priority, or auction based pricing mechanisms.