Quote from: Etlase2 on April 19, 2012, 03:03:32 PM

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MicroCash will have an alternate 51% mining protection mechanism which will mean the power of the network is more in the users hands

Accounts store public keys so that once set it's more secure than ripemd160

details prz

Sounds like they are storing the public key with the accounts so that it is "Set" once and can't be changed. This way it won't be relying upon a potentially weak hash to secure a public key anymore, but the actual public key. Probably also why they can reduce transaction size so drastically.