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by mike_hearn 4448 days ago
I think people involved with it over the long term have always said that it's a risky experiment that might fail. Bitcoin resembles a sandcastle far more than a honey badger, that's for sure.

"Honesty" is defined to mean "following the rules". The first seen rule is a part of that set. BitUndo isn't attempting to fork the chain today, but they certainly could - it's a simple extension of their model. Double spending for a fee doesn't really care whether a tx is unconfirmed or not, it simply alters the price charged.