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The problem with reverting to a standard wallet with static interest is that all of the coins that have been created through dynamic interest thus far would be invalidated. That's the only reason we're even grappling with this problem right now.

The test wallet is having similar problems with dynamic interest as the first one. One proposed fix was that we lengthen the time between blocks so that the issue of different blockchains due to the dynamic interest system is mitigated. So that's where we are right now.