Re: [ANN] [ETC] Ethereum Classic: Immutable Smart Contracts
wtf!!! 
vbuterin Vitalik Buterin - Bitcoin & Ethereum Dev 7 points 1 month ago
ETC is mutable too; they mutated their transaction execution rules to fix the recent DoS issues, and there were even a couple contracts with a few ether whose behavior was changed as a result.
https://www.reddit.com/r/EthereumClassic/comments/5m0205/anything_related_to_etc_youd_like_to_see/
Quote
vbuterin Vitalik Buterin - Bitcoin & Ethereum Dev 7 points 1 month ago
ETC is mutable too; they mutated their transaction execution rules to fix the recent DoS issues, and there were even a couple contracts with a few ether whose behavior was changed as a result.
https://www.reddit.com/r/EthereumClassic/comments/5m0205/anything_related_to_etc_youd_like_to_see/