Weeks after it was announced to great fanfare, the much-awaited Ethereum Classic hard fork Mystique is finally live. As expected, it was activated at block 14,525,000, with ETC Cooperative clarifying beforehand that “this is not a contentious hard-fork, just a routine protocol upgrade.”
<p lang=«en» dir=«ltr» xml:lang=«en»>The ETC Mystique hard-fork successfully activated at block 14,525,000 just over half an hour ago:https://t.co/DCOeFeSEl7Forkmon:https://t.co/BkeNwYbRjO
Mining pools:https://t.co/pUV5oFR1KV
Congratulations and thanks, everyone! pic.twitter.com/SQTJq2VexR
— ETC Cooperative (@ETCCooperative) February 12, 2022
As of the end of last month, node readiness was just 35% across the board. At the time of writing, however, the total node readiness was calculated to be around 65.4%.
The larger focus of the present hard fork is compatibility. Mystique will allow and enable outstanding Ethereum London upgrades to be implemented across Ethereum Classic’s network. The hard fork was initially proposed in the form of ECIP 1104. Via the same, only parts or subsets of the London upgrade have now been selectively enabled on the ETC Network.
This also ties in with what Afri Schoedon said during a con-call a few days ago,
“I think the most important feature of Ethereum Classic today is its protocol parity with other EVM networks. I would argue this is biggest benefit of using ETC today.”
Mystique includes the implementation of EIP-3529 (Alternative fund reduction) and EIP-3541 (Reject new contracts starting with the 0xEF byte). On the contrary, it omits the EIPs pertaining to Fee market change, BASEFEE opcode, and difficulty bomb delay. While the former two “conflict with ETC’s fixed monetary policy,” the latter is not applicable
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