The Optimism blockchain team $OP presented a long-term strategy for the transition of the Superchain ecosystem to post-quantum cryptography, warning that the emergence of large-scale quantum computers in the future could threaten the underlying cryptographic mechanisms of Ethereum $ETH and L2 networks.
The company emphasized that "signatures and cryptographic commitments are the foundation of the system. If they are broken, everything built on top of them will be at risk."
At the same time, OP Stack has already been designed to replace signature schemes through hard forks, so the transition is seen more as a coordination task rather than a complete overhaul of the architecture.
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