Quantum resistance is becoming a serious topic for blockchain infrastructure and the challenge is bigger than simply replacing old signatures. What matters is how easily a network can adapt when cryptographic standards change. @Starknet has an interesting advantage here through account abstraction. Since accounts are programmable smart contracts, their verification logic can be upgraded without changing addresses or moving assets. That creates a more flexible path toward post-quantum security, potentially allowing accounts to adopt newer signature systems without waiting for a network-wide migration. The independent L1 research makes this even more interesting. It could give Starknet greater control over consensus, data availability and bridging security instead of relying on Ethereum's cryptographic limitations. Still, this is a research direction, not a finished solution. Post-quantum verification has performance costs and several infrastructure challenges remain. For me, the bigger takeaway is simple: building secure infrastructure also means preparing for threats that don't exist at scale yet.