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Morning Edition · Monday, October 26, 2026Published at 1:45 AM EDT · New York
A Live Ethereum Rollup Drops Elliptic-Curve Signatures for Hash Chains as Post-Quantum Designs Move Toward Production
The bb84 payments rollup authenticates every layer-2 transaction with keccak-256 preimages, while new research and Aztec's 2030 roadmap show the cost and the long timelines of quantum migration.
The founder of bb84, a payments app, has described on Ethereum Research an OP Stack rollup that has run on Ethereum mainnet since Sept. 30 with no signatures inside its layer 2 (L2). The founder disclosed the commercial interest and asked f…
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Quantum Risk Moves From Theory to Crypto Roadmaps
Over the next 3-6 months, quantum-resistance becomes a concrete design and custody concern across major chains and institutional custodians, driving opt-in post-quantum schemes and 'long-dormant coin' risk discussion.
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