The Fragility of Blockchain Challenges
New research reveals fundamental limitations in designing effective incentives for blockchain protocols that rely on challenge-based validation.
Science
Local-First Integrity: A New Approach to Data Ownership
A new distributed system, Sark, prioritizes user control and data security by eschewing global state in favor of local-first integrity management.
Channel Alchemy: Building Superchannels from Random Noise
Researchers have devised efficient quantum circuits for constructing powerful ‘superchannels’ from seemingly random quantum noise, opening new avenues for quantum information processing.
Hidden in Entanglement: A New Path to Anonymous Communication
Researchers have developed a novel quantum protocol that leverages the unique properties of entanglement to enable perfectly anonymous communication without relying on trusted devices or classical infrastructure.
Cooling Quantum Systems: A New Path to Molecular Ground States
![A quantum computational method leverages an initial high-energy state-created via [latex]XX[/latex] gates-and subsequent layers of Givens rotations ([latex]GG[/latex]) and on-site potential adjustments ([latex]OO[/latex]) to efficiently map spin orbitals and navigate toward the ground state, eschewing the traditional Hartree-Fock starting point in favor of a “rolling rock” approach to optimization.](https://arxiv.org/html/2512.21069v1/x1.png)
Researchers have developed a streamlined variational quantum algorithm that efficiently prepares the ground states of molecules using a cooling-inspired approach and simplified operations.
Beyond Layers: A New Neural Network Inspired by Quantum Circuits
Researchers have developed Q-RUN, a classical neural network architecture that borrows principles from data re-uploading quantum circuits to achieve improved performance and efficiency.
Quantum Cash: A Simpler Path to Secure Digital Money
Researchers have devised a new quantum money protocol that dramatically reduces the quantum resources needed for secure, publicly verifiable transactions.
Quieter Circuits: Taming Electromagnetic Leaks in Digital Design
New research reveals how minimizing energy dissipation during capacitor charging can significantly reduce electromagnetic radiation and bolster defenses against side-channel attacks.
Rewriting Reality: A New Path to Quantum Logic
Researchers are demonstrating that the rules governing quantum operations can emerge from surprisingly simple, non-quantum systems of symbolic rewriting.
Quantum Scars Hold the Key to Persistent Work
New research reveals that quantum many-body scars can retain significantly more extractable work than typical quantum systems, offering a potential path toward more efficient quantum energy storage.