2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/21196We theoretically show that spontaneously interlayer-coherent bilayer quantum Hall droplets should allow robust and fault-tolerant pseudospin quantum computation in semiconductor nanostructures with voltage-tuned external gates providing qubit control and a quantum Ising Hamiltonian providing qubit entanglement. Using a spin-boson model we estimate decoherence to be small $(\sim 10^{-5})$.5 pages, 3 figures New version to appear in PRLMesoscale and Nanoscale PhysicsQuantum Physicstext