"The CAPTCHA protocol
Difficult choices.
Olympus Mons Data Recovery Centre, 2830
Kael-7 felt the phantom itch in his neural interface — a topological dissonance. As lead logic archaeologist, he was accustomed to the fluid elegance of 137-base ternary systems, where data flowed like continuous, braided music. But the artefact pulsating on his retina was different. It was a clot of binary jaggedness, a relic that refused to integrate with the smooth curves of Martian reality.
(. . .)"