Challenger
Validation error
{{hint}}
![GNU Taler](data:image/svg+xml,<?xml version="1.0" encoding="UTF-8" standalone="no"?>%0A<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 201 90">%0A <g fill="%230042b3" fill-rule="evenodd" stroke-width=".3">%0A <path d="M86.7 1.1c15.6 0 29 9.4 36 23.2h-5.9A35.1 35.1 0 0086.7 6.5C67 6.5 51 23.6 51 44.7c0 10.4 3.8 19.7 10 26.6a31.4 31.4 0 01-4.2 3A45.2 45.2 0 0146 44.7c0-24 18.2-43.6 40.7-43.6zm35.8 64.3a40.4 40.4 0 01-39 22.8c3-1.5 6-3.5 8.6-5.7a35.6 35.6 0 0024.6-17.1z" />%0A <path d="M64.2 1.1l3.1.1c-3 1.6-5.9 3.5-8.5 5.8a37.5 37.5 0 00-30.2 37.7c0 14.3 7.3 26.7 18 33.3a29.6 29.6 0 01-8.5.2c-9-8-14.6-20-14.6-33.5 0-24 18.2-43.6 40.7-43.6zm5.4 81.4a35.6 35.6 0 0024.6-17.1h5.9a40.4 40.4 0 01-39 22.8c3-1.5 5.9-3.5 8.5-5.7zm24.8-58.2a37 37 0 00-12.6-12.8 29.6 29.6 0 018.5-.2c4 3.6 7.4 8 9.9 13z" />%0A <path d="M41.8 1.1c1 0 2 0 3.1.2-3 1.5-5.9 3.4-8.5 5.6A37.5 37.5 0 006.1 44.7c0 21.1 16 38.3 35.7 38.3 12.6 0 23.6-7 30-17.6h5.8a40.4 40.4 0 01-35.8 23C19.3 88.4 1 68.8 1 44.7c0-24 18.2-43.6 40.7-43.6zm30.1 23.2a38.1 38.1 0 00-4.5-6.1c1.3-1.2 2.7-2.2 4.3-3 2.3 2.7 4.4 5.8 6 9.1z" />%0A </g>%0A <path d="M76.1 34.4h9.2v-5H61.9v5H71v26h5.1zM92.6 52.9h13.7l3 7.4h5.3l-12.7-31.2h-4.7L84.5 60.3h5.2zm11.8-4.9h-9.9l5-12.4zM123.8 29.4h-4.6v31h20.6v-5h-16zM166.5 29.4H145v31h21.6v-5H150v-8.3h14.5v-4.9h-14.5v-8h16.4zM191.2 39.5c0 1.6-.5 2.8-1.6 3.8s-2.6 1.4-4.4 1.4h-7.4V34.3h7.4c1.9 0 3.4.4 4.4 1.3 1 .9 1.6 2.2 1.6 3.9zm6 20.8l-7.7-11.7c1-.3 1.9-.7 2.7-1.3a8.8 8.8 0 003.6-4.6c.4-1 .5-2.2.5-3.5 0-1.5-.2-2.9-.7-4.1a8.4 8.4 0 00-2.1-3.1c-1-.8-2-1.5-3.4-2-1.3-.4-2.8-.6-4.5-.6h-12.9v31h5V49.4h6.5l7 10.8z" />%0A</svg>)