<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64"><rect width="64" height="64" rx="12" fill="#08090b"/><text x="32" y="45" font-family="Arial, sans-serif" font-size="38" font-weight="bold" fill="#f7931a" text-anchor="middle">₿</text></svg>
