Yggdrasil uses exclusively IPv6 for routing on its own overlay network, but not on the Internet. See https://yggdrasil-network.github.io/faq.html#does-yggdrasil

Yggdrasil uses exclusively IPv6 for routing on its own overlay network, but not on the Internet. See https://yggdrasil-network.github.io/faq.html#does-yggdrasil-require-ipv6 https://yggdrasil-network.github.io/faq.html#does-yggdrasil-...