Base64 is widespread and works fine, while nobody groks base122. Base122 requires UTF-8, and while that's pretty common, it's not universal, so base64 can't ev

Base64 is widespread and works fine, while nobody groks base122. Base122 requires UTF-8, and while that's pretty common, it's not universal, so base64 can't ever go away in favor of base122. Compressed base64 is more efficient than base122 (with or without compression). Conclusion: Big nope.