Conceptually, no big deal. Most registries already deliver blob contents from a CDN or object store (via HTTP redirect). However, the registry protocol (i.e. th

Conceptually, no big deal. Most registries already deliver blob contents from a CDN or object store (via HTTP redirect). However, the registry protocol (i.e. the Open Containers Distribution API) only knows HTTP, so you'd have to use a HTTP-to-IPFS proxy to use the IPFS backing store with existing clients.