I see it as 2 separate problems: data availability and anonymous transfer. IMO, you need 2 separate solutions because they are 2 different problems. IPFS solve

I see it as 2 separate problems: data availability and anonymous transfer. IMO, you need 2 separate solutions because they are 2 different problems. IPFS solved the data availability problem because you can incentivize storage miners to make your data available. This is something new, IMO. Accessing it anonymously is possible with an extra protocol layer.