On Dec 20, 2015 6:34 AM, "Jeff Garzik via bitcoin-dev" <bitcoin-dev@lists.linuxfoundation.org> wrote:

> 2) This reverses the useful minimization attribute of HD wallets - "just backup the seed"

It would be nice if the bip37 filter matching algorithm was extended to serve up the proof.

And if server-based wallets did the same it would preserve the "just backup the seed" functionality.