<p dir="ltr"><br> On Nov 17, 2014 7:39 AM, "Pieter Wuille" <<a href="mailto:pieter.wuille@gmail.com">pieter.wuille@gmail.com</a>> wrote:</p> <p dir="ltr">> That is inevitable for any wallet that offers any functionality beyond<br> > just maintaining a balance and the ability to send coins. In<br> > particular, anything that wishes to list previous transaction (with<br> > timestamps, history, metadata, messages sent using t<br> > What HD wallets (or any type of deterministic derivation scheme) offer<br> > is the fact that you can separate secret data and public data. You<br> > only need one safe backup of the master secret key - all the rest can<br> > at most result in privacy loss and not in lost coins.<br> ><br> > --<br> > Pieter</p> <p dir="ltr">I agree but right now wallets not using stealth will only lose metadata, not coins, if their computer crashes and they have the seed backed up. </p> <p dir="ltr">But if a user wants to upgrade to stealth, they then risk losing metadata AND coins if they either didn't manually back up after every transaction or use a centralized cloud backup service.</p> <p dir="ltr">That's if OP_RETURN is not utilized for storage. </p>