legacy message sign verify BIP to get the ball rolling.  

early draft: https://github.com/brianddk/bips/blob/legacysignverify/bip-0xyz.mediawiki

On Tue, Dec 19, 2017 at 3:36 PM, Pavol Rusnak <stick@satoshilabs.com> wrote:
On 08/12/17 19:25, Dan Bryant via bitcoin-dev wrote:
> I know there are posts, and an issue opened against it, but is there
> anyone writing a BIP for Sign / Verify message against a SegWit address?

Dan, are you still planning to write this BIP?

--
Best Regards / S pozdravom,

Pavol "stick" Rusnak
CTO, SatoshiLabs