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Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Proposed BIP 70 extension
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Seems like a nice idea.
On 24 June 2014 14:27, Mike Hearn <mike@plan99.net> wrote:
> Coinbase have started allowing merchants to set discounts for purchasing
> with Bitcoin. Seeing an individual discount is not very motivating as they
> tend to be small. Seeing them stack up over time can be more motivating
> because it feels like free money. Many businesses exploit this effect with
> loyalty points, etc. Bitcoin should do this too - show the user how much
> they're saving by using Bitcoin instead of credit cards.
>
> I suggested to Charlie Lee (who pushed this through at Coinbase) and
> Stephen Pair the following minor BIP 70 extension:
>
>
> message PaymentDetails {
> // Size in satoshis of any discount provided by the merchant ONLY
> // because the user chose to pay using Bitcoin or other similar
> // digital currency. Other kinds of discounts, loyalty bonuses and
> // so on should not be recorded here, rather they could be mentioned
> // in the memo field. This field exists so wallets can show the user
> // a running total of how much money they have saved by avoiding
> // credit cards and bank payments; the goal is to encourage people to
> // use Bitcoin. Putting other kinds of discounts here would make the
> // running total calculated meaningless; so don't do it!
> optional uint64 currency_usage_discount_size = 8;
> }
>
> Wallets would then be able to persist this data to disk and compete on
> cool visualisations for how much money you saved over time.
>
> We haven't formalised how to extend BIP 70 yet, that's my fault. We should
> do that. In the meantime, what do people think of this proposal?
>
>
> ------------------------------------------------------------------------------
> Open source business process management suite built on Java and Eclipse
> Turn processes into business applications with Bonita BPM Community Edition
> Quickly connect people, data, and systems into organized workflows
> Winner of BOSSIE, CODIE, OW2 and Gartner awards
> http://p.sf.net/sfu/Bonitasoft
> _______________________________________________
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>
>
--089e013d0f168a08b104fc9869ed
Content-Type: text/html; charset=UTF-8
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<div dir=3D"ltr">Seems like a nice idea.</div><div class=3D"gmail_extra"><b=
r><br><div class=3D"gmail_quote">On 24 June 2014 14:27, Mike Hearn <span di=
r=3D"ltr"><<a href=3D"mailto:mike@plan99.net" target=3D"_blank">mike@pla=
n99.net</a>></span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"ltr">Coinbase have started allow=
ing merchants to set discounts for purchasing with Bitcoin. Seeing an indiv=
idual discount is not very motivating as they tend to be small. Seeing them=
stack up over time can be more motivating because it feels like free money=
. Many businesses exploit this effect with loyalty points, etc. Bitcoin sho=
uld do this too - show the user how much they're saving by using Bitcoi=
n instead of credit cards.<div>
<br></div><div>I suggested to Charlie Lee (who pushed this through at Coinb=
ase) and Stephen Pair the following minor BIP 70 extension:</div><div><br><=
/div><div><div style=3D"font-family:arial,sans-serif;font-size:13px"><font =
face=3D"courier new, monospace"><br>
message PaymentDetails {</font></div><div style=3D"font-family:arial,sans-s=
erif;font-size:13px"><font face=3D"courier new, monospace">=C2=A0 =C2=A0 //=
Size in satoshis of any discount provided by the merchant ONLY</font></div=
><div style=3D"font-family:arial,sans-serif;font-size:13px">
<font face=3D"courier new, monospace">=C2=A0 =C2=A0 // because the user cho=
se to pay using Bitcoin or other similar=C2=A0</font></div><div style=3D"fo=
nt-family:arial,sans-serif;font-size:13px"><font face=3D"courier new, monos=
pace">=C2=A0 =C2=A0 // digital currency. Other kinds of discounts,=C2=A0</f=
ont><span style=3D"font-family:'courier new',monospace">loyalty bon=
uses and=C2=A0</span></div>
<div style=3D"font-family:arial,sans-serif;font-size:13px"><span style=3D"f=
ont-family:'courier new',monospace">=C2=A0 =C2=A0 // so on should n=
ot be recorded here, rather they could be mentioned</span></div><div style=
=3D"font-family:arial,sans-serif;font-size:13px">
<span style=3D"font-family:'courier new',monospace">=C2=A0 =C2=A0 /=
/ in the memo field. This field exists so wallets can show the user</span><=
/div><div style=3D"font-family:arial,sans-serif;font-size:13px"><span style=
=3D"font-family:'courier new',monospace">=C2=A0 =C2=A0 // a running=
total of how much money they have saved by avoiding</span></div>
<div style=3D"font-family:arial,sans-serif;font-size:13px"><span style=3D"f=
ont-family:'courier new',monospace">=C2=A0 =C2=A0 // credit cards a=
nd bank payments; the goal is to encourage people to</span></div><div style=
=3D"font-family:arial,sans-serif;font-size:13px">
<span style=3D"font-family:'courier new',monospace">=C2=A0 =C2=A0 /=
/ use Bitcoin. Putting other kinds of discounts here would make the</span><=
/div><div style=3D"font-family:arial,sans-serif;font-size:13px"><span style=
=3D"font-family:'courier new',monospace">=C2=A0 =C2=A0 // running t=
otal calculated meaningless; so don't do it!</span></div>
<div style=3D"font-family:arial,sans-serif;font-size:13px"><font face=3D"co=
urier new, monospace">=C2=A0 =C2=A0 optional uint64 currency_usage_discount=
_size =3D 8;</font></div><div style=3D"font-family:arial,sans-serif;font-si=
ze:13px"><font face=3D"courier new, monospace">}</font></div>
<div style=3D"font-family:arial,sans-serif;font-size:13px"><br></div></div>=
<div style=3D"font-family:arial,sans-serif;font-size:13px">Wallets would th=
en be able to persist this data to disk and compete on cool visualisations =
for how much money you saved over time.</div>
<div style=3D"font-family:arial,sans-serif;font-size:13px"><br></div><div s=
tyle=3D"font-family:arial,sans-serif;font-size:13px">We haven't formali=
sed how to extend BIP 70 yet, that's my fault. We should do that. In th=
e meantime, what do people think of this proposal?</div>
</div>
<br>-----------------------------------------------------------------------=
-------<br>
Open source business process management suite built on Java and Eclipse<br>
Turn processes into business applications with Bonita BPM Community Edition=
<br>
Quickly connect people, data, and systems into organized workflows<br>
Winner of BOSSIE, CODIE, OW2 and Gartner awards<br>
<a href=3D"http://p.sf.net/sfu/Bonitasoft" target=3D"_blank">http://p.sf.ne=
t/sfu/Bonitasoft</a><br>_______________________________________________<br>
Bitcoin-development mailing list<br>
<a href=3D"mailto:Bitcoin-development@lists.sourceforge.net">Bitcoin-develo=
pment@lists.sourceforge.net</a><br>
<a href=3D"https://lists.sourceforge.net/lists/listinfo/bitcoin-development=
" target=3D"_blank">https://lists.sourceforge.net/lists/listinfo/bitcoin-de=
velopment</a><br>
<br></blockquote></div><br></div>
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