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From: Omar Shibli <omarshib@gmail.com>
Date: Mon, 1 Apr 2019 05:54:16 +0300
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	Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
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Subject: Re: [bitcoin-dev] Softfork proposal for minimum price of $50k
	USD/BTC
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Reasonable, I think also first timer should be forbidden form transacting
for at least 3 years from the first purchase, after going in '3 years' into
the rabbit hole, you can consider selling bitcoins. that's fair for low
time hard money folks, imho.

On Mon, Apr 1, 2019 at 3:33 AM Luke Dashjr via bitcoin-dev <
bitcoin-dev@lists.linuxfoundation.org> wrote:

> Certain parts of the community have been selling bitcoins for unreasonably
> low prices. This has halted Bitcoin's valuation at $20k and even driven the
> price down below $15k! However, clearly Bitcoin is worth much more than
> that, and there is widespread support for higher prices.
>
> In light of this, I have written and implemented two BIPs: one to add a
> signed price field to Bitcoin transactions, and the other to softfork a
> minimum price of $50k USD/BTC a year from today.
>
> The BIPs are here, as well as included at the bottom of this email for
> convenience:
>   https://github.com/luke-jr/bips/blob/softfork_50k/bip-usdprice.mediawiki
>
> https://github.com/luke-jr/bips/blob/softfork_50k/bip-softfork-50k-price.mediawiki
>
> A reference implementation is here:
>
> https://github.com/bitcoin/bitcoin/compare/v0.17.1...luke-jr:softfork_50k
>
> Please review ASAP so we can get these deployed in Bitcoin Core v0.18.
>
> Luke
>
>
> <pre>
>   BIP: ?
>   Layer: Applications
>   Title: Signed USD Price Indicator
>   Author: Luke Dashjr <luke+bip@dashjr.org>
>   Comments-Summary: No comments yet.
>   Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-????
>   Status: Draft
>   Type: Standards Track
>   Created: 2019-04-01
>   License: BSD-2-Clause
> </pre>
>
> ==Abstract==
>
> This BIP proposes a method to explicitly specify and sign the USD/BTC
> price
> for transactions.
>
> ==Copyright==
>
> This BIP is licensed under the BSD 2-clause license.
>
> ==Motivation==
>
> Certain parts of the community have been selling bitcoins for unreasonably
> low
> prices. This has halted Bitcoin's valuation at $20k and even driven the
> price
> down below $15k! However, clearly Bitcoin is worth much more than that,
> and
> there is widespread support for higher prices.
>
> This problem can be fixed by setting a global minimum price for bitcoins.
> Unfortunately, today, the consensus protocol is completely oblivious to
> the
> price bitcoins are traded at. Therefore, we must first add a field to
> Bitcoin
> transactions to indicate their price.
>
> ==Specification==
>
> ===New field and legal implication===
>
> A new field is added to Bitcoin transactions. This field, if present, must
> represent the honest and true USD/BTC rate used for the transaction. By
> signing the transaction, the sender legally affirms this is the valuation
> of
> bitcoins used for the transaction.
>
> For the avoidance of doubt: when the transaction is valued in a currency
> other
> than USD, any reasonable exchange rate may be used to come up with the USD
> valuation.
>
> ===Serialisation===
>
> When serialising the transaction for any purpose, including signing,
> weight
> calculation, and so on, the output count must be incremented by one. Prior
> to
> the first real output, the following bytes must be inserted:
>
> * Constant: 00 00 00 00 00 00 00 00
> * A single byte, the size in bytes of the remainder of the inserted data
> * Constant: 6a 04 55 53 44 24
> * A single byte, the size in bytes of the remainder of the inserted data
> * The USD/BTC rate used for the transaction, in standard signed integer
> serialisation, with all leading zeros removed (except as necessary to
> preserve the sign bit).
>
> ==Backwards compatibility==
>
> ===Consensus===
>
> The new price field is serialised as a dummy output, with a value of zero,
> and
> a scriptPubKey that begins with OP_RETURN (6a). Existing nodes will ignore
> this dummy output, and the leading OP_RETURN in the scriptPubKey ensures
> it
> is never considered spendable.
>
> Therefore, current nodes will ignore the new field entirely, and accept
> transactions using it.
>
> ===Wallets===
>
> Existing wallets do not typically generate price indicators as specified.
> Under this BIP, this absence of the field is perfectly acceptable.
>
> ==Reference implementation==
>
>
> https://github.com/bitcoin/bitcoin/compare/v0.17.1...luke-jr:usd_price_tx_field
>
> <pre>
>   BIP: ?
>   Layer: Consensus (soft fork)
>   Title: $50k USD/BTC Minimum Price
>   Author: Luke Dashjr <luke+bip@dashjr.org>
>   Comments-Summary: No comments yet.
>   Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-????
>   Status: Draft
>   Type: Standards Track
>   Created: 2019-04-01
>   License: BSD-2-Clause
>   Requires: usdprice
> </pre>
>
> ==Abstract==
>
> This BIP defines a minimum price of $50k USD/BTC for Bitcoin transactions.
>
> ==Copyright==
>
> This BIP is licensed under the BSD 2-clause license.
>
> ==Motivation==
>
> Certain parts of the community have been selling bitcoins for unreasonably
> low
> prices. This has halted Bitcoin's valuation at $20k and even driven the
> price
> down below $15k! However, clearly Bitcoin is worth much more than that,
> and
> there is widespread support for higher prices.
>
> bip-usdprice defines a new field to indicate the price of transactions.
> Using
> this, we can softfork to require a minimum transaction price.
>
> ==Specification==
>
> Beginning with block height 622370 (expected approximately 2020 April 1),
> a
> block is reject as invalid unless all transactions it contains both
> declare a
> USD/BTC price (as defined in bip-usdprice) and specify a price that is at
> a
> minimum $50k USD/BTC.
>
> ==Backwards compatibility==
>
> As a soft fork, older nodes will continue to accept the blockchain without
> modification. Non-upgraded nodes, however, will not validate the minimum
> price requirement, and may accept invalid blocks if miners choose to make
> them. Since transactions not declaring a price are at this time still
> common-place, the softfork activation has been set a full year into the
> future to ensure time to upgrade both nodes and wallet software.
>
> ==Reference implementation==
>
>
> https://github.com/luke-jr/bitcoin/compare/usd_price_tx_field...softfork_50k
> _______________________________________________
> bitcoin-dev mailing list
> bitcoin-dev@lists.linuxfoundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
>

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Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Reasonable, I think also first timer should be forbidden f=
orm transacting for at least 3 years from the first purchase, after going i=
n &#39;3 years&#39; into the rabbit hole, you can consider selling bitcoins=
. that&#39;s fair for low time hard money folks, imho.</div><br><div class=
=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, Apr 1, 2019 =
at 3:33 AM Luke Dashjr via bitcoin-dev &lt;<a href=3D"mailto:bitcoin-dev@li=
sts.linuxfoundation.org">bitcoin-dev@lists.linuxfoundation.org</a>&gt; wrot=
e:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0=
.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(20=
4,204,204);padding-left:1ex">Certain parts of the community have been selli=
ng bitcoins for unreasonably<br>
low prices. This has halted Bitcoin&#39;s valuation at $20k and even driven=
 the<br>
price down below $15k! However, clearly Bitcoin is worth much more than<br>
that, and there is widespread support for higher prices.<br>
<br>
In light of this, I have written and implemented two BIPs: one to add a<br>
signed price field to Bitcoin transactions, and the other to softfork a<br>
minimum price of $50k USD/BTC a year from today.<br>
<br>
The BIPs are here, as well as included at the bottom of this email for <br>
convenience:<br>
=C2=A0 <a href=3D"https://github.com/luke-jr/bips/blob/softfork_50k/bip-usd=
price.mediawiki" rel=3D"noreferrer" target=3D"_blank">https://github.com/lu=
ke-jr/bips/blob/softfork_50k/bip-usdprice.mediawiki</a><br>
<a href=3D"https://github.com/luke-jr/bips/blob/softfork_50k/bip-softfork-5=
0k-price.mediawiki" rel=3D"noreferrer" target=3D"_blank">https://github.com=
/luke-jr/bips/blob/softfork_50k/bip-softfork-50k-price.mediawiki</a><br>
<br>
A reference implementation is here:<br>
=C2=A0 <a href=3D"https://github.com/bitcoin/bitcoin/compare/v0.17.1...luke=
-jr:softfork_50k" rel=3D"noreferrer" target=3D"_blank">https://github.com/b=
itcoin/bitcoin/compare/v0.17.1...luke-jr:softfork_50k</a><br>
<br>
Please review ASAP so we can get these deployed in Bitcoin Core v0.18.<br>
<br>
Luke<br>
<br>
<br>
&lt;pre&gt;<br>
=C2=A0 BIP: ?<br>
=C2=A0 Layer: Applications<br>
=C2=A0 Title: Signed USD Price Indicator<br>
=C2=A0 Author: Luke Dashjr &lt;<a href=3D"mailto:luke%2Bbip@dashjr.org" tar=
get=3D"_blank">luke+bip@dashjr.org</a>&gt;<br>
=C2=A0 Comments-Summary: No comments yet.<br>
=C2=A0 Comments-URI: <a href=3D"https://github.com/bitcoin/bips/wiki/Commen=
ts:BIP-??" rel=3D"noreferrer" target=3D"_blank">https://github.com/bitcoin/=
bips/wiki/Comments:BIP-??</a>??<br>
=C2=A0 Status: Draft<br>
=C2=A0 Type: Standards Track<br>
=C2=A0 Created: 2019-04-01<br>
=C2=A0 License: BSD-2-Clause<br>
&lt;/pre&gt;<br>
<br>
=3D=3DAbstract=3D=3D<br>
<br>
This BIP proposes a method to explicitly specify and sign the USD/BTC price=
 <br>
for transactions.<br>
<br>
=3D=3DCopyright=3D=3D<br>
<br>
This BIP is licensed under the BSD 2-clause license.<br>
<br>
=3D=3DMotivation=3D=3D<br>
<br>
Certain parts of the community have been selling bitcoins for unreasonably =
low <br>
prices. This has halted Bitcoin&#39;s valuation at $20k and even driven the=
 price <br>
down below $15k! However, clearly Bitcoin is worth much more than that, and=
 <br>
there is widespread support for higher prices.<br>
<br>
This problem can be fixed by setting a global minimum price for bitcoins. <=
br>
Unfortunately, today, the consensus protocol is completely oblivious to the=
 <br>
price bitcoins are traded at. Therefore, we must first add a field to Bitco=
in <br>
transactions to indicate their price.<br>
<br>
=3D=3DSpecification=3D=3D<br>
<br>
=3D=3D=3DNew field and legal implication=3D=3D=3D<br>
<br>
A new field is added to Bitcoin transactions. This field, if present, must =
<br>
represent the honest and true USD/BTC rate used for the transaction. By <br=
>
signing the transaction, the sender legally affirms this is the valuation o=
f <br>
bitcoins used for the transaction.<br>
<br>
For the avoidance of doubt: when the transaction is valued in a currency ot=
her <br>
than USD, any reasonable exchange rate may be used to come up with the USD =
<br>
valuation.<br>
<br>
=3D=3D=3DSerialisation=3D=3D=3D<br>
<br>
When serialising the transaction for any purpose, including signing, weight=
 <br>
calculation, and so on, the output count must be incremented by one. Prior =
to <br>
the first real output, the following bytes must be inserted:<br>
<br>
* Constant: 00 00 00 00 00 00 00 00<br>
* A single byte, the size in bytes of the remainder of the inserted data<br=
>
* Constant: 6a 04 55 53 44 24<br>
* A single byte, the size in bytes of the remainder of the inserted data<br=
>
* The USD/BTC rate used for the transaction, in standard signed integer <br=
>
serialisation, with all leading zeros removed (except as necessary to <br>
preserve the sign bit).<br>
<br>
=3D=3DBackwards compatibility=3D=3D<br>
<br>
=3D=3D=3DConsensus=3D=3D=3D<br>
<br>
The new price field is serialised as a dummy output, with a value of zero, =
and <br>
a scriptPubKey that begins with OP_RETURN (6a). Existing nodes will ignore =
<br>
this dummy output, and the leading OP_RETURN in the scriptPubKey ensures it=
 <br>
is never considered spendable.<br>
<br>
Therefore, current nodes will ignore the new field entirely, and accept <br=
>
transactions using it.<br>
<br>
=3D=3D=3DWallets=3D=3D=3D<br>
<br>
Existing wallets do not typically generate price indicators as specified. <=
br>
Under this BIP, this absence of the field is perfectly acceptable.<br>
<br>
=3D=3DReference implementation=3D=3D<br>
<br>
<a href=3D"https://github.com/bitcoin/bitcoin/compare/v0.17.1...luke-jr:usd=
_price_tx_field" rel=3D"noreferrer" target=3D"_blank">https://github.com/bi=
tcoin/bitcoin/compare/v0.17.1...luke-jr:usd_price_tx_field</a><br>
<br>
&lt;pre&gt;<br>
=C2=A0 BIP: ?<br>
=C2=A0 Layer: Consensus (soft fork)<br>
=C2=A0 Title: $50k USD/BTC Minimum Price<br>
=C2=A0 Author: Luke Dashjr &lt;<a href=3D"mailto:luke%2Bbip@dashjr.org" tar=
get=3D"_blank">luke+bip@dashjr.org</a>&gt;<br>
=C2=A0 Comments-Summary: No comments yet.<br>
=C2=A0 Comments-URI: <a href=3D"https://github.com/bitcoin/bips/wiki/Commen=
ts:BIP-??" rel=3D"noreferrer" target=3D"_blank">https://github.com/bitcoin/=
bips/wiki/Comments:BIP-??</a>??<br>
=C2=A0 Status: Draft<br>
=C2=A0 Type: Standards Track<br>
=C2=A0 Created: 2019-04-01<br>
=C2=A0 License: BSD-2-Clause<br>
=C2=A0 Requires: usdprice<br>
&lt;/pre&gt;<br>
<br>
=3D=3DAbstract=3D=3D<br>
<br>
This BIP defines a minimum price of $50k USD/BTC for Bitcoin transactions.<=
br>
<br>
=3D=3DCopyright=3D=3D<br>
<br>
This BIP is licensed under the BSD 2-clause license.<br>
<br>
=3D=3DMotivation=3D=3D<br>
<br>
Certain parts of the community have been selling bitcoins for unreasonably =
low <br>
prices. This has halted Bitcoin&#39;s valuation at $20k and even driven the=
 price <br>
down below $15k! However, clearly Bitcoin is worth much more than that, and=
 <br>
there is widespread support for higher prices.<br>
<br>
bip-usdprice defines a new field to indicate the price of transactions. Usi=
ng <br>
this, we can softfork to require a minimum transaction price.<br>
<br>
=3D=3DSpecification=3D=3D<br>
<br>
Beginning with block height 622370 (expected approximately 2020 April 1), a=
 <br>
block is reject as invalid unless all transactions it contains both declare=
 a <br>
USD/BTC price (as defined in bip-usdprice) and specify a price that is at a=
 <br>
minimum $50k USD/BTC.<br>
<br>
=3D=3DBackwards compatibility=3D=3D<br>
<br>
As a soft fork, older nodes will continue to accept the blockchain without =
<br>
modification. Non-upgraded nodes, however, will not validate the minimum <b=
r>
price requirement, and may accept invalid blocks if miners choose to make <=
br>
them. Since transactions not declaring a price are at this time still <br>
common-place, the softfork activation has been set a full year into the <br=
>
future to ensure time to upgrade both nodes and wallet software.<br>
<br>
=3D=3DReference implementation=3D=3D<br>
<br>
<a href=3D"https://github.com/luke-jr/bitcoin/compare/usd_price_tx_field...=
softfork_50k" rel=3D"noreferrer" target=3D"_blank">https://github.com/luke-=
jr/bitcoin/compare/usd_price_tx_field...softfork_50k</a><br>
_______________________________________________<br>
bitcoin-dev mailing list<br>
<a href=3D"mailto:bitcoin-dev@lists.linuxfoundation.org" target=3D"_blank">=
bitcoin-dev@lists.linuxfoundation.org</a><br>
<a href=3D"https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev" =
rel=3D"noreferrer" target=3D"_blank">https://lists.linuxfoundation.org/mail=
man/listinfo/bitcoin-dev</a><br>
</blockquote></div>

--0000000000008dd1a405856f2379--