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Date: Mon, 5 Oct 2015 17:42:56 +0200
Message-ID: <CABm2gDq7woaxPxSCTz6szzQdngjpXiBuT4319tUEQGgyfcEw4A@mail.gmail.com>
From: =?UTF-8?B?Sm9yZ2UgVGltw7Nu?= <jtimon@jtimon.cc>
To: =?UTF-8?Q?Cl=C3=A9ment_Elbaz?= <clem.ds@gmail.com>
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Cc: Bitcoin Dev <bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] Let's deploy BIP65 CHECKLOCKTIMEVERIFY!
Precedence: list

On Mon, Oct 5, 2015 at 2:29 PM, Cl=C3=A9ment Elbaz <clem.ds@gmail.com> wrot=
e:
> The problem is that some transactions that are meaningless to you are
> actually meaningful to people using an upgraded Bitcoin software.
>
> Therefore during a softfork, while you can not miss the existence of a
> transaction, you can miss its meaning.

Why would you care about payments to other people?
The scriptPubKey's that you give to your payers certainly have meaning to y=
ou.

> But as soon as you try to actually use Bitcoin (that is, calculate the
> accurate balance of a wallet in a very broad sense), you can be led a wro=
ng
> result if you did not upgrade, which is a critical problem for financial
> software.

What is it important that you are able to calculate balances of
wallets that aren't yours?

> And because nothing prevent people to send you transactions of a new type=
,
> you have no way to "opt out" of this problem.

Why would anyone "pay you" to a scriptPubKey you don't understand?

I can "pay" the bill of my internet services by burying cash in a park
nearby my house for my provider to pick up later.
But if I don't tell my provider, it will never know. If I inform it, I
will get an answer: "no, sorry, we won't accept this new 'form of
payment' of yours as payment".