Will there be a  “Do nothing” soft fork, showing that the community can still 
moving forward?

So all the nodes get to upgrade to use tx version 2, and that avoid a chain 
split.

Are you support that or against that, why?

Regards,
LIN Zheming

> 在 2017年6月15日,上午4:11,Jameson Lopp <jameson.l...@gmail.com> 写道:
> 
> 
> 
> On Wed, Jun 14, 2017 at 12:04 PM, Zheming Lin <hea...@gmail.com 
> <mailto:hea...@gmail.com>> wrote:
> Hi Jameson:
> 
>> 在 2017年6月15日,02:55,Jameson Lopp <jameson.l...@gmail.com 
>> <mailto:jameson.l...@gmail.com>> 写道:
>> 
>> 
>> 
>> On Wed, Jun 14, 2017 at 11:29 AM, Zheming Lin <hea...@gmail.com 
>> <mailto:hea...@gmail.com>> wrote:
>> Hi Jameson:
>> 
>>> 在 2017年6月15日,01:20,Jameson Lopp <jameson.l...@gmail.com 
>>> <mailto:jameson.l...@gmail.com>> 写道:
>>> 
>>> 
>>> 
>>> On Wed, Jun 14, 2017 at 9:39 AM, Zheming Lin via bitcoin-dev 
>>> <bitcoin-dev@lists.linuxfoundation.org 
>>> <mailto:bitcoin-dev@lists.linuxfoundation.org>> wrote:
>>> 
>>> 
>>> > 在 2017年6月14日,02:11,Gregory Maxwell <g...@xiph.org <mailto:g...@xiph.org>> 
>>> > 写道:
>>> >
>>> > On Tue, Jun 13, 2017 at 2:23 AM, Zheming Lin via bitcoin-dev
>>> > <bitcoin-dev@lists.linuxfoundation.org 
>>> > <mailto:bitcoin-dev@lists.linuxfoundation.org>> wrote:
>>> 
>>> > The enforcement of the system's rules by users broadly, and not just
>>> > miners, is specifically described in the white paper (section 8,
>>> > paragraph 2, it especially clear in the last sentence).  This is
>>> > critical for the security of Bitcoin especially with the current
>>> > degree of centralization in pools.  Without it, Bitcoin's security
>>> > would look a lot more like the Ripple system.
>>> >
>>> 
>>> 是的,用户永远都有选择,并可以抛弃那些节点。这个 BIP 
>>> 并没有反对这些用户这么做。只有那些被动的钱包用户,他们需要知道必须做出一个选择。(而不是被动的跟随默认的策略)
>>> Yes, users always have choice that they can abandon the nodes. This BIP 
>>> does’t go against them. I mean only the one(especially wallets) that’s 
>>> passive, they need to know there’s a choice and pick one.
>>> 
>>> 这个 BIP 可以被应用于几乎任何的升级上,包括隔离见证,两兆的隔离见证,两兆扩容,涌现共识,八兆扩容等。但这些升级并不是重点。
>>> This BIP can be applied to almost any upgrade, including Segwit, Segwit2x, 
>>> 2m, ec, 8m… but the upgrade is not the key point.
>>> 
>>> 到底我们的用户是否真的拥有选择?
>>> Did the users have any real choice?
>>> 
>>> 我并不能理解他们相信大部分矿工(就像当前一样),但拒绝这些多数矿工对协议改变的投票结果。
>>> I don’t see the reason they trust the majority miners(as they do today) but 
>>> refuse the vote for upcoming protocol upgrade.
>>> 
>>> To be clear, Bitcoin is not a democracy - if you find yourself using the 
>>> term "voting" then you may be misunderstanding how consensus forms. Once a 
>>> feature has been vetted and the code is deployed, miners may signal that 
>>> they are ready to enforce new rules. If for some reason miners are too 
>>> "passive or lazy" or wish to "veto" the activation of the new rules, users 
>>> may choose to circumvent said veto by refusing to accept blocks that do not 
>>> show readiness for enforcing the new rules.
>> 
>> How does the users show their opinion? They can fork away and leave. But 
>> what remains will be united. Are you afraid of the united users or the fork?
>> 
>> I agree with you that the “vote” is not accurate. Could you kindly suggest 
>> an other word for that?
>> 
>> I think users should have choice to follow the miners or not. Do you agree 
>> with this or not?
>> 
>> Regarding consensus changes, users can voice their opinion on any number of 
>> communication platforms. Though if you're looking for a way for users to 
>> signal their intentions at the protocol level, every proposal for doing that 
>> to date has been arguably flawed. Measuring meatspace consensus is pretty 
>> tricky if not completely impossible, especially given the fact that the vast 
>> majority of Bitcoin users do not voice any opinions on the matter of 
>> consensus rules.
>> 
> 
> “Sybil attack”. The genuine node will leave the chain if it doesn’t like the 
> change. That’s what restrain the majority miners acting foolishly.
> 
> If the users like the idea, they follow. If they don’t the fork away(and not 
> afraid of replay attack). I think it’s a way to move forward together. 
> 
> Would you support the idea that we put the choice to the users to decide?
> 
> The concept of "sybil attacks" doesn't really apply to enforcing network-wide 
> consensus changes. Even if someone spooled up 100 times more nodes than 
> currently exist and they all "signal" for some consensus rule change, that 
> doesn't compel the rest of the "genuine" nodes to change the rules they 
> enforce. 
> 
> The users always have a choice with regard to what consensus rules to enforce 
> and what software to run. Everyone is welcome to propose changes and write 
> software that they make available to users.
>> Most attempts at measuring user consensus would probably be best described 
>> as signaling rather than voting given that the act of doing so has no actual 
>> power to affect consensus. Every user who runs a fully validating node is 
>> free to enforce the rules with which the agree regardless of what rules 
>> other entities are enforcing. 
>>>  
>>> 
>>> 对钱包用户的选择,是他们是否相信多数矿工。如果他们不相信,可以通过分叉来消除掉矿工。
>>> This choice for wallet users right now, is wether to follow the 51% 
>>> majority miners. If they don’t, they can have their fork that get rid of 
>>> miners.
>>> 
>>> 如果他们仍旧相信矿工,那么可以留下来并跟随矿工将来的协议改变。
>>> If they do trust the majority miners, they stay and follow the vote for 
>>> upcoming protocol upgrade.
>>> 
>>> 所以问题在于:比特币的开发者、用户、拥有者、服务提供者、甚至矿工,是否(仍然)如白皮书中描述的对大多数矿工拥有信任。
>>> So the questions is: Do the bitcoin developers, users, holders, service 
>>> provides, even miners, (still) have faith in the majority of miners as 
>>> designed in the white paper?
>>> 
>>>  
>>> There is a fundamental misconception regarding this point - the white paper 
>>> refers to majority hashpower needing to be honest with regard to 
>>> determining the correct chain within the context of many possible /valid/ 
>>> chain forks. It is not referring to using hashpower to determine the 
>>> correct chain amongst an infinitely variable number of currently invalid 
>>> chain forks. Bitcoin ecosystem participants should not have faith in miners 
>>> (or any other entity) when it comes to choosing the consensus rules they 
>>> wish to enforce.
>>> 
>> 
>> Arrrgh. I think in the BIP, the miners just invalids tx version 1 
>> temporarily. That’s a “soft fork” right? If they dislike the idea, they can 
>> leave as always.
>> 
>> From my understanding, if the only change miners make is to stop confirming 
>> transactions that have a version less than X then it should be a soft fork, 
>> yes. 
> 
> And if we add a version 2 valid, does that still be a “soft fork”?
> 
> As far as I know - if you're only restricting the validation rules then it 
> should be a non-breaking change. 
> 
> Regards,
> 
> LIN Zheming

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