Last updated: Thu Jul 13 2017 19:21:00 GMT+0800 (中国标准时间). This page will be updated when new information becomes available. See the list of updates.

Chain split

Since Bitcoin’s inception, its network has facilitated hundreds of millions of transactions. As a result, different groups of people (developers, investors, entrepreneurs, etc.), have debated on the best ways Bitcoin can be optimized to allow it to exponentially scale even further. In recent months, alternative software has been released that represents some of the interests of the aforementioned groups of people - software that is scheduled to go live toward the end of July.

The Bitcoin block chain, which is a record of all Bitcoin transactions to date, relies on a network of thousands of Bitcoin nodes running Bitcoin software. On Tue Aug 01 2017 08:00:00 GMT+0800 (中国标准时间), the Bitcoin block chain may experience what is known as a chain split. This is when a portion of Bitcoin’s nodes run software that another portion of nodes are not fully compatible with. As a result, some nodes may propagate confirmed transactions that other nodes may not accept or recognize. This may result in unreliable confirmation scoring for an unknown length of time. This means that any bitcoins you receive during this period could disappear from your wallet or be a type of bitcoin that other people will not accept as payment, until the situation is resolved.

Once the situation is resolved, confirmation scoring will either automatically return to their normal reliability or there will be two (or more) competing versions of Bitcoin as a result of a split block chain. In the former case, you may return to using Bitcoin normally; in the latter case, you will need to take extra steps in order to begin safely receiving bitcoins again.

This post currently describes what actions you can take to prepare for this situation. Subsequent to Tue Aug 01 2017 08:00:00 GMT+0800 (中国标准时间), we will update this post as best we can with relevant information, but you are also advised to monitor other Bitcoin news sites and community resources for updates and to cross-check all information, as someone may attempt to spread false news in order to exploit the situation.

Remember that you alone are responsible for the safety of your bitcoins, and that if you lose control of them for any reason, there is nothing the operators or contributors to this website can do to help you.

Note: there is a chance a milder level of disruption could start between now and Tue Aug 01 2017 08:00:00 GMT+0800 (中国标准时间). If that is the case, this post will be updated with details.

Preparation

  1. If you accept bitcoins as payments, we recommend that you stop accepting Bitcoin payments at least 12 hours before Tue Aug 01 2017 08:00:00 GMT+0800 (中国标准时间), although 24 to 48 hours earlier may be safer. This will give time for all pending payments to confirm on the Bitcoin block chain before the event.

  2. If you send bitcoins as payments, note that many services may stop accepting bitcoins at Tue Aug 01 2017 08:00:00 GMT+0800 (中国标准时间) or earlier.

  3. Be wary of storing your bitcoins on an exchange or any service that doesn’t allow you to make a local backup copy of your private keys. If they accept transactions during the event, they could lose money and will likely spread those losses across all their users. If there end up being two or more competing versions of Bitcoin, then they may refuse to give you your bitcoins on versions they don’t like.

  4. Bitcoin may experience significant price fluctuations in relation to other currencies. Learn more about price volatility and ensure you aren’t holding more bitcoin than you can afford to lose.

During the event

  1. Do not trust any payments you receive after Tue Aug 01 2017 08:00:00 GMT+0800 (中国标准时间) until the situation is resolved. No matter how many confirmations the new payment says it has, it can disappear from your wallet at any point up until the situation is resolved.

  2. Try not to send any payments. During the event there may be two or more different types of bitcoin and you may send all of the different types to a recipient who only expects one type. This would benefit the recipient at your expense.

  3. Be wary of offers to allow you to invest in the outcome of the event by “splitting” your coins. Some of these offers may be scams, and software claiming to split your coins can also steal them.

After the event

We will update this section with more information after Tue Aug 01 2017 08:00:00 GMT+0800 (中国标准时间). Please monitor this page accordingly and wait until multiple news sources that you trust have stated that the event is resolved before returning to normal Bitcoin use.

Document history

Note: The information contained herein is not to be construed as an official statement by Bitcoin Core. Bitcoin.org and Bitcoin Core open source projects are run by separate teams.

full history of this document is available. The following points summarize major changes, with the most recent changes being listed first.

  • Thu Jul 13 2017 19:21:00 GMT+0800 (中国标准时间): add general info about split.
  • Wed Jul 12 2017 20:00:00 GMT+0800 (中国标准时间): initial version.

链分叉

自从比特币被发明以来,它的网络完成了数以亿计的交易记录。结果,不同派别的人们(开发者、投资者、企业家等)对于比特币网络能够进一步容纳指数级增长的交易次数的最佳优化方案产生了分歧。在最近的几个月,代表上述派别中某些人群利益的替代软件版本已经发布,预计于7月底生效。

数千个比特币节点运行着比特币程序组成了比特币区块链网络,这个网络记录了比特币的所有交易信息。在2017年8月1日上午8:00比特币区块链网络可能会经历一次所谓的链分叉。这是因为当一部分比特币节点运行的软件程序和另一部节点运行的软件程序不能完全适配。结果,其中一些节点广播的确认交易在其他节点看来可能不被接受或认同。这可能导致可靠的确认数不知道需要多长时间。这意味着在这段时期你收到的一些比特币会从你的钱包里消失,或者其他人无法收到已经支付的比特币,直到不兼容的情况被解决。

一旦上述情况解决后,交易确认记录将恢复到往常的可靠性或者将会出现两种(甚至更多)不兼容版本的比特币,也就是比特币区块链产生分叉。在前一种情况下,你可以继续正常使用之前的比特币。在后一种情况下,你将需要采取额外的步骤以便能够重新开始安全的使用比特币。

这篇公告阐述了在上述情况下你该做些什么准备工作,

在2017年8月1日上午8:00(北京时间)的随后我们将尽快更新这篇公告的相应信息,但是也建议你同时关注其他比特币新闻网站和社区资源,并对所有信息进行交叉检查,因为有人可能试图利用这种情况传播虚假消息。

请记住,只有你自己一个人对你比特币安全负责,无论什么原因你失去了对它们的控制,这个网站运营者和贡献者没人任何办法可以帮你。

注意:从现在开始直到2017年8月1日上午8点可能会有一次更高级别的破坏机会。如果这种情况发生,这里的公告将会更新以下细节。

准备工作

1、如果你接受比特币支付,我们建议在2017年8月1日上午8点后的12个小时内你停止接收比特币,或者提前24-48小时也许更完全些。这样将会让比特币网络有足够的时间在上述事件发生前完成交易确认。

2、如果你支付比特币,请注意可能一些接收者会在2017年8月1日或者更早些时候停止比特币接收。

3、谨防将您的比特币存储在交换机上或任何不允许您制作私钥本地副本备份的服务商那。如果在这段时间内他们接收了比特币交易,他们有可能会损失比特币,并可能让他们的所有用户来均摊损失。如果他们有两个甚至更多版本不兼容的比特币,他们可能会拒绝给你他们不喜欢版本的比特币。

4、比特币价格可能会出现与其他数字货币一样的剧烈波动。请了解更多比特币价格波动的信息,请确认你没有持有你无法承担损失数量的比特币

在分叉期间

1、在2017年8月1日上午8:00后不要信任任何你收到的支付,直到这次事件被解决后。无论一个新的支付声称它有多少个确认,它随时都可能从你的钱包中消失,直到这次分叉平息后。

2、尽量不要进行任何支付操作。在这个期间有可能会出现两种甚至更多版本的比特币,你支付出去的比特币可能是任何一种和接受者完全不一样版本的比特币,但接受者只能接受一种比特币。这对接收者有利,但对你很不利。

3、警惕一些通过分叉你的比特币而带来优惠的活动,其中一些活动可能是骗局,那些被声称分离的比特币可能会被窃取。

分叉后

在8月1日8:00后我们会在这里尽量详细的公布信息,请保存这一页的链接并等待多个你信任的新闻网站确认分叉已经结束,再开始正常的使用比特币。

注意:本文所包含的信息不得视为Bitcoin Core的官方声明。 Bitcoin.org和Bitcoin Core开源项目组分别由不同的独立团队运作。(来源微博)