Wouldn't that require a fork that lasts for more than 100 blocks?

On Mon, Aug 17, 2015, 01:43 Peter Todd <pete@petertodd.org> wrote:

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> On 16 August 2015 17:03:35 GMT-07:00, Cameron Garnham via bitcoin-dev <
> bitcoin-dev@lists.linuxfoundation.org> wrote:
> >There are a few ways: here is my favorite (for the moment).
> >
> >1. Spam the 8mb blocks with 1 Satoshi outputs to the brainwallet
> >'BitcoinXT'
>
> Even more direct: use coinbase outputs of  XT blocks to create those
> outputs, as they can't by definition be on the Bitcoin chain.
>
> If you can't get those, using coinbase outputs of Bitcoin blocks to create
> "definitely Bitcoin-only" outputs, and then spend the inputs to those
> transactions again on the XT chain. This isn't quite as good, as a big
> reorg on the XT chain could in theory spend them, but it's a close second.
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