What is Nostr?
Andrew Poelstra [ARCHIVE] /
npub1ae2ā€¦5t04
2023-06-09 12:49:23
in reply to nevent1qā€¦56fn

Andrew Poelstra [ARCHIVE] on Nostr: šŸ“… Original date posted:2018-03-06 šŸ“ Original message: On Tue, Mar 06, 2018 at ...

šŸ“… Original date posted:2018-03-06
šŸ“ Original message:
On Tue, Mar 06, 2018 at 08:58:51PM +0000, Andrew Poelstra wrote:
> After creating a new state i, A and B revoke state i-1 as follows:
>
> 3. A sends an adaptor signature for s^2_{A,i-1} which reveals her half
> of AB_i if she publishes that signature. Similarly B sends an
> adaptor sig for s^1_{B,i-1} which reveals his half of AB_{i-1}.
>
> Now if either party completes tx_i and to post the (i-1)th state
> to the chain, the _other_ party will learn the secret key to AB_i
> and can take the coins.
>

Oof I messed up this paragraph. _i should be _{i-1} everywhere. Here is a
correct version:

> 3. A sends an adaptor signature for s^2_{A,i-1} which reveals her half
> of AB_{i-1} if she publishes that signature. Similarly B sends an
> adaptor sig for s^1_{B,i-1} which reveals his half of AB_{i-1}.
>
> Now if either party completes tx_{i-1} to post the (i-1)th state
> to the chain, the _other_ party will learn the secret key to AB_{i-1}
> and can take the coins.
>


--
Andrew Poelstra
Mathematics Department, Blockstream
Email: apoelstra at wpsoftware.net
Web: https://www.wpsoftware.net/andrew

"A goose alone, I suppose, can know the loneliness of geese
who can never find their peace,
whether north or south or west or east"
--Joanna Newsom

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Author Public Key
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