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The two most basic ways would be simply:<br>
<br>
(1) You create your transactions having a locktime of X days and has
sequence numbers such that it can be replaced exactly once. The
replacement, can be executed within 30 days.<br>
<br>
(2) You simply send money to 1-of-2 transactions: me-or-you. If
the person who is receiving it wants it, they have to sign for it by
sending it to one of their own single-sig addresses. Otherwise, you
can return it to yourself at some point in the future.<br>
<br>
I don't totally understand the goal, and how/if these solutions
actually achieve such goal. But it does add a way for transactions
to exist a non-final state for some amount of time. But in both
cases, accessibility is still binary: you have complete access to
it, until you don't. Which might be seen as the point of
irrevocable transfer.<br>
<br>
-Alan<br>
<br>
<br>
<br>
<div class="moz-cite-prefix">On 06/05/2013 08:19 PM, Peter Vessenes
wrote:<br>
</div>
<blockquote
cite="mid:CAMGNxUv7wkiUYZ2nZjOP0mEW7bgR0a+CXKyDPq38joU-fMMQ9Q@mail.gmail.com"
type="cite">
<div dir="ltr">So, this <a moz-do-not-send="true"
href="http://www.americanbanker.com/bankthink/the-last-straw-for-bitcoin-1059608-1.html?pg=1">http://www.americanbanker.com/bankthink/the-last-straw-for-bitcoin-1059608-1.html?pg=1</a>
article got posted today, noting that FinCEN thinks irrevocable
payments are money laundering tools.
<div>
<br>
</div>
<div>I will hold my thoughts about the net social good of
rent-seeking large corporations taking money from consumers
over fraudulent reversals. Actually, I won't, I just said it.<br>
<div><br>
</div>
<div>At any rate, it got me thinking, can we layer on
revocability somehow without any protocol change, as an
opt-in?</div>
<div><br>
</div>
<div>My initial scheme is a trusted (hah) escrow service that
issues time promises for signing. If it doesn't receive a
cancel message, it will sign at the end of the time. </div>
<div><br>
</div>
<div>The addresses would be listed by the escrow service, or
in an open registry, so you could see if you were going to
have a delay period when you saw a transaction go out.</div>
<div><br>
</div>
<div>This seems sort of poor to me, it imagines that mythical
thing, a trusted escrow service, and is vulnerable to
griefing, but I thought I'd see if some of the brighter
minds than me can come up with a layer-on approach here.</div>
<div><br>
</div>
<div style="">When I think about it, I can imagine that I
would put a good number of my coins in a one day reversible
system, because I would have warning if someone wanted to
try and spend them, and could do something about it. I'm not
sure if it gets me anything over a standard escrow
arrangement, though.</div>
<div style=""><br>
</div>
<div>Peter<br clear="all">
<div><br>
</div>
-- <br>
<div dir="ltr"><br>
<hr
style="font-family:Times;font-size:medium;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;border-top-style:solid;border-top-color:rgb(204,204,204);margin:10px
0px">
<p
style="font-size:medium;font-family:Helvetica,sans-serif;line-height:1em"><span
style="color:rgb(50,90,135);text-transform:uppercase"><img
moz-do-not-send="true"
src="http://coinlab.com/static/images/email_logo.jpg"
alt="CoinLab Logo" width="130" align="right">PETER <span
style="font-weight:bold">VESSENES </span><br>
<span style="color:rgb(96,58,23);font-size:0.8em">CEO</span></span></p>
<p
style="font-size:medium;font-family:Helvetica,sans-serif;line-height:1em"><span
style="color:rgb(96,58,23);font-size:0.9em"><strong><a
moz-do-not-send="true"
href="mailto:peter@coinlab.com"
style="text-decoration:none;color:rgb(96,58,23)"
target="_blank">peter@coinlab.com</a> </strong> / 206.486.6856
/ <span
style="font-size:0.7em;text-transform:uppercase">SKYPE:</span> vessenes </span><br>
<span
style="color:rgb(96,58,23);font-size:0.7em;text-transform:uppercase">71
COLUMBIA ST / SUITE 300 / SEATTLE, WA 98104</span></p>
</div>
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