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authorThomas Hartman <thomashartman1@gmail.com>2020-09-02 10:40:28 -0400
committerbitcoindev <bitcoindev@gnusha.org>2020-09-02 14:40:42 +0000
commit87c1caa4553a67c1fcc1203812065b199569630f (patch)
tree93026c350087ad15a337ff77e2a0b4a68d0a343c
parent5b9996dd4c84ce6605f8807b71b9ded48fbed187 (diff)
downloadpi-bitcoindev-87c1caa4553a67c1fcc1203812065b199569630f.tar.gz
pi-bitcoindev-87c1caa4553a67c1fcc1203812065b199569630f.zip
Re: [bitcoin-dev] reviving op_difficulty
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+From: Thomas Hartman <thomashartman1@gmail.com>
+Date: Wed, 2 Sep 2020 10:40:28 -0400
+Message-ID: <CAHAXnDWH7CEM_3-k8xKeW8X=gvsQU=nwu4pVcFgew_C1X8k2AQ@mail.gmail.com>
+To: Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
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+Cc: jr@mit.edu
+Subject: Re: [bitcoin-dev] reviving op_difficulty
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+Replying to myself:
+
+IIUC, Powswap seems to only create contracts from current time to future ti=
+me.
+
+But, you can create synthetic hashrate binaries for time span in the
+future time A to time B, using powswap, by subtracting
+
+(current time to B) - (current time to A)
+
+IE, buy first, sell second.
+
+On Tue, Sep 1, 2020 at 4:07 PM Thomas Hartman <thomashartman1@gmail.com> wr=
+ote:
+>
+> This is in reply to David harding=E2=80=99s message at
+>
+> https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2020-August/01812=
+9.html
+>
+> (For some reason didn=E2=80=99t arrive in my inbox, so I was late noticin=
+g it, and I am replying in this way. Sorry if it screws up threading.)
+>
+> Powswap sounds great! And it doesn=E2=80=99t require any protocol changes=
+! Very cool.
+>
+> One potential problem I see with powswap is iiuc you need something like =
+watchtowers, or the loser of the bet can sweep the funds if the winner is n=
+apping. Related, I=E2=80=99d also like to have trades happening in lightnin=
+g channels, and I=E2=80=99m not sure how this race affects the security ass=
+umptions there.
+>
+> Further question about powswap.
+>
+> It=E2=80=99s currently block 64632 with retarget in 808 blocks. I=E2=80=
+=99d like to bet that
+>
+> * the first 6 blocks after the retarget are found in under an hour
+> * AND the new difficulty exceeds some threshold. Is such a bet currently =
+possible with powswap?
+>
+> I see how pow swap lets you bet on hashrate (ie block times) from current=
+ time till some future time. But I would like to also bet on hashrate of sl=
+ices of time in the future. Possible?
+>
+>
+