[bitcoin-dev] Is there a tool like Ethereum EVM at present for Bitcoin script?

Jeremy jlrubin at mit.edu
Thu Aug 26 20:03:47 UTC 2021

Will update those soon / in November. Sapio needs the rust Bitcoin taproot
ecosystem to mature, as well as a spec for miniscript taproot (altho we can
kinda monkey patch one in without it).

To be honest, I had some technical difficulties with getting Libera to work
and I gave up... But perhaps I can retry getting it to work again. Irc
infra 🤷‍♂️ struggles...

On Thu, Aug 26, 2021, 6:10 AM Michael Folkson <michaelfolkson at gmail.com>

> The "No Taproot" section of the Sapio docs need updating :) What are
> your plans to take advantage of Taproot with Sapio? It would have been
> interesting to see what a Taproot emulator would have looked like,
> although no need for it now. It seems to me Taproot would have been
> harder to emulate than CTV though I could be wrong.
> https://learn.sapio-lang.org/ch05-02-taproot.html
> Also there have been a number of people asking questions about Sapio
> and CTV on the Libera equivalents of Freenode channels #sapio and
> ##ctv-bip-review over the past months. Do you plan to join and claim
> those channels?
> Date: Thu, 26 Aug 2021 03:26:23 -0700
> From: Jeremy <jlrubin at mit.edu>
> To: Andrew Poelstra <apoelstra at wpsoftware.net>, Bitcoin Protocol
>         Discussion <bitcoin-dev at lists.linuxfoundation.org>
> Subject: Re: [bitcoin-dev] Is there a tool like Ethereum EVM at
>         present for Bitcoin script?
> Message-ID:
>         <CAD5xwhgmAepA4jW3tK7nihMFsMEdgs0Z6UEs3k=
> 3J1soDea0QQ at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
> This has actually never been true (Sapio assumes extensions).
> If the extensions are not present, you can stub them out with a signing
> federation instead, configurable as flags, and you can also write many
> contracts that do not use the ctv based components at all.
> The protocol for emulation is a bit clever (if I do say so myself) since it
> ensures that contract compilation is completely offline and the oracles are
> completely stateless.
> Relevant links:
> https://learn.sapio-lang.org/ch05-01-ctv-emulator.html
> https://learn.sapio-lang.org/ch03-02-finish.html
> Cheers,
> Jeremy
> --
> Michael Folkson
> Email: michaelfolkson at gmail.com
> Keybase: michaelfolkson
> PGP: 43ED C999 9F85 1D40 EAF4 9835 92D6 0159 214C FEE3
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