[zapps-wg] Sapling MPC Random Beacon

[Sean Bowe]

Thanks Jason!

I hope to make an announcement in the coming week.

Sean

On Sat, Aug 4, 2018 at 8:57 AM, Jason Davies <jason at jasondavies.com> wrote:
> At Sean's request, I ran the computation for this random beacon using my
> hardware-accelerated implementation on an AMD Ryzen CPU running at 3.8GHz.
>
> The seed value was the hash for Bitcoin block 534861:
>
>   000000000000000000221454bfa1301f8aae5a106751866080c3cafecb6818e4
>
> It took around 42.6 hours to compute 2^42 iterations of SHA-256, resulting in:
>
>   2bf41a959668e5b9b688e58d613b3dcc99ee159a880cf764ec67e6488d8b8af3
>
> My code is here: https://github.com/plutomonkey/verify-beacon
>
> As with the Powers of Tau ceremony, the intermediate hashes were saved for
> faster parallel verification, and can be found in the above repository.
>
> --
> Jason Davies, https://www.jasondavies.com/
>