Thanks for the clarification! I’m happy to help for both the “fork” and 2nd
round.
On Tue, Mar 27, 2018 at 7:10 AM Jason Davies
wrote:
> On 27 Mar 2018, at 01:06, Innovative Inventor wrote:
>
> > I was unaware that I could join the powers of tau after March 20th. I
> was told
> > on the zcash co
On 27 Mar 2018, at 01:06, Innovative Inventor wrote:
> I was unaware that I could join the powers of tau after March 20th. I was told
> on the zcash community chat that they were no longer accepting new
> participants. I would love to help out here if someone could tell me how.
Just to clarify a
I was unaware that I could join the powers of tau after March 20th. I was
told on the zcash community chat that they were no longer accepting new
participants. I would love to help out here if someone could tell me how.
Regarding a semi-automated calendar, something like Doodle (
https://doodle.com
Also attaching an OpenTimestamps receipt.
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
# Powers of Tau Attestation
Author: devrandom
Date: 16 March 2018
Notes:
This is my second participation.
* Hardware is a Rock64 single board computer that has been purchased online
this week. I never c
Attestation 0085
Author: Amber Baldet and Patrick Nielsen
Date: 15-16th of March, 2018
We participated in the ceremony with the theme "Hidden in Plain Sight",
gathering entropy in public places in New York City. We ran the Go
taucompute in a (hopefully) secret location using a custom CSPRNG and
ha
Hi all!
I've completed my portion of the ceremony.
The setup was:
- 15" Macbook Pro 2016
- Fresh installation of MacOS 10.12.6
- Processor: 2.6 GHz Core i7 (I7-6700HQ)
How it was made:
Downloaded the challenge file and Rust source code on seperate computer.
Disconnected from inte
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Hello! I have uploaded the file.
I used a HP Elitebook 2560, and the Go implementation of Powers of Tau by
Filosottile, run on a Centos 7 minimal. I mixed some own entropy to
/dev/random.
The taucompute binary was compiled on different machine, a Ka
My participation in the Powers of Tau Ceremony was made using the
following machine:
- Newly acquired machine from other country
- Fresh installation of Ubuntu 17.10
- Processor: AMD® Ryzen 7 1700x eight-core processor × 16
How it was made:
- Downloaded and compiled the Go Implem
I'm attaching an OpenTimestamps receipt for my attestation.
On Tue, Mar 13, 2018 at 11:51 AM Devrandom
wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> # Powers of Tau Attestation
>
> Author: devrandom
> Date: 12 March 2018
>
> Notes:
>
> * Hardware is an Intel laptop that has not
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
# Powers of Tau Attestation
Author: devrandom
Date: 12 March 2018
Notes:
* Hardware is an Intel laptop that has not been powered up in four years
and has never been connected to a network after it was purchased. CPU was
a Celeron 1007U. Wireless
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
My part of Powers of Tau was performed on a Penguin Adelie GNU / Linux
Laptop by Think Penguin.
Processor: Intel(R) Core(TM) i7-6700HQ CPU
OS: Debian GNU/Linux 9.3 (stretch)
Downloaded the challenge file and compiled the Go implementation. Then I
di
My part of Powers of Tau was performed on a Penguin Adelie GNU / Linux
Laptop by Think Penguin.
Processor: Intel(R) Core(TM) i7-6700HQ CPU
OS: Debian GNU/Linux 9.3 (stretch)
Downloaded the challenge file and compiled the Go implementation. Then I
disconnected from the ethernet and unplugged the ro
On Tue, Mar 6, 2018, 10:25 PM Chase Roberts wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA512
>
> My response BLAKE2b.
>
> f8111d44 6841d376 5ef01319 14ab1007
> 779961a6 66998b1d ad63edbe c0123ba6
> b2581e69 936fc4c9 0ff51211 d5ff7cd0
> 85425f38 d8752ec2 25447c25 c29fc9ca
>
> The compute
Found about this fascinating experiment, if its not too late I'do like to
participate.
Sent with [ProtonMail](https://protonmail.com) Secure Email.
Jason sent me the download link for the challenge file, and I used the rust
implementation ebfull/powersoftau at commit
d47a1d3d1f007063cbcc35f1ab902601a8b3bd91
compiled with rustc version 1.24.1
I downloaded the challenge file around 6pm and copied it over the old HP
laptop.
HP Pavilion G Series
Dear Powers of Tau's fellows,
This is my attestation:
The BLAKE2b hash of `./response` is:
9f9cad6a 61311a88 291f3b14 eb9808e3
4b570b94 a1ad6cc7 3d7add21 32182df8
17e7e6a6 d2fb0dcd 7ad9526b 6e05038c
5592fb74 e41ddfd6 50c1f0d2 72062a69
__
I performed the computation on a Thinkpa
Due to email formatting issues, I'm attaching a clean copy of my prior
signed attestation message.
On Thu, Feb 22, 2018 at 12:49 PM, Troy Stackhouse
wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
> Powers of Tau Attestation by Troy Stackhouse
> Date: February 22, 2018
>
> I had a new,
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Powers of Tau attestation for Mikael Johansson (johanssonlc)
## Hardware used:
Hardware:
Intel Core i7-4710HQ
RAM 8GB DDR3
Ubuntu server 14.04
## Procedure for computation:
I performed the computation on a laptop that had not been used or touched
b
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Powers of Tau attestation
Allieri Tommaso
## Hardware used:
Hardware:
ASRock h81 Pro BTC r2.0
Pentium G4400
RAM Kingstom 4GB DDR4
Standard keyboard RT6856T (year 1996)
Ubuntu server 16.04
USB drive 16GB
## Procedure for computation:
I perfo
Verified, thanks!
Where might one find your PGP public key so that they can check your signature?
Jason
> On 22 Feb 2018, at 20:49, Troy Stackhouse via zapps-wg
> wrote:
>
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
> Powers of Tau Attestation by Troy Stackhouse
> Date: February 22, 2
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Powers of Tau Attestation by Troy Stackhouse
Date: February 22, 2018
I had a new, unconfigured laptop which provided an easy opportunity to
participate, since I could just wipe it clean afterwards. I set it up
fresh with Windows 10 a few days ago and
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512
Hello everyone,
Below is my powers of tau attestation. I did the computation neither from
my primary work place or home but a different location. During the entire
computation I’ve kept the laptop that I’ve been running it on in the room
with me. Be
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Hey there,
I have completed my part of the Powers of Tau ceremony and below is the
response file hash:
3a8ae5be 6e4e15c8 23021c27 10cba9ab
aef44fc9 fa4f577b 70789ec6 b4bfc867
98c39258 0d6f8e86 f6367779 1750b4fc
5962ca04 0962f2d3 7a402233 aff8184c
I participated in the Powers of Tau ceremony, and here's my response file
hash (BLAKE2b):
db1eb34d 1f153f0e 32b287d7 4e7a81a2
49257944 5f9df1c4 7daf3fcd a7f3200a
2ab664b3 3c2b7dbc 1f46758f 4b1eb840
ff6afdaf 6e488849 88e4a0fa 504f5ad8
I used an auditable process to ensure (with high probability) t
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
###
Powers of Tau Ceremony Attestation
pstehlik
##
For brevity I modified some of the outputs of a few commands. Otherwise
this is pretty much the whole setup/computation.
## Prepa
> On 17 Feb 2018, at 19:03, Kobi Gurkan wrote:
>
> How awful would it be with RPi 3 and microSD for swap?
Good point. Someone should do a test run and report back!
--
Jason Davies, https://powersoftau.plutomonkey.com/
How awful would it be with RPi 3 and microSD for swap?
On Sat, Feb 17, 2018 at 8:48 PM, Jason Davies via zapps-wg <
zapps...@lists.z.cash.foundation> wrote:
> I like the creative sources of entropy. :) Thanks!
>
> Shame about the Raspberry Pi. I suspect it was the lack of memory that
> caused t
I like the creative sources of entropy. :) Thanks!
Shame about the Raspberry Pi. I suspect it was the lack of memory that caused
the process to be killed -- since the challenge file is ~1.2GB and it is loaded
into memory, the 1GB on a standard Pi 3 will not be sufficient. I managed
successfu
Hey folks,
I participated in the ceremony. I tried a more elaborate Raspberry Pi
setup, but ended-up running it on my local machine with the internet
disabled.
Here's my attestation.
1f65d9db a726e65f 96e97235 3eb58707
48bf26e2 d04575b4 e2f95cd6 5ce4fb65
c7157dfe 497559b9 bd8f453a 6fbe1c68
daced1
Awesome! I was excited for yours since you seemed like you were very paranoid.
Sean
On Thu, Feb 15, 2018 at 7:58 PM, disturbedsquirrel--- via zapps-wg
wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA512
>
> ###
>
> Powers of Tau attestat
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512
###
Powers of Tau attestation
disturbedsquirrel
##
## General sidechannel defenses:
# Contacted Sean Bowe using Whonix who forwarded my message to Jason Davies.
# Always commun
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Powers of Tau Attestation
=
Round: 57
Date: 2018-02-13
Name: Sean Kelly
Location: Galway, Ireland
The BLAKE2b hash of `./response` is:
40db756c fdceae76 5472590b c0dd9ec1
7fa70475 f1cc9ef5 fdf99e0d 750cd6a2
ce010c95 b591
On Mon, Feb 12, 2018 at 5:01 PM, Jason Davies
wrote:
> I've verified your uploaded response, thank you!
>
> I found your Twitter attestation:
> https://twitter.com/alokmenghrajani/status/963212918505447424
>
> Would you mind posting a link to your co-worker's?
My co-worker's post:
https://twitte
I've verified your uploaded response, thank you!
I found your Twitter attestation:
https://twitter.com/alokmenghrajani/status/963212918505447424
Would you mind posting a link to your co-worker's?
> On 13 Feb 2018, at 00:45, Alok Menghrajani via zapps-wg
> wrote:
>
> Hi,
>
> Thank you for co
Hi,
Thank you for coordinating all this!
I participated today (2/12/18) and my co-worker Will witnessed the
entire process. Our response is:
c13af4d4 477f66e7 53f25d51 1b6c4624
9f20f79a f63c20d8 c64e34c9 df90441b
0bf89ae2 8c05d71c 4ae9cb82 e0a3aa4d
41e99666 c54261a9 b0b75f6a 5c455436
Procedure:
Thanks Joe!
For the record -- your first email was signed correctly (content-type
"multipart/signed") but I wasn't able to verify the signature without knowing
your public key.
Your follow-up email included a link to your public key as well as a signed
plaintext message, which was slightly fri
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512
There was a mistake with PGP in the original message. Repeated below.
Hi Everyone!
Thank you for the opportunity to participate!
Date: 2018-2-11
Name: Joseph Tobin
Location: New Jersey, USA
Response (blake2b): 2ddd4358 b124100d 724e62a0 6f158dbc
Hi Everyone!
Thank you for the opportunity to participate!
Date: 2018-2-11
Name: Joseph Tobin
Location: New Jersey, USA
Response (blake2b): 2ddd4358 b124100d 724e62a0 6f158dbc
c714ffbe 8784f619 887a40ff 12f9fab0
44649dfa 306a0385 06f95e0e 25c6cfb3
32f46f57 ea6331c8 057f46b
I love this! Very detailed and I was happy that someone managed to
leverage the next-challenge stuff locally during the ceremony.
Thank you!
Sean
On Fri, Feb 9, 2018 at 6:30 PM, Jan Jancar via zapps-wg
wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA512
>
> Powers of Tau attestation
> ==
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512
Powers of Tau attestation
=
Round: 54
Date: 2018-02-09
Principals: Jan Jancar and Jakub Rafajdus
Location: Zilina, Slovakia
Go implementation commit:
FiloSottile/powersoftau
7a08472c288cd7022c24ad01e1e181cfc47c3363
Rust imp
Excellent! Verified it. Adding to transcript now.
Sean
On Thu, Feb 8, 2018 at 12:40 PM, Mark Giannullo via zapps-wg
wrote:
> I completed the challenge using Filippo's golang implementation:
> https://github.com/FiloSottile/powersoftau
>
> The BLAKE2b hash of `./response` is:
> a6a754d8 68697ff0
I completed the challenge using Filippo's golang implementation:
https://github.com/FiloSottile/powersoftau
The BLAKE2b hash of `./response` is:
a6a754d8 68697ff0 870c8413 c5cda8f6
fe57e6bf 3a1dd30b 5f254ede 78d23879
175b4044 61573619 4df013db 4642f717
9f5602f5 1d37b9b6 88045d96 352927e1
I have a
Hello Sean,
I am very interested in taking part in the Powers of Tau ceremony. I am
planning to use a pretty old computer.
Thanks, Ryan Greenawalt
Thanks Gustavo! I've entered this into the transcript.
Sean
On Mon, Feb 5, 2018 at 7:12 PM, Gustavo Frederico via zapps-wg
wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Powers of Tau Attestation by Gսѕtavо Frеdегіc೦
> - --
>
> Date: 5/
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
Powers of Tau Attestation by Gսѕtavо Frеdегіc೦
- --
Date: 5/Feb/2018
Location: Ottawa, ON, Canada
Main document given to Gսѕtavо with instructions:
https://github.com/ebfull/powersoftau/wiki.
sha256sum -
Hey Sean,
I would like to participate in the Powers of Tau ceremony. I would be able
to provide a unique environment and hardware to perform the challenge on;
think on board a vessel in international waters, faraday cage, 220v power,
and the hardware will be destroyed afterwards.
Regards,
Quentin
If having more participants would still strengthen the project, consider me
an eager volunteer. I can make most weekdays work (daytime in the US) as
long as I have a couple days notice. I recently quit my soul-crushing
corporate job, and this would actually be a meaningful use of my time.
-Troy St
Hi,
I participated in the powers of tau ceremony. This was a fun one, not as cool
as radioactive material but I leave the judgment to the reader ;-)
Farraday cage used: Airbus A320 ;-)
Country of calculation: technically „none“ for a good amount of time, then
Indonesia
Long story short: Calcula
I had a conversation with filippo, he pushed one commit as he reproduced my
problems (he said he broke it when adding -next)
So fingers crossed it works now!
Justin
> Am 02.02.2018 um 09:08 schrieb Sean Bowe via zapps-wg
> :
>
> Awesome job, thank you so much. :)
>
> By the way, the challeng
Awesome job, thank you so much. :)
By the way, the challenge file that Gabe used is located here:
https://powersoftau-transcript.s3-us-west-2.amazonaws.com/challenge.48
I'd be curious to see why Filippo's Go code can't deserialize it.
Maybe a platform specific bug?
Sean
On Thu, Feb 1, 2018 at 3
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512
Powers of Tau Attestation by Gabe Ortiz (@signalnine)
=
Round: 48
Date: 2018-02-01
Location: Albuquerque, NM, USA
Commit version: d47a1d3d1f007063cbcc35f1ab902601a8b3bd91
SHA256 challenge file:
35b60456f4d4a17ceefb1
Hi, I'd like to participate in the Powers of Tau ceremony if possible, I
have good availability from early February onwards, will just need a bit of
notice to set up.
Regards,
Sean Kelly
Thanks for publishing the go implementation. Awesome to have another
implementation to choose from. I will take a look at your repository.
@Sean, I'd love to participate anytime next week. I'm available every
mon-fri 9am-2pm EST.
On Wed, Jan 24, 2018 at 5:46 PM, Andrew Miller via zapps-wg <
zapps
That's outstanding, thanks! The independent Go-language implementation of
the compute node is an amazing bonus contribution. I'd love to learn more
about this project. I'll ask questions in the github repo.
Cheers,
On Wed, Jan 24, 2018 at 6:54 PM, Filippo Valsorda via zapps-wg <
zapps...@lists.z.c
This is excellent! I'm so impressed. I've added this to the transcript.
Thanks,
Sean
On Wed, Jan 24, 2018 at 5:54 PM, Filippo Valsorda via zapps-wg
wrote:
> The BLAKE2b hash of `./response` is:
> 7b55c0f5 68a8b4df 2ca14085 2e816df2
> b9a2dafe 50b2c5e2 5e6c9b6a df239de0
>
The BLAKE2b hash of `./response` is:
7b55c0f5 68a8b4df 2ca14085 2e816df2
b9a2dafe 50b2c5e2 5e6c9b6a df239de0
223a9866 aba481a8 436fbd42 04a2c48a
43725d94 2de47b23 c10c5e87 38fd6467
The main feature of this contribution is that it was computed with an
independent imp
our response, should be done uploading to s3 in a moment.
>> 9af2153b5d0f96689f79049337de1fb328873f5f771adef1adf0486e4904
>> b28d96fe602c8866f42e8047ce3bdafe2f9e73c7d2cd1b0c023d3831a46242bd6fc9
>>
>> Long story short:
>> - Contributor: Ryan Pierce and Andrew Miller
&g
_o/
I'm ready to go whenever there's a slot.
It will probably take me half a day, upload included.
an Bowe [s...@z.cash]
> Sent: Wednesday, January 17, 2018 10:22 PM
> To: Miller, Andrew
> Cc: Zapps wg
> Subject: Re: [zapps-wg] Powers of Tau
>
> It does interfere with someone, but we could make it work Saturday
> morning if you don't expect it to take longer than the
Thanks for the explanation Sean.
Indeed it's better to hide it then for next participants, good catch Daira!
On Mon, Jan 22, 2018 at 12:56 PM, Sean Bowe wrote:
> There are potentially few useful entropy sources on an isolated system
> with its peripherals removed that has just booted (for exampl
There are potentially few useful entropy sources on an isolated system with
its peripherals removed that has just booted (for example), so a cat
walking across the keyboard can be used to strengthen the randomness at
little cost. It's mostly defense-in-depth.
Sean
On Mon, Jan 22, 2018 at 1:59 AM,
It's a good point, and I was wondering why this "manual input" entropy is
needed.
I don't understand what it adds to the entropy implicitly grabbed from the
system by the executable.
If we assume that an adversary is able to monitor the system and replicate
the entropy of the random generator used
gt; Andrew Miller > University of
> Illinois at Urbana-Champaign > >
> From: Sean Bowe [s...@z.cash] > Sent: Wednesday, January 17, 2018 10:22 PM >
> To: Miller, Andrew > Cc: Zapps wg > Subject: Re: [zapps-wg] Powers of Tau > >
> It does interfere with
0:22 PM
> To: Miller, Andrew
> Cc: Zapps wg
> Subject: Re: [zapps-wg] Powers of Tau
>
> It does interfere with someone, but we could make it work Saturday
> morning if you don't expect it to take longer than the morning.
>
> Sean
>
> On Wed, Jan 17, 2018 at 9:18
paign
From: Sean Bowe [s...@z.cash]
Sent: Wednesday, January 17, 2018 10:22 PM
To: Miller, Andrew
Cc: Zapps wg
Subject: Re: [zapps-wg] Powers of Tau
It does interfere with someone, but we could make it work Saturday
morning if you don't expect it to take longer than the morn
On 18/01/18 13:46, Bastien Teinturier via zapps-wg wrote:
> Powers of Tau Attestation
Notice that PowersOfTau_2.jpg leaks the additional entropy provided
to the computation. That's ok, it uses operating system entropy as
well; just noting that future participants might want to avoid that.
--
Dai
Sounds good! I'll be in touch.
Sean
On Thu, Jan 18, 2018 at 12:47 AM, Gabe Ortiz via zapps-wg
wrote:
> Hi, I’d like to participate. I can go anytime next week between 9am and 5pm
> MST.
>
> -Gabe
This is great! I've entered it into the transcript. Thanks!
Sean
On Thu, Jan 18, 2018 at 6:46 AM, Bastien Teinturier via zapps-wg <
zapps...@lists.z.cash.foundation> wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Powers of Tau Attestation
>
>
> Da
Hi, I’d like to participate. I can go anytime next week between 9am and 5pm MST.
-Gabe
It does interfere with someone, but we could make it work Saturday
morning if you don't expect it to take longer than the morning.
Sean
On Wed, Jan 17, 2018 at 9:18 PM, Andrew Miller via zapps-wg
wrote:
> Greetings everyone,
>I have a good one planned. But it's got a difficult time constrain
Greetings everyone,
I have a good one planned. But it's got a difficult time constraint. I
need to go this coming Saturday morning. Hopefully it won't interfere with
the batting order much if I ask for priority! Thanks,
Thank you! Another fun attestation. :)
Sean
On Wed, Jan 17, 2018 at 7:47 PM, Ryan Close via zapps-wg
wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA512
>
> Powers of Tau Attestation
> =
>
> Round: 38
> Date: 2018-1-17
> Name: Ryan Close
> Location: Florida, US
>
>
Cool, we'll get you in likely early next month then.
Sean
On Wed, Jan 17, 2018 at 6:22 PM, Jan Jancar via zapps-wg
wrote:
> Hi all,
> I would like to participate in the Powers of Tau ceremony. I have a
> compute node ready, am in the UTC +2 timezone, and generally available
> until the 22.01.201
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA512
Powers of Tau Attestation
=
Round: 38
Date: 2018-1-17
Name: Ryan Close
Location: Florida, US
Challenge:
a58bcc60b15a6cd3d69fa7ef87b4f9d2f9be6eb2d470f66e0dadc8058a14c8ca18efaa1ca69346865d3f83bbc9fe1320e5c16f3580567963a206d337
Hi all,
I would like to participate in the Powers of Tau ceremony. I have a
compute node ready, am in the UTC +2 timezone, and generally available
until the 22.01.2018 and then from 01.02.2018.
Cheers,
--
Jan
__
/\ # PGP: 362056ADA8F2F4E4215
Here is the output of my Powers of Tau computation:
The BLAKE2b hash of `./response` is:
f0e0af19 eb107a53 ef62fc62 09251189
da9e9dc5 266c0653 e45a4a23 8a857aaa
cb8b71b9 b98b0e01 b3a85103 8929fd70
e807d976 4d0be658 8c20408a 7e96c084
Attached is a GPG signature of t
Great! I'll be in touch.
On Tue, Jan 16, 2018 at 12:25 AM, Jacob Lyles via zapps-wg
wrote:
> Hi everyone!
>
> I'd like to participate in the ZCash Powers of Tau ceremony. As far as
> crypto cred goes, I was an author of the glacier protocol
> (https://glacierprotocol.org/), a bitcoin enthusiast s
I completed the challenge using the code from the github repo:
ebfull/powersoftau at commit: d47a1d3d1f007063cbcc35f1ab902601a8b3bd91
The computation was done on a machine disconnected from all networks. The
output was:
The BLAKE2b hash of `./response` is:
683dda8e fddc1da5 3956102e 1f4ae4e3
f0
Hi everyone!
I'd like to participate in the ZCash Powers of Tau ceremony. As far as
crypto cred goes, I was an author of the glacier protocol (
https://glacierprotocol.org/), a bitcoin enthusiast since 2012, and a ZCash
enthusiast since well before the launch day. It would mean a lot to me to
be p
Sean sent me a challenge in private communication today, and I uploaded a
response on the same day.
I used the ebfull/powersoftau repo at
d47a1d3d1f007063cbcc35f1ab902601a8b3bd91, using the latest stable Rust
(1.23.0).
I downloaded the challenge on two separate machines (desktop PC and
laptop), d
Here is the output from my Powers of Tau computation:
The BLAKE2b hash of `./response` is:
d751205b 2b043b0e 471ffe5d 114ecdc2
98afabfd 09295ef0 319406f0 47e855a9
b0f0b3f7 3c1bf649 612b2769 65e35c2b
40dc0f56 90e8ab75 aed38af5 3966a436
I have included a GPG signatur
I added this to the transcript, thank you! :)
Sean
On Mon, Jan 8, 2018 at 11:09 AM, James Prestwich via zapps-wg
wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> I've finshed running the powers of tau contriubtion, and uploaded the
> response.
>
> $ sha256sum challenge
> 85a1f6af39
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256
I've finshed running the powers of tau contriubtion, and uploaded the response.
$ sha256sum challenge
85a1f6af395e10eab667edca18272b7c30d8b57da1fe2bd1cba2eeae66757c4b
The BLAKE2b hash of `./response` is:
829a70f6 d8107c88 f20bd02a b130d598
Thanks! I've added this to the transcript.
Sean
On Sat, Jan 6, 2018 at 8:02 PM, Brian via zapps-wg
wrote:
> Powers of Tau Operational Writeup
> =
> Date: 2018-01-06
> Name: Brian Gomes Bascoy
> Location: Seattle, WA, USA
>
> Challenge:
> bdfadf02e016d8fac9a77659ce
Powers of Tau Operational Writeup
=
Date: 2018-01-06
Name: Brian Gomes Bascoy
Location: Seattle, WA, USA
Challenge:
bdfadf02e016d8fac9a77659ce4bf6e066d07c168c69d27f3132344c26dc3eb657b77ce
2327f5a3483f5d33d5d391757a23a4a09a88f02868353aa65cdcfcb3a
Response:
02dc27a0df
Dear All,
I would like to participate in zk-snarks parameters' generation procedure. My
availability: 7-11 January.
Best,
017
10-20s proving time is more than fast enough for me.
I'm going to dig through the gadgetlibs to get a feel for what it'd take to
implement this, but it's been a long time since my last algebra class.
On Wed, Jan 3, 2018 at 3:06 PM Andrew Miller wrote:
> Yeah! It's 2018 and we still don't have a
Yeah! It's 2018 and we still don't have a libsnark gadget for
verifying major cryptocurrency signatures? What gives?
Call me old fashioned #slowcrypto but even with 10-20s proving time it
could still be useful for things.
On Wed, Jan 3, 2018 at 4:01 PM, James Prestwich wrote:
> This is about the
This is about the point where my math and libsnark knowledge runs out :)
My usecase is specifically cryptocurrency related, so I'm mostly interested
in curves that are used by cryptocurrency signature algorithms. E.g.
secp256k1 (Bitcoin and its kids), ed25519 (Sia, Stellar, and a few others).
Jubj
I believe those gadgets are specifically for curves where the scalar
field is the base field of the curve you're working with, so they
probably wouldn't be that useful for arbitrary fields. Most of the
complexity here is the bignum arithmetic inside the circuit, though.
> Is there any more clever
Suppose one did want to build a secp256k1 gadget. I notice that libsnark
already provides a general gadget for weierstrass form elliptic curves,
parameterized by a field. So all we'd have to do is define the secp256k1
operations in the alt_bn128 or in bls12 fields. Is there any more clever
way to
If any curve is acceptable, I would encourage Jubjub, which we'll be
using for the next version of Zcash. In which case you will be able to
leverage our Sapling crypto code once it is more mature over the next
month or so. https://github.com/zcash-hackworks/sapling-crypto
Sean
On Wed, Jan 3, 2018
> I'd like to participate in the setup ceremony.
Great! I'll be in touch.
> {(a) : A = a * G, B = H(a)}
Are you constrained by the choice of H and/or the curve?
Sean
On Wed, Jan 3, 2018 at 12:47 PM, James Prestwich via zapps-wg
wrote:
> I'd like to participate in the setup ceremony.
>
> I als
I'd prefer sha256 or bitcoin-style hash160. I'm interested in a few
different curves, including secp256k1. Eventually for EdDSA keys as well.
Is there a list of supported curve operations?
On Wed, Jan 3, 2018 at 12:57 PM Andrew Miller wrote:
> Thank you so much for expressing your question in Ca
Thank you so much for expressing your question in Camenisch-Stadler
notation! That makes it very clear what you're going for.
What hash function H do you have in mind, would SHA2 work? Also what group
G do you have in mind, secp256k1?
If so, I do not know of any existing implementation of secp256
I'd like to participate in the setup ceremony.
I also have an app I'd like to build using a zk-proof of knowledge of an
ECC private key. {(a) : A = a * G, B = H(a)}. Can anyone point me to good
resources on getting started?
mation.
Original Message ----
Subject: Re: [zapps-wg] Powers of Tau contribution
Local Time: January 3, 2018 12:45 AM
UTC Time: January 3, 2018 12:45 AM
From: zapps...@lists.z.cash.foundation
<mailto:zapps...@lists.z.cash.foundation>
To: zapps
onse,
> especially since it takes two minutes to Google for the official
> information.
>
> ---- Original Message
> Subject: Re: [zapps-wg] Powers of Tau contribution
> Local Time: January 3, 2018 12:45 AM
> UTC Time: January 3, 2018 12:45 AM
> From: zapps...@l
Excuse us? You asked "how do I start mining?" which is completely unrelated to
the topic at hand. You are not entitled to a response, especially since it
takes two minutes to Google for the official information.
> Original Message
> Subject: Re: [zapps-w
Not to hijack the thread, but I've asked how to contribute and was not
given an answer.
On 1/2/2018 3:12 PM, Tony Arcieri via zapps-wg wrote:
I have finished running Powers of Tau. Here is the output:
The BLAKE2b hash of `./response` is:
d129d960 a645c735 ec52fc80 91f081d1
a6e4ff78 90e4fa55
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