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See mesquka_attestation.md in this directory for Kieran Mesquita's signed attestation.

Hash of the challenge file for verification:

    09f26b9a 0a0e211f 15a00786 08b785f0
    5f764d96 83515ea5 68abd35f 06d603bf
    2ae74194 8a655b58 7e6f2c93 2d401611
    5aaf641f 2aaf4024 71f364ea 84d3ac37

response was based on the hash:

    09f26b9a 0a0e211f 15a00786 08b785f0
    5f764d96 83515ea5 68abd35f 06d603bf
    2ae74194 8a655b58 7e6f2c93 2d401611
    5aaf641f 2aaf4024 71f364ea 84d3ac37

Hash of the response file for verification:

    5aefcf92 1a01b9a6 a1a76a57 cf7dc79a
    67c9651f 5426a018 210ee385 25efdc77
    3512950b e71ac42f 76ed3ca5 be68c2ec
    ebf2e923 b397aafd 5ea17765 2f01f53c

Blake2b hash of the new_challenge file for participant #67:

    cd09d656 255c26e5 ae0542e4 987d5a5e
    86926c81 200a30f8 f013f912 08f31f5f
    9f13edeb 595fcb3d 2e812110 77ca2e57
    fa431ac6 27139c3c ba8bec2a 18fe6e08

The above new_challenge file: https://ppot.blob.core.windows.net/public/challenge_0067

Kieran Mesquita has also signed the attestation using the BTC address:

16KtwLwMBjVK8CRKvUtnfguBUeap3yDYuZ

The signature is:

H5h+dbXfE42/KMEAQz0E7R/iSeeatb/ienJ/XtNN3E3lDyta4gteQaufntcHU5yzAayJKdL6A3OCnjBBU/k4zqw=

Kieran Mesquita's attestation:

Attestation to response 0066

Date: 13-19 December 2020

Name: Kieran Mesquita

Alias: mesquka

Device: Randomly purchased laptop (Ubuntu 20.04.1 LTS)

Location: Perth, Australia

SnarkJS Commit Hash: 769210b91e436425c0b53e2966b2b08b54c7d0d3

Challenge b2sum: 09f26b9a0a0e211f15a0078608b785f05f764d9683515ea568abd35f06d603bf2ae741948a655b587e6f2c932d4016115aaf641f2aaf402471f364ea84d3ac37

Response b2sum: 5aefcf921a01b9a6a1a76a57cf7dc79a67c9651f5426a018210ee38525efdc773512950be71ac42f76ed3ca5be68c2ecebf2e923b397aafd5ea177652f01f53c

Entropy Sources: /dev/urandom, diceware

Time Taken: Approximately 1 week

Side channel defences: Swap disabled, OS install media, node, snarkjs, and modules downloaded prior to announcing intent to contribute, computer airgapped (exception of USB used to install OS, ferry challenge and response files), software hashes verified, physically present with machine through process

Postprocessing: Hardware destroyed