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  BIP: 129
  Layer: Applications
  Title: Bitcoin Secure Multisig Setup (BSMS)
  Author: Hugo Nguyen <[email protected]>
          Peter Gray <[email protected]>
          Marko Bencun <[email protected]>
          Aaron Chen <[email protected]>
          Rodolfo Novak <[email protected]>
  Comments-Summary: No comments yet.
  Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0129
  Status: Proposed
  Type: Standards Track
  Created: 2020-11-10
  License: BSD-2-Clause

Table of Contents

Introduction

Abstract

This document proposes a mechanism to set up multisig wallets securely.

Copyright

This BIP is licensed under the 2-clause BSD license.

Motivation

The Bitcoin multisig experience has been greatly streamlined under BIP-0174 (Partially Signed Bitcoin Transaction). However, what is still missing is a standardized process for setting up multisig wallets securely across different vendors.

There are a number of concerns when it comes to setting up a multisig wallet:

  1. Whether the multisig configuration, such as Signer membership, script type, derivation paths and number of signatures required, is correct and not tampered with.
  2. Whether the keys or the multisig configuration are leaked during the setup.
  3. Whether the Signer persists the multisig configuration in their respective storage, and under what format.
  4. Whether the Signer's storage is tamper-proof.
  5. Whether the Signer subsequently uses the multisig configuration to generate and verify receive and change addresses.
An attacker who can modify the multisig configuration can steal or hold funds for ransom by duping the user into sending funds to the wrong address. An attacker who cannot modify the configuration but can learn about the keys and/or the configuration can monitor transactions in the wallet, resulting in loss of privacy.

This proposal seeks to address concerns #1, #2 and #3: to mitigate the risk of tampering during the initial setup phase, and to define an interoperable multisig configuration format.

Concerns #4 and #5 should be handled by Signers and are out of scope of this proposal.

Specification

Prerequisites

This proposal assumes the parties in the multisig support BIP-0032, BIP-0322, the descriptor language and AES encryption.

File Extensions

All descriptor and key records should have a .bsms file extension. Encrypted data should have a .dat extension.

Roles

Coordinator

The Coordinator initiates the multisig setup. The Coordinator determines what type of multisig is used and the exact policy script. If encryption is enabled, the Coordinator also distributes a shared secret or shared secrets to the parties involved for secure communication. The Coordinator gathers information from the Signers to generate a descriptor record. The Coordinator distributes the descriptor record back to the Signers.

Signer

The Signer is any software or hardware that controls the private keys and can sign using those keys. The Signer is a participating member in the multisig. Its responsibilities include providing its key record -- which contains a public key or an Extended Public Key (XPUB) -- to the Coordinator, verifying that its KEY is included in the descriptor record and persisting the descriptor record in its storage.

Setup Process

Round 1

Coordinator
  • The Coordinator creates a new multisig wallet creation session. The Coordinator constructs the multisig script and its policy parameters, such as the required number of signatures and the total number of Signers (M and N).
  • The session should expire after some time period determined by the Coordinator, e.g., 24 hours. The timeout allows the encryption key to have lower entropy.
  • If encryption is enabled, the Coordinator distributes a secret TOKEN to each Signer over a secure channel. The Signer can use the TOKEN to derive an ENCRYPTION_KEY. Refer to the #Encryption section below for details on the TOKEN, the key derivation function and the encryption scheme. Depending on the use case, the Coordinator can decide whether to share one common TOKEN for all Signers, or to have one per Signer.
  • If encryption is disabled, the TOKEN is set to 0x00, and all the encryption/decryption steps below can be skipped.
Signer
  • The Signer initiates the multisig wallet creation session by setting the TOKEN. The Signer derives an ENCRYPTION_KEY from the TOKEN. The Signer can keep the session open until a different value for the TOKEN is set.
  • The Signer generates a key record by prompting the user for a multisig derivation path and retrieves the KEY at that derivation path. Alternatively, the Signer can choose a path on behalf of the user. If the Signer chooses the path, it should try to avoid reusing KEYs for different wallets.
  • The first line in the record must be the specification version (BSMS 1.0 as of this writing). The second line must be the hex-encoded TOKEN. The third line must be the KEY. The KEY is a public key or an XPUB plus the key origin information, written in the descriptor-defined format, i.e.: [{master key fingerprint}/{derivation path}]{KEY}. The fourth line is a text description of the key, 80 characters maximum. The fifth line must be a SIG, whereas SIG is the signature generated by using the private key associated with the public key or XPUB to sign the first four lines. The signature should follow BIP-0322, legacy format accepted.
  • The Signer calculates the Message Authentication Code (MAC) for the record. The first 16 bytes of the MAC serves as the Initialization Vector (IV) for the encryption.
  • The Signer encrypts the key record with the ENCRYPTION_KEY and IV.
  • The Signer encodes the MAC and the ciphertext into hexadecimal format, then concatenates the results: (MAC || ciphertext).

Round 2

Coordinator
  • The Coordinator gathers key records from all participating Signers. The Coordinator verifies that there are exactly N unique key records before the wallet setup session expires.
  • For each key record, the Coordinator extracts the MAC from the data, sets IV to the first 16 bytes of the MAC, then decrypts the ciphertext using the ENCRYPTION_KEY and IV.
  • The Coordinator verifies that the included MAC is valid given the plaintext.
  • The Coordinator verifies that the key records have compatible specification versions.
  • The Coordinator verifies that the included SIG is valid given the KEY.
  • If all key records look good, the Coordinator fills in all necessary information to generate a descriptor record.
  • The first line in the descriptor record must be the specification version (BSMS 1.0 as of this writing). The second line must be a descriptor or a descriptor template. The third line must be a comma-separated list of derivation path restrictions. The paths must start with / and use non-hardened derivation. If there are no template or restrictions, it must say No path restrictions. The fourth line must be the wallet's first address. If there are path restrictions, use the first address from the first path restriction.
  • The Coordinator calculates the MAC for the record. The first 16 bytes of the MAC serves as the IV for the encryption..
  • The Coordinator encrypts the descriptor record with the ENCRYPTION_KEY and IV.
  • The Coordinator encodes the MAC and the ciphertext into hexadecimal format, then concatenates the results: (MAC || ciphertext).
  • The Coordinator sends the encrypted descriptor record to all participating Signers.
Signer

  • The Signer imports the descriptor record.
  • The Signer extracts the MAC from the data, sets IV to the first 16 bytes of the MAC, then decrypts the ciphertext using the ENCRYPTION_KEY (derived from the open session) and IV.
  • The Signer verifies that the included MAC is valid given the plaintext.
  • The Signer verifies that it can support the included specification version.
  • The Signer verifies that it can support the descriptor or descriptor template.
  • The Signer checks that its KEY is included in the descriptor or descriptor template, using path and fingerprint information provided. The check must perform an exact match on the KEYs and not using shortcuts such as matching fingerprints, which is trivial to spoof.
  • The Signer verifies that it is compatible with the derivation path restrictions.
  • The Signer verifies that the wallet's first address is valid.
  • For confirmation, the Signer must display to the user the wallet's first address and policy parameters, including, but not limited to: the derivation path restrictions, M, N, and the position(s) of the Signer's own KEY in the policy script. The total number of Signers, N, is important to prevent a KEY insertion attack. The position is important for scripts where KEY order matters. When applicable, all positions of the KEY must be displayed. The full descriptor or descriptor template must also be available for review upon user request.
  • Parties must check with each other that all Signers have the same confirmation (except for the KEY positions).
  • If all checks pass, the Signer must persist the descriptor record in its storage.
This completes the setup.

Encryption

The Token

We define three modes of encryption.

  1. NO_ENCRYPTION : the TOKEN is set to 0x00. Encryption is disabled.
  2. STANDARD : the TOKEN is a 64-bit nonce.
  3. EXTENDED : the TOKEN is a 128-bit nonce.
The TOKEN can be converted to one of these formats:
  • A decimal number (recommended). The number must not exceed the maximum value of the nonce.
  • A mnemonic phrase using BIP-0039 word list. This would be 6 words in STANDARD mode. This encoding is not recommended in EXTENDED mode as it can result in potential confusion between seed mnemonics and TOKEN mnemonics.
  • A QR code.
  • Other formats.
The flexibility in the data format allows each Signer to customize the User Experience based on its respective capabilities.

Key Derivation

The key derivation function is PBKDF2, with PRF = SHA512. Specifically:

DKey = PBKDF2(PRF, Password, Salt, c, dkLen)

Whereas:

  • PRF = SHA512
  • Password = "No SPOF"
  • Salt = TOKEN
  • c = 2048
  • dkLen = 256
  • DKey = Derived ENCRYPTION_KEY

Encryption Scheme

The encryption scheme is AES-256-CTR.

MAC = HMAC-SHA256(HMAC_Key, hex-encoded TOKEN || Data)

IV = First 16 bytes of MAC

Ciphertext = AES-256-CTR-Encrypt(Plaintext, DKey, IV)

Plaintext = AES-256-CTR-Decrypt(Ciphertext, DKey, IV)

Whereas:

  • DKey = ENCRYPTION_KEY
  • HMAC_Key = SHA256(ENCRYPTION_KEY)
  • Data = the plaintext, e.g. the entire key record in round 1 and the entire descriptor record in round 2
The MAC is to be sent along with the key and descriptor record, as specified above. Because it is a MAC over the entire plaintext, this is essentially an Encrypt-and-MAC form of authenticated encryption.

Descriptor Template

The output descriptor language only supports one-dimensional lists. This proposal introduces a descriptor template to represent multi-dimensional lists:

XPUB/**

Whereas /** can be replaced by any number of derivation path restrictions.

A descriptor template must be accompanied by derivation path restrictions. Signers should expand the template into concrete descriptors by replacing /** with the restrictions.

For example, the following template and derivation path restrictions:

  • wsh(sortedmulti(2,XPUB1/**,XPUB2/**))
  • /0/*,/1/*
Should translate to two concrete descriptors:
  • wsh(sortedmulti(2,XPUB1/0/*,XPUB2/0/*))
  • wsh(sortedmulti(2,XPUB1/1/*,XPUB2/1/*))

QR Codes

For signers that use QR codes to transmit data, key and descriptor records can be converted to QR codes, following the BCR standard.

Also refer to UR Type Definition for BIP44 Accounts and UR Type Definition for Bitcoin Output Descriptors for more details.

Compatibility

This specification is not backwards compatible with existing multisig implementations.

BSMS is opt-in, meaning existing multisig implementations can continue working as-is, with the caveat that they are likely to have various pitfalls. Some of the problems with existing solutions have been described in the #Motivation section.

To comply with this standard, a Signer must be able to persist the descriptor record in its storage.

To use BSMS for a multisig wallet, the user should wait until all participating Signers in the multisig have implemented BSMS.

Security

This proposal introduces two layers of protection. The first one is a temporary, secret TOKEN. The second one is the confirmation of the wallet's first address.

The TOKEN is used to encrypt the two rounds of communication between the Signer and the Coordinator. A MAC is also generated from the TOKEN and plaintext to authenticate the data being exchanged. The TOKEN is only needed during the setup phase, and can be safely discarded afterwards. It is not recommended to use the same TOKEN for multiple wallet creation sessions.

The wallet's first address, on the other hand, can be used to verify the integrity of the multisig configuration. An attacker who tampers with the multisig configuration must also change the wallet's first address. Parties must check with each other that all Signers confirm to the same address and policy parameters to reduce the chance of tampering.

Privacy

Encryption helps improve the privacy of the wallet by avoiding sharing keys and descriptors in plaintext.

If the parties wish to have stronger privacy, it is recommended to use a higher number of bits for the TOKEN, and to completely erase knowledge of the TOKEN after the multisig wallet has been set up.

Test Vectors

Mode: NO_ENCRYPTION with Public Keys

ROUND 1

  • Coordinator
    • M-of-N: 1/2
    • ADDRESS_TYPE: NATIVE_SEGWIT
    • TOKEN: 0x00
  • Signer 1
    • MASTER_KEY_FINGERPRINT: 59865f44
    • PRIVATE_KEY (m/48'/0'/0'/2'): L5TXU4SdD9e6QGgBjxeegJKxt4FgATLG1TCnFM8JLyEkFuyHEqNM
    • Public Key (m/48'/0'/0'/2'): 026d15412460ba0d881c21837bb999233896085a9ed4e5445bd637c10e579768ba
    • Legacy signature
    • signer_1_key.bsms:
BSMS 1.0
00
[59865f44/48'/0'/0'/2']026d15412460ba0d881c21837bb999233896085a9ed4e5445bd637c10e579768ba
Signer 1 key
H6DXgqkCb353BDPkzppMFpOcdJZlpur0WRetQhIBqSn6DFzoQWBtm+ibP5wERDRNi0bxxev9B+FIvyQWq0s6im4=

  • Signer 2
    • MASTER_KEY_FINGERPRINT: b7044ca6
    • PRIVATE_KEY (m/48'/0'/0'/2'): KwT7BZDWjos4JAdfKi8NqF46Kj3rppTwN8KGhPbzmmugiZioFW3r
    • Public Key (m/48'/0'/0'/2'): 030baf0497ab406ff50cb48b4013abac8a0338758d2fd54cd934927afa57cc2062
    • Legacy signature
    • signer_2_key.bsms:
BSMS 1.0
00
[b7044ca6/48'/0'/0'/2']030baf0497ab406ff50cb48b4013abac8a0338758d2fd54cd934927afa57cc2062
Signer 2 key
H08mGNGN+NxX/snt+6eX2Q1HjjfDkOtotglshHi7xdsBdIrTVMCQbgQ5SdACNZ0B2AJcifK11nJj43SvaitSemI=

ROUND 2

  • Coordinator
    • my_multisig_wallet.bsms:
BSMS 1.0
wsh(sortedmulti(1,[59865f44/48'/0'/0'/2']026d15412460ba0d881c21837bb999233896085a9ed4e5445bd637c10e579768ba,[b7044ca6/48'/0'/0'/2']030baf0497ab406ff50cb48b4013abac8a0338758d2fd54cd934927afa57cc2062))#rzx9dffd
No path restrictions
bc1quqy523xu3l8che3s8vja8n33qtg0uyugr9l5z092s3wa50p8t7rqy6zumf

Mode: NO_ENCRYPTION

ROUND 1

  • Coordinator
    • M-of-N: 2/2
    • ADDRESS_TYPE: NATIVE_SEGWIT
    • TOKEN: 0x00
  • Signer 1
    • MASTER_KEY_FINGERPRINT: 1cf0bf7e
    • PRIVATE_KEY (m/48'/0'/0'/2'): L3q1sg7iso1L3QfzB1riC9bQpqMynWyBeuLLSKwCDGkHkahB7MgU
    • XPUB (m/48'/0'/0'/2'): xpub6FL8FhxNNUVnG64YurPd16AfGyvFLhh7S2uSsDqR3Qfcm6o9jtcMYwh6DvmcBF9qozxNQmTCVvWtxLpKTnhVLN3Pgnu2D3pAoXYFgVyd8Yz
    • Legacy signature
    • signer_1_key.bsms:
BSMS 1.0
00
[1cf0bf7e/48'/0'/0'/2']xpub6FL8FhxNNUVnG64YurPd16AfGyvFLhh7S2uSsDqR3Qfcm6o9jtcMYwh6DvmcBF9qozxNQmTCVvWtxLpKTnhVLN3Pgnu2D3pAoXYFgVyd8Yz
Signer 1 key
IB7v+qi1b+Xrwm/3bF+Rjl8QbIJ/FMQ40kUsOOQo1SqUWn5QlFWbBD8BKPRetfo1L1N7DmYjVscZNsmMrqRJGWw=

  • Signer 2
    • MASTER_KEY_FINGERPRINT: 4fc1dd4a
    • PRIVATE_KEY (m/48'/0'/0'/2'): L4JNkJfLBDyWfTLbKJ1H3w56GUMsvdfjCkzRo5RHXfJ6bdHqm6cN
    • XPUB (m/48'/0'/0'/2'): xpub6EebMbEps7ZcV3FYEnddRsvrFWDrt2tiPmCeM7pPXQEmphvq9ZfJ1LWFUDjf3vxCeBuPrfyGrMazWUsYsetrnHatQZVLJH7LsgCjtMqdzgj
    • Legacy signature
    • signer_2_key.bsms:
BSMS 1.0
00
[4fc1dd4a/48'/0'/0'/2']xpub6EebMbEps7ZcV3FYEnddRsvrFWDrt2tiPmCeM7pPXQEmphvq9ZfJ1LWFUDjf3vxCeBuPrfyGrMazWUsYsetrnHatQZVLJH7LsgCjtMqdzgj
Signer 2 key
HzUa4Z76PFHMl54flIIF3XKiHZ+KbWjjxCEG5G3ZqZSqTd6OgTiFFLqq9PXJXdfYm6/cnL8IVWQgjFF9DQhIqQs=

ROUND 2

  • Coordinator
    • my_multisig_wallet.bsms:
BSMS 1.0
wsh(sortedmulti(2,[1cf0bf7e/48'/0'/0'/2']xpub6FL8FhxNNUVnG64YurPd16AfGyvFLhh7S2uSsDqR3Qfcm6o9jtcMYwh6DvmcBF9qozxNQmTCVvWtxLpKTnhVLN3Pgnu2D3pAoXYFgVyd8Yz/**,[4fc1dd4a/48'/0'/0'/2']xpub6EebMbEps7ZcV3FYEnddRsvrFWDrt2tiPmCeM7pPXQEmphvq9ZfJ1LWFUDjf3vxCeBuPrfyGrMazWUsYsetrnHatQZVLJH7LsgCjtMqdzgj/**))
/0/*,/1/*
bc1qrgc6p3kylfztu06ysl752gwwuekhvtfh9vr7zg43jvu60mutamcsv948ej

Mode: STANDARD Encryption

ROUND 1

  • Coordinator
    • M-of-N: 2/2
    • ADDRESS_TYPE: NATIVE_SEGWIT
    • TOKEN (hex): a54044308ceac9b7
      • TOKEN (decimal): 11907592390080907703
      • TOKEN (mnemonic): pipe acquire around border prosper swift
    • ENCRYPTION_KEY (hex): 7673ffd9efd70336a5442eda0b31457f7b6cdf7b42fe17f274434df55efa9839
  • Signer 1
    • MASTER_KEY_FINGERPRINT: b7868815
    • PRIVATE_KEY (m/48'/0'/0'/2'): KyKvR9kf8r7ZVtdn3kB9ifipr6UKnTNTpWJkGZbHwARDCz5iZ39E
    • XPUB (m/48'/0'/0'/2'): xpub6FA5rfxJc94K1kNtxRby1hoHwi7YDyTWwx1KUR3FwskaF6HzCbZMz3zQwGnCqdiFeMTPV3YneTGS2YQPiuNYsSvtggWWMQpEJD4jXU7ZzEh
    • Legacy signature
    • signer_1_key.bsms:
BSMS 1.0
a54044308ceac9b7
[b7868815/48'/0'/0'/2']xpub6FA5rfxJc94K1kNtxRby1hoHwi7YDyTWwx1KUR3FwskaF6HzCbZMz3zQwGnCqdiFeMTPV3YneTGS2YQPiuNYsSvtggWWMQpEJD4jXU7ZzEh
Signer 1 key
H8DYht5P6ko0bQqDV6MtUxpzBSK+aVHxbvMavA5byvLrOlCEGmO1WFR7k2wu42J6dxXD8vrmDQSnGq5MTMMbZ98=

  • Signer 1 encryption
    • HMAC_KEY (hex): 3d4c422806ba8964c9ee45070cd675c024d96648a0ddb4001325818c84951de2
    • MAC (hex): fbdbdb64e6a8231c342131d9f13dcd5a954b4c5021658fa5afcb3fc74dc82706
    • IV (hex) : fbdbdb64e6a8231c342131d9f13dcd5a
    • CIPHERTEXT (hex): 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
    • signer_1_key.dat: 
      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
  • Signer 2
    • MASTER_KEY_FINGERPRINT: eedff89a
    • PRIVATE_KEY (m/48'/0'/0'/2'): Kz1ijnkDXmc65NWTYdg47DDaQgSGJAPfhJG9Unm36oqZPpPXuNR6
    • XPUB (m/48'/0'/0'/2'): xpub6EhJvMneoLWAf8cuyLBLQiKiwh89RAmqXEqYeFuaCEHdHwxSRfzLrUxKXEBap7nZSHAYP7Jfq6gZmucotNzpMQ9Sb1nTqerqW8hrtmx6Y6o
    • Legacy signature
    • signer_2_key.bsms:
BSMS 1.0
a54044308ceac9b7
[eedff89a/48'/0'/0'/2']xpub6EhJvMneoLWAf8cuyLBLQiKiwh89RAmqXEqYeFuaCEHdHwxSRfzLrUxKXEBap7nZSHAYP7Jfq6gZmucotNzpMQ9Sb1nTqerqW8hrtmx6Y6o
Signer 2 key
H/IHW5dMGYsrRdYEz3ux+kKnkWBtxHzfYkREpnYbco38VnMvIxCbDuf7iu6960qDhBLR/RLjlb9UPtLmCMbczDE=

  • Signer 2 encryption
    • HMAC_KEY (hex): 3d4c422806ba8964c9ee45070cd675c024d96648a0ddb4001325818c84951de2
    • MAC (hex): 383d05b7351a2cef7cca2850450f5efbbc4a3f8ea35707dda87a3692f0f2ebae
    • IV (hex) : 383d05b7351a2cef7cca2850450f5efb
    • CIPHERTEXT (hex): 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
    • signer_2_key.dat: 
      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

ROUND 2

  • Coordinator
    • my_multisig_wallet.bsms:
BSMS 1.0
wsh(sortedmulti(2,[b7868815/48'/0'/0'/2']xpub6FA5rfxJc94K1kNtxRby1hoHwi7YDyTWwx1KUR3FwskaF6HzCbZMz3zQwGnCqdiFeMTPV3YneTGS2YQPiuNYsSvtggWWMQpEJD4jXU7ZzEh/**,[eedff89a/48'/0'/0'/2']xpub6EhJvMneoLWAf8cuyLBLQiKiwh89RAmqXEqYeFuaCEHdHwxSRfzLrUxKXEBap7nZSHAYP7Jfq6gZmucotNzpMQ9Sb1nTqerqW8hrtmx6Y6o/**))
/0/*,/1/*
bc1qhs4u273g4azq7kqqpe6vh5wfhasfmrq7nheyzsnq77humd7rwtkqagvakf

  • Coordinator encryption
    • HMAC_KEY (hex): 3d4c422806ba8964c9ee45070cd675c024d96648a0ddb4001325818c84951de2
    • MAC (hex): 734ce791b466861945e1ef6f74c63faec590793de54831f0036b28d08714b71a
    • IV (hex) : 734ce791b466861945e1ef6f74c63fae
    • CIPHERTEXT (hex): 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
    • my_multisig_wallet.dat: 
      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

Mode: EXTENDED Encryption

ROUND 1

  • Coordinator
    • M-of-N: 2/3
    • ADDRESS_TYPE: NESTED_SEGWIT
    • TOKEN for Signer 1 (hex): 108a2360adb302774eb521daebbeda5e
      • TOKEN (decimal): 21984902443033505423410071144203475550
      • ENCRYPTION_KEY (hex): 63dc1e57dfdc21fa11109d5088be01fb8078a383d2296925ad2b7612b7179777
    • TOKEN for Signer 2 (hex): d3fabc873b98165254fe18a71b5335b0
      • TOKEN (decimal): 281769005132501859744421970528095647152
      • ENCRYPTION_KEY (hex): 3dc860a53471ec03af14617fef60921cf215b45a9d684462fa65b9d804ad3ee7
    • TOKEN for Signer 3 (hex): 78a7d5e7549453d719150de5459c9ce5
      • TOKEN (decimal): 160378811550692397333855096016467696869
      • ENCRYPTION_KEY (hex): 62b90b4c08c03a0ee872e57aae73f9acfafb6cc09d20b5c9bc0bafaef33619db
  • Signer 1
    • MASTER_KEY_FINGERPRINT: 793cc70b
    • PRIVATE_KEY (m/48'/0'/0'/1'): L1ZEgZ4zNYxyNc8UyeqwyKW1UHVMp9sxwPgSi3s9SW8mc7KsiSwJ
    • XPUB (m/48'/0'/0'/1'): xpub6ErVmcYYHmavsMgxEcTZyzN5sqth1ZyRpFNJC26ij1wYGC2SBKYrgt9yariSbn7HLRoZUvhUhmPfsRTPrdhhGFscpPZzmch6UTdmRP1aZUj
    • Legacy signature
    • signer_1_key.bsms:
BSMS 1.0
108a2360adb302774eb521daebbeda5e
[793cc70b/48'/0'/0'/1']xpub6ErVmcYYHmavsMgxEcTZyzN5sqth1ZyRpFNJC26ij1wYGC2SBKYrgt9yariSbn7HLRoZUvhUhmPfsRTPrdhhGFscpPZzmch6UTdmRP1aZUj
Signer 1 key
ILG47LpCtjoD9UxL87jo5QFqA90t8g9fDQp/KBojdKgPPGB1pMx2bf9hPdORNZIOdCc/2+Gs6AOs3BEK9ubIuBw=

  • Signer 1 encryption
    • HMAC_KEY (hex): 1162cdace4ac9fcde1f96924b93714143d057a701de83ebaed248d1c9154f9fd
    • MAC (hex): ea12776c73de4bd5ea57c2d19eb8e0be856ac0d7f5651f7b74be4563d61ba5b1
    • IV (hex) : ea12776c73de4bd5ea57c2d19eb8e0be
    • CIPHERTEXT (hex): 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
    • signer_1_key.dat: 
      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
  • Signer 2
    • MASTER_KEY_FINGERPRINT: b3118e52
    • PRIVATE_KEY (m/48'/0'/0'/1'): L4SnPjcHszMg3Wi2YYxEYnzM2zFeFkFr5NcLZ18YQeyJwaSFbTud
    • XPUB (m/48'/0'/0'/1'): xpub6Du5Jn6eYZE96ccmAc1ZTFPzdnzrvqfG4mpamDun2qZYKywoiQJMCbS3kWWMr6U3XW6s125RLsaPABWgv2yA749ieaMe67FxkTjMsbcxCch
    • Legacy signature
    • signer_2_key.bsms:
BSMS 1.0
d3fabc873b98165254fe18a71b5335b0
[b3118e52/48'/0'/0'/1']xpub6Du5Jn6eYZE96ccmAc1ZTFPzdnzrvqfG4mpamDun2qZYKywoiQJMCbS3kWWMr6U3XW6s125RLsaPABWgv2yA749ieaMe67FxkTjMsbcxCch
Signer 2 key
IDK4d/oO0pgfrwRu4Zb8vqlPEmJb9aKT1K2CCnI3RKepVAKs3fZsBrypcCdQfUy1TG/3O5vAR3gjldxcCA1Wzg8=

  • Signer 2 encryption
    • HMAC_KEY (hex): 43a4e704bd1bade703023004b00290f1a7b005474a581d869a217068eedf3f57
    • MAC (hex): 4a3ff970d027010e83b4fbf2845a23907a301b3df692a9265e2ca679697ac718
    • IV (hex) : 4a3ff970d027010e83b4fbf2845a2390
    • CIPHERTEXT (hex): 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
    • signer_2_key.dat: 
      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
  • Signer 3
    • MASTER_KEY_FINGERPRINT: 842bd2ed
    • PRIVATE_KEY (m/48'/0'/0'/1'): L1ehZHpo2UFHc1yaBWDU4bKVycUwcU2TESm92wbfq6xK6qpZZJP6
    • XPUB (m/48'/0'/0'/1'): xpub6Ex81KopPkEt9hJiWHabYy8LNsSR4A7sUQoFBk9dR8XxHrr4p9HrYWN3NCf5uwfopHnQkCG7FYnZMztKbtRtbh6tzZC4xtHPbmVVxRSN7ic
    • Legacy signature
    • signer_3_key.bsms:
BSMS 1.0
78a7d5e7549453d719150de5459c9ce5
[842bd2ed/48'/0'/0'/1']xpub6Ex81KopPkEt9hJiWHabYy8LNsSR4A7sUQoFBk9dR8XxHrr4p9HrYWN3NCf5uwfopHnQkCG7FYnZMztKbtRtbh6tzZC4xtHPbmVVxRSN7ic
Signer 3 key
IL77mML0xo/O9dJn0T5EpQLuyRPPrdpgVJbtsdAugW5iX0MQ3Ci0f8jVnXu68Xm07CYjYGKX8af72jmkQKhNud0=

  • Signer 3 encryption
    • HMAC_KEY (hex): ab93ce7bf0f91c62a66d00ea9bf5e5c00b854ee2cfc2fb06f6eeff738abcdc26
    • MAC (hex): e82cfcccbd4bd4d3b76e28133eecd13f7362f4a8b4c4baa3e5f6ba2dfb4d69b8
    • IV (hex) : e82cfcccbd4bd4d3b76e28133eecd13f
    • CIPHERTEXT (hex): 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
    • signer_3_key.dat: 
      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

ROUND 2

  • Coordinator
    • my_multisig_wallet.bsms:
BSMS 1.0
sh(wsh(multi(2,[793cc70b/48'/0'/0'/1']xpub6ErVmcYYHmavsMgxEcTZyzN5sqth1ZyRpFNJC26ij1wYGC2SBKYrgt9yariSbn7HLRoZUvhUhmPfsRTPrdhhGFscpPZzmch6UTdmRP1aZUj/**,[b3118e52/48'/0'/0'/1']xpub6Du5Jn6eYZE96ccmAc1ZTFPzdnzrvqfG4mpamDun2qZYKywoiQJMCbS3kWWMr6U3XW6s125RLsaPABWgv2yA749ieaMe67FxkTjMsbcxCch/**,[842bd2ed/48'/0'/0'/1']xpub6Ex81KopPkEt9hJiWHabYy8LNsSR4A7sUQoFBk9dR8XxHrr4p9HrYWN3NCf5uwfopHnQkCG7FYnZMztKbtRtbh6tzZC4xtHPbmVVxRSN7ic/**)))
/0/*,/1/*
3GzMtFXahiu4TpGNGFc4bHMvAcvz5vVQrT

  • Send to Signer 1:
    • HMAC_KEY (hex): 1162cdace4ac9fcde1f96924b93714143d057a701de83ebaed248d1c9154f9fd
    • MAC (hex): 01bf557b6d44b3fbf07f8ec155cbdec42d85d856e174342563dd83b40ad7c025
    • IV (hex) : 01bf557b6d44b3fbf07f8ec155cbdec4
    • CIPHERTEXT (hex): 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
    • my_multisig_wallet_for_signer_1.dat: 
      01bf557b6d44b3fbf07f8ec155cbdec42d85d856e174342563dd83b40ad7c025617ed25b4b8fd88b806cbebcc1731b071465514a805f7ba2de60e291bc9493f31aa0f9b0665ba822cf9a2e21c02649b5c3f7dbad317ae898292cb6fe992520f68c0ebe9d1434b348af10453f1be0a392a616d43ba21e5e7fa3c995dce54db947fe5dbad4a9a77f37b3aef58c54ee3e496c8312d3033359aed0de8cf28b82035ee7a38c9b23c9d95682fb15936bf2247546d2ba9b3ada605f5c89f0a3bbaa86cb4b5dded9a65004912c0afbbfd01f0115447f5625e8523f9de16165d32c4b21103d8ac965e2f7e17641ee1a8c5902e8dbb461c6c7d05141f7bba66b8b3608037fb251b55fa461c9441c6427921545a34a1798127d5bf9cc92423f7e62c769e232c65db8cc5124577012d49941143c3b4758212a8afa0475c9b3597da2e99d585039339b7d73611aa277878d212875051683053db9c630391e0b32356523e9fa8a58a334e16fe6650472f336ddaa8c587992b6c0c0e480b680261579a11cf9d036614abc113dde53653273f5ce82ea0bc10e38ca52ac66838aa49ff46c3a7d5096db439c15d3c2e8de55e4ac7315a57eb9997f219c378af86c858867ce583ed84e4d9c68aecfbca9ebff16b0ac91531125e273b215db688ffe52c8033eb78914b87c0fa2001c52e90c92765712e50384ddcf4d0953ac3cc8137abcb2a85d603a6cc207472677
  • Send to Signer 2:
    • HMAC_KEY (hex): 43a4e704bd1bade703023004b00290f1a7b005474a581d869a217068eedf3f57
    • MAC (hex): 974ba77900c43c463dadaa6eaf24aaeb1b25b443cf155229b719bcbf8b343092
    • IV (hex) : 974ba77900c43c463dadaa6eaf24aaeb
    • CIPHERTEXT (hex): 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
    • my_multisig_wallet_for_signer_2.dat: 
      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
  • Send to Signer 3:
    • HMAC_KEY (hex): ab93ce7bf0f91c62a66d00ea9bf5e5c00b854ee2cfc2fb06f6eeff738abcdc26
    • MAC (hex): bb3c93b67d758f244de7ee73e5e61261cea6dff5b3852df8faf265cdf1c73dae
    • IV (hex) : bb3c93b67d758f244de7ee73e5e61261
    • CIPHERTEXT (hex): 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
    • my_multisig_wallet_for_signer_3.dat: 
      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

Acknowledgement

Special thanks to Pavol Rusnak, Dmitry Petukhov, Christopher Allen, Craig Raw, Robert Spigler, Gregory Sanders, Ta Tat Tai, Michael Flaxman, Pieter Wuille, Salvatore Ingala, Ava Chow and others for their feedback on the specification.

References

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