Secure Asset Transfer Protocol H. Song
Internet-Draft Seoul National Univ.
Intended status: Informational Y.-G. Hong
Expires: 4 September 2025 Daejeon Univ.
T. Hardjono
MIT
March 2025
Secure Asset Transfer Protocol (SATP) Implementation Guide
draft-song-satp-implementation-guide-00
Abstract
This memo provides guidelines to developers of gateway systems,
digital asset networks and client applications for the Secure Asset
Transfer Protocol (SATP). Multiple gateways can represent the same
digital asset network following the SATP standards, which necessitate
basic implementation guidelines as outlined in this document. It
also serves as an introduction to the SATP processing workflow for
those new to the SATP standards.
(Note. the initial draft (00) is submitted for a brief review
regarding the document's direction by SATP WG members during IETF 12
in Bangkok, Mar 2025)
About This Document
This note is to be removed before publishing as an RFC.
The latest revision of this draft can be found at
https://anawhj.github.io/draft-song-satp-implementation-guide/draft-
song-satp-implementation-guide.html. Status information for this
document may be found at https://datatracker.ietf.org/doc/draft-song-
satp-implementation-guide/.
Discussion of this document takes place on the Secure Asset Transfer
Protocol mailing list (mailto:sat@ietf.org), which is archived at
https://mailarchive.ietf.org/arch/browse/sat/. Subscribe at
https://www.ietf.org/mailman/listinfo/sat/.
Source for this draft and an issue tracker can be found at
https://github.com/anawhj/draft-song-satp-implementation-guide.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
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This Internet-Draft will expire on 2 September 2025.
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document authors. All rights reserved.
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Conventions and Definitions . . . . . . . . . . . . . . . . . 3
3. Security Considerations . . . . . . . . . . . . . . . . . . . 4
4. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 4
5. References . . . . . . . . . . . . . . . . . . . . . . . . . 4
5.1. Normative References . . . . . . . . . . . . . . . . . . 4
5.2. Informative References . . . . . . . . . . . . . . . . . 4
Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . 4
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 4
1. Introduction
This document proposes implementation guidance from the perspective
of developers of peer gateways and digital asset networks.
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The Secure Asset Transfer Protocol (SATP) facilitates communication
between peer gateways and other entities such as digital asset
networks and client applications. A digital asset network can be
connected to multiple peer gateways to enable asset transfers while
ensuring interoperability. To ensure consistency across multiple
peer gateways, appropriate guidelines are necessary.
Peer gateways must implement a secure asset transfer mechanism that
meets essential requirements related to atomicity, consistency,
isolation, and durability (ACID). Security and privacy are also
critical requirements. Therefore, this document involves several
considerations beyond the SATP interface.
The existing SATP core documents ([SATcore], [SATarch]) provides most
of the key implementation guidelines, but this document offers a more
elaborated description of each phase within peer gateways and digital
asset networks.
Originator Beneficiary
(Origin network) (Destination network)
| |
+------------------------+ +------------------------+
| Client | | Client |
| Application | | Application |
| (App1) | | (App2) |
+------------------------+ +------------------------+
| | | |
V V V V
+---------+ +---------+ +---------+ +---------+
| | | | | | | |
| | | | | | | |
| Digital | | | | | | Digital |
| Asset | | Gateway | | Gateway | | Asset |
| Network |<-->| GW1 | <------> | GW2 | | Network |
| NW1 | | | | | | NW2 |
| | | | | | | |
| | | | | | | |
+---------+ +---------+ +---------+ +---------+
Figure 1. Scope of the SATP implementation
2. Conventions and Definitions
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
"OPTIONAL" in this document are to be interpreted as described in
BCP 14 [RFC2119] [RFC8174] when, and only when, they appear in all
capitals, as shown here.
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3. Security Considerations
TBA
4. IANA Considerations
There are no IANA considerations related to this document.
5. References
5.1. Normative References
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997,
<https://www.rfc-editor.org/rfc/rfc2119>.
[RFC8174] Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC
2119 Key Words", BCP 14, RFC 8174, DOI 10.17487/RFC8174,
May 2017, <https://www.rfc-editor.org/rfc/rfc8174>.
5.2. Informative References
[SATarch] Hardjono, T., Hargreaves, M., Smith, N., and V.
Ramakrishna, "Secure Asset Transfer (SAT) Interoperability
Architecture", December 2024,
<https://datatracker.ietf.org/doc/draft-ietf-satp-
architecture/>.
[SATcore] Hargreaves, M., Hardjono, T., Belchior, R., and V.
Ramakrishna, "Secure Asset Transfer Protocol (SATP) Core",
January 2025,
<https://datatracker.ietf.org/doc/draft-ietf-satp-core/>.
Acknowledgments
TBA
Authors' Addresses
Hyojin Song
Seoul National Univ.
Email: fun@snu.ac.kr
Yong-Geun Hong
Daejeon Univ.
Email: yonggeun.hong@gmail.com
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Thomas Hardjono
MIT
Email: hardjono@mit.edu
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