Blockchain Gateways: Use-Cases
draft-sardon-blockchain-gateways-usecases-00

Document Type Active Internet-Draft (individual)
Authors Aetienne Sardon  , Thomas Hardjono 
Last updated 2020-10-29
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Internet Engineering Task Force                                A. Sardon
Internet-Draft                                                  Swisscom
Intended status: Informational                               T. Hardjono
Expires: May 3, 2021                                                 MIT
                                                        October 30, 2020

                     Blockchain Gateways: Use-Cases
              draft-sardon-blockchain-gateways-usecases-00

Abstract

   In the past five years there has been a growing interest in using
   blockchains and DLT systems as a means to create a new mechanism to
   issue, distribute and manage virtual assets.  However, as DLT systems
   consisting of peer-to-peer (P2P) network of nodes increase in number,
   there is an increasing need to interconnect these networks to permit
   virtual assets to flow into and out of them.  This document captures
   a number of use-cases driving the need for interoperability between
   DLT systems.

Status of This Memo

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   to this document.  Code Components extracted from this document must
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Use-Case: CBDC interoperability . . . . . . . . . . . . . . .   2
   3.  Use-Case: Application and Data Portability  . . . . . . . . .   3
   4.  Use-Case: Interconnection of Supply-Chains  . . . . . . . . .   3
   5.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   3
     5.1.  Normative References  . . . . . . . . . . . . . . . . . .   4
     5.2.  Informative References  . . . . . . . . . . . . . . . . .   4
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   4

1.  Introduction

   In the past five years there has been a growing interest in using
   blockchains and DLT systems as a means to create a new mechanism to
   issue, distribute and manage virtual assets.

   However, as DLT systems consisting of peer-to-peer (P2P) network of
   nodes increase in number, there is an increasing need to interconnect
   these networks to permit virtual assets to flow into and out of them.

   This document captures a number of use-cases driving the need for
   interoperability between DLT systems.

2.  Use-Case: CBDC interoperability

   A Central Bank Digital Currency (CBDC) is a digital version of the
   sovereign currency within a nation.  The CBDC is distinct from other
   types of digital currencies because (a) its sole issuer is a central
   bank, and (b) like paper sovereign currencies the issuance of a CBDC
   represents a claim that the holder has upon the central bank.

   Many central banks are considering the use of DLT systems for CBDCs.
   For example, the Monetary Authority of Singapore (MAS) and the Bank
   of Canada (BOC) have been experimenting with private blockchains and
   have been exploring methods used to settle CBDCs (see project Ubin
   and Jasper) [MAS19].  Since different central banks might be using
   different private DLT systems, interoperability of these systems will
   be crucial for facilitating cross-border payments.

   The MAS and BOC have carried out a joint pilot project in 2019 to
   evaluate how transactions between a Quorum-based and Corda-based
   systems can be performed [MAS19].  While their HTLC based proof-of-

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   concept with direct node-to-node connectivity was conducted
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