User Tools

Site Tools


Sidebar

Welcome to OMG-CBDC WG Wiki Provide Feedback

cbdc:public:cbdc_omg:04_doc:15_common:70_dualnets:start

4.7 Dual Payment Networks

Overview

Return to Top

Note: Also see:

The simplest way to add a U.S. CBDC would be to build a parallel payment transaction network to the existing Automated Clearing House (ACH) Network. The existing payment network would continue to function “as-is”, while the new real-time U.S. CBDC Network would handle payment transactions using the U.S. CBDC (probably a Stablecoin).

Note: The ACH has embarked on its own support for real-time transactions with Real-Time Payments (RTP) Network. This should not be confused with the Stablecoin or other Crypto solutions.

Both networks would rely on the existing intermediary financial institutions to continue to do what they already do in terms of Privacy, National Security, and International Security BUT with the addition of the ability to use a real-time U.S. CBDC transfer mechanism instead of only the existing Automated Clearing House (ACH) Network. This allows the existing mechanisms that are part of the existing intermediaries structure to remain in place for Privacy and Security. This of course assumes the existing mechanism on Privacy and Security is acceptable.

However, it would also be possible for new financial intermediaries to startup but they would only be allowed to use the U.S. CBDC payment network. These new financial intermediaries would NOT be released from following the existing Laws and Regulations of the traditional financial intermediaries. In other words, they would have to ensure the End User's privacy (both ends of the Payment Transactions. They would also have conform to all the National Security Laws and Regulations. If either End User in the Payment Transaction is not in the U.S., they would have to abide by all the International Laws and Regulations. This would mean these new Intermediaries would be subject to oversight and auditing.

The new U.S. CBDC network handles the real-time transaction requirements of the U.S. CBDC. This requires the:

Table 1: Theoretical components of a Dual ACH / CBDC System
Note: The API could be in the form of Web Services, Remote Procedure Calls (RPC), Common Object Request Broker Architecture (CORBA), Data Distribution Service (DDS) or other interprocess communication mechanisms defined using ISO/OMG Interface Definition Language (IDL), standardized Web Services Interface Language (WSDL), etc.

The Dual ACH/CBDC Payment Networks

Return to Top

Figure 1 provides a very simplistic overview of how a Dual ACH/CBDC network might work. The intention is to build onto the existing financial system already in place but to allow an option to use a U.S. CBDC probably built as a Stablecoin. The Existing Intermediaries would still fulfill their existing roles while providing an option to use a CBDC network to transfer the money. The existing validation and verification for the number of transactions, the quantity of money transferred, and all of the checks for criminal activity and assurance for privacy would stay in place.

Figure 1: Theoretical Very Simplified Dual ACH-CBDC Network Concept.
Scenario Step Number Description
Current Process 1

The First End User (Person, Corporation, Institution, a Computer process, etc.) goes into an Existing Intermediary and wants to transfer money to a Second End User.

2

The First Existing Intermediary uses the newly U.S. CBDC Application Programming Interface (API) to start the transaction. The First Existing Intermediary asks if the money is to be transferred immediately requiring U.S. CBDC or if it will just be done using U.S. Dollars.

3

The First End User responds that they will be using U.S. Dollars.

4

A transaction is created that meets the requirements of the ACH is formulated.

5

The ACH Transaction is placed onto the existing ACH Network and routed to the appropriate Second Existing Intermediary.

6

The Second Existing Intermediary receives the transaction and waits for the transaction to settle (usually within 24 hours).

7

The Second Existing Intermediary places the money designated in the transfer transaction to the Second End User's bank account (i.e., debit, credit, checking, savings, Credit Card account, etc.)

8

The Second End User possesses the money.

Scenario Step Number Description
U.S. CBDC Process 1

The First End User (Person, Corporation, Institution, a Computer process, etc.) goes into an Existing Intermediary and wants to transfer money to a Second End User.

2

The First Existing Intermediary uses the newly U.S. CBDC Application Programming Interface (API) to start the transaction. The First Existing Intermediary asks if the money is to be transferred immediately requiring U.S. CBDC or if it will just be done using U.S. Dollars.

3

The First End User responds that they will be using U.S. CBDC.

4

The First Existing Intermediary verifies that the First End User has the correct amount of U.S. CBDC to complete the transaction. If Not, the First End User can convert some existing U.S. Dollars to U.S. CBDC to complete the transaction.

5

A transaction is created that meets the requirements of the U.S. CBDC is formulated.

6

The U.S. CBDC Transaction is placed onto the new U.S. CBDC Network and routed to the appropriate Second Existing Intermediary.

7

The Second Existing Intermediary receives the U.S. CBDC transaction after the transaction is been validated and verified by the U.S. CBDC Consensus Algorithm.

8

The Second End User possesses the money.

Table 2: Various steps in using a simplistic theoretical dual ACH/CBDC network.

Only the CBDC Payment Network

Return to Top

Allowing new or existing Payment Networks to only use the new U.S. CBDC Payment Network is possible. See Figure 2. This allows for new and creative ways of having payment transactions. In this scenario, the new Intermediary would use the same new Application Programming Interface (API) as in the Dual situation, but in this scenario, all the transactions would need to be in U.S. CBDC. This means that any U.S. Dollars would have to be exchanged for U.S. CBDC before the transactions can take place. However, the New Intermediaries might allow accounts to contain U.S. CBDC. In this case, there would be no conversion required.

The same situation occurs on the other end of the payment transaction. The recipient could level all or some of the transactions as U.S. Dollars or U.S. CBDC.

NOTE: These new financial intermediaries would NOT be released from following the existing Laws and Regulations of the traditional financial intermediaries. In other words, they would have to ensure the End User's privacy (both ends of the Payment Transactions. They would also have conform to all the National Security Laws and Regulations. If either End User in the Payment Transaction is not in the U.S., they would have to abide by all the International Laws and Regulations. This would mean these new Intermediaries would be subject to oversight and auditing.
Figure 2: Theoretical Very Simplified single CBDC Network Concept.

Examples

Return to Top

The “desirements” specified in White Paper and identified by the OMG's CBDC WG White Paper Analysis as Privacy Issues are listed in Table 3.

Table 3: Examples of Privacy Desirements identified during the White Paper Analysis conducted by the OMG's CBDC WG
Category Desirements
Benefits B0003, B0004, B0005, B0007, B0008, B0009, B0011, B0012, B0013, B0022, B0024, B0026, B0027, B0037, B0038, B0045, B0046, B0047, B0051
Policies and Considerations P0021, P0023, P0025, P0026, P0028
Risks R0007, R0010, R0014, R0018, R0019, R0020
Design D0012, D0013, D0014, D0015
Note: B = Benefit, P = Policy, R = Requirement, D = Design.

Discussion of Examples

Return to Top

Table 4 provides discussion points for each of the “desirements” identified by the OMG's CBDC WG White Paper Analysis.

Table 4: Privacy references of desirements in the White Paper
Desirement No. Desirement Text Comment
B0003 Complement, rather than replace, current forms of money and methods for providing financial services

The proposed Dual ACH/CBDC networks would do exactly that. The existing Intermediaries would be allowed to expand their services to include U.S. CBDC by basically making it as a consumer choice.

B0004 Protect consumer privacy

The proposed Dual ACH/CBDC networks would still place the burden on protecting the privacy of the End-User on the existing and new intermediaries. The intermediaries would be subject to reviews and audits.

B0005 Protect against criminal activity

The proposed Dual ACH/CBDC networks would still place the burden on protecting the national security on the existing and new intermediaries. The intermediaries would be subject to reviews and audits.

B0007 Provide households and businesses a convenient and electronic form of central bank money with:
1. safety
2. liquidity

In all accounts, U.S. money could be kept as U.S. Dollars or as U.S. CBDC. Since the U.S. CBDC would probably be backed by a U.S. Dollar Stablecoin, there should be no advantage or disadvantage to either. The main difference is the End User's choice to use the real-time CBDC or the existing ACH Network. Note: There may be a cost associated with converting between the two currencies.

B0008 Provide entrepreneurs a platform on which to create new financial products and services

Entrepreneurs would be able to create new Intermediaries that only used the U.S. CBDC Payment Network. This might not require bricks and mortar establishments and might work completely in a virtual environment.

B0009 Provide faster and cheaper payments (including cross-border payments)

If the U.S. CBDC network is selected by the End User, the transactions will most likely be faster, but not necessarily cheaper. There is a cost associated with using the Consensus facilities of the U.S. CBDC as well as the possibility of costs associated with converting U.S. Dollars to U.S. CBDC.

B0011 Make payments:
1. faster
2. cheaper
3. more convenient
4. more accessible

Using the Dual Network, the End User can decide how fast they want the payments to be made. The cost of using a U.S. CBDC is still unknown. There is a cost associated with using the Consensus facilities of the U.S. CBDC as well as the possibility of costs associated with converting U.S. Dollars to U.S. CBDC.

Also see B0008.It is up to the free market and the entrepreneurs to make it more convenient and more accessible.

B0012 Provide payment services to households and businesses around the clock, every day of the year

Currently, most existing Intermediaries offer online banking addressing this already. However, some transactions may require a “person-in-the-middle” to complete. The U.S. CBDC would still require these “person-in-the-middle” for some kinds of transactions.

B0013 Provide immediate access to transferred funds

If an End User chooses to use the U.S. CBDC network, the funds will be available as fast as the U.S. CBDC infrastructure permits. Usually within minutes. See Consensus Algorithms for more information.

B0022 Provide a CBDC that is:

Using the Dual Network Model for payment transfers should fulfill all these desirements.

NOTE: These new financial intermediaries would NOT be released from following the existing Laws and Regulations of the traditional financial intermediaries. In other words, they would have to ensure the End User's privacy (both ends of the Payment Transactions. They would also have conform to all the National Security Laws and Regulations. If either End User in the Payment Transaction is not in the U.S., they would have to abide by all the International Laws and Regulations. This would mean these new Intermediaries would be subject to oversight and auditing.
B0024 Provide transactions finalized and completed in real-time

If the U.S. CBDC Payment network is selected by the End User, the transactions will happen as fast as the U.S. CBDC Infrastructure permits. See Consensus Algorithms for more information.

B0026 Provide a bridge between legacy and new payment services

The Dual ACH Network and U.S. CBDC Networks presented provides a bridge between the two networks. In order to be used effectively, the use of a standardized Application Programmer Interface (API) is also recommended.

Note: The API could be in the form of Web Services, Remote Procedure Calls (RPC), Common Object Request Broker Architecture (CORBA), Data Distribution Service (DDS) or other interprocess communication mechanisms defined using ISO/OMG Interface Definition Language (IDL), standardized Web Services Interface Language (WSDL), etc.
B0027 Maintain the centrality of safe and trusted central bank money

The Dual ACH Network and U.S. CBDC Networks maintain the U.S. Dollar as the legal tender for both payment networks. The ACH Network continues to use the U.S. Dollar as it currently does. The U.S. CBDC would use a U.S. Dollar backed Stablecoin.

B0037 Support private-sector innovation

See B0009 above.

B0038 Allow private-sector innovators to focus on:
1. new access services
2. distribution methods
3. related service offerings

See B0009 above.

B0045 Enable rapid and cost-effective payment of taxes

The Internal Revenue Service (IRS) would be required to support the ACH/CBDC API and Bridge to make this happen. It is beyond the control of the Federal Reserve.

B0046 Enable rapid and cost-effective delivery of:
1. wages,
2. tax refunds
3. other federal payments

This would require the employers, the U.S. Benefits agencies, and the Internal Revenue Service (IRS) to support the ACH/CBDC API and Bridge to make this happen.

B0047 Lower transaction costs

At this point in time, it can only be conjectured that the transaction costs would be less. Often it is assumed that the Privacy and Security laws and regulations can be skipped when using a U.S. CBDC. This will most likely not happen. If the U.S. CBDC uses a Stablecoin, the cost is highly dependent on the Platform chosen. See: Consensus Algorithms

B0051 Generate data about users’ financial transactions similar to the current Commercial Bank1) and Nonbank Money

The Dual ACH/CBDC network model would require all Intermediaries to collect the same kind of data on all transactions providing one degree of freedom between the End Users and the Government.

P0021 The intermediaries would operate in an open market for CBDC services

Currently, the Intermediaries operate in an open market that is confined by the Laws and Regulations of the U.S. and Foreign governments when applicable.

The proposed Dual ACH/CBDC networks would allow the existing Intermediaries to participate in the CBDC services as long as they are compliant with the standardized Application Programmer Interface (API) and Bridge.

The proposed Dual ACH/CBDC networks would also allow new Intermediaries to only offer CBDC services.

P0023 CBDC would need to be readily transferable between customers of different intermediaries

As long as the Intermediaries use the standardized Application Programmer Interface (API) and Bridge, all transfers between Intermediaries is possible.

P0025 CBDC intermediary would need to verify the identity of a person accessing CBDC

See B0022 above.

P0026 CBDC transactions would need to be final and completed in real-time

See B0007 and B0024 above.

P0028 Require significant international coordination to address issues such as:
1. common standards
2. infrastructure,
3. the types of intermediaries able to access any new infrastructure,
4. legal frameworks
5. preventing illicit transactions
6. the cost and timing of implementation

See B0026, P0021, and B0045 above.

R0007 Risk CBDC is difficult to use without service providers

At a minimum, the existing Intermediaries would be able to use most of their existing infrastructure to use the U.S. CBDC. In the Workflow for creating a payment transaction:

1. Need to ask if it is going to use a CBDC transfer.
a. If yes, they need to make sure the End Users account has the correct about of CBDC Stablecoins
i. If not, they need to convert U.S. Dollars to U.S. CBDC Stablecoins
ii. formulate a standardized U.S. CBDC transaction and all the required data
b. If not, do ACH Network business as usual
R0010 CBDC has a Risk of significant energy footprint similar to Cryptocurrencies

This is highly dependent on the DIDO Platform selected for the U.S. CBDC and the Consensus Algorithm selected.

R0011 Increased Risk to consumer's vulnerability to:
1. loss
2. theft
3. fraud

In the Dual ACH/CBDC network the risk should remain the same as it is under just the ACH Network.

R0014 Risk of not achieving an appropriate balance between safeguarding the privacy rights of consumers and affording the transparency necessary to deter criminal activity

Assuming that the current balance is acceptable, using the Dual Network Model for payment transfers would keep in place all existing Privacy and Security Laws and Regulations. The new Intermediaries would have to follow the same rules as the existing Intermediaries.

NOTE: These new financial intermediaries would NOT be released from following the existing Laws and Regulations of the traditional financial intermediaries. In other words, they would have to ensure the End User's privacy (both ends of the Payment Transactions. They would also have conform to all the National Security Laws and Regulations. If either End User in the Payment Transaction is not in the U.S., they would have to abide by all the International Laws and Regulations. This would mean these new Intermediaries would be subject to oversight and auditing.
R0018 Risk a CBDC could fundamentally change the structure of the U.S. financial system, altering the private sector and central bank:
1. roles
2. responsibilities

The Dual ACH/CBDC Network models should extend the current structure of the U.S. financial system and provide more potential Intermediaries. The more Intermediaries, the more robust the system should become.

R0019 Risk of reducing the aggregate amount of deposits in the banking system, which could in turn increase bank funding expenses, and reduce credit availability or raise credit costs for households and businesses.

In the Dual ACH/CBDC Network model, U.S. Dollars in accounts or U.S. CBDC would still be treated as transfers. See the answer to Question: 13. How could a CBDC be designed to foster operational and cyber resiliency? What operational or cyber risks might be unavoidable?.

R0020 Risk that interest-bearing CBDC could result in a shift away from other low-risk assets, such as shares in money market mutual funds, Treasury bills, and other short-term instruments.

Using the Dual ACH/CBDC Transaction Network, the U.S. CBDC should be treated exactly the same way as U.S. Dollars. The Intermediary accounts would have to segment the accounts into those that contain U.S. Dollars and those that contain U.S. CBDC if the End User wants to avail themselves of the new U.S. CBDC network.

D0012 Design should address privacy concerns by leveraging existing tools already in use by intermediaries

See B0004, B0024, B0047, and R0014 above.

D0013 Design should facilitate compliance with a robust set of rules already intended to combat
1. money laundering
2. the financing of terrorism
3. customer due diligence
4. record-keeping
5. reporting requirements

See B0005 and R0011 above.

D0014 Design should involve private-sector partners with established programs to help ensure compliance with existing rules

The proposed Dual ACH/CBDC networks would do exactly that. The existing Intermediaries would be allowed to expand their services to include U.S. CBDC by basically making it a consumer choice.

The proposed Dual ACH/CBDC networks would still place the burden on protecting the privacy of the End-User on the existing and new intermediaries. The intermediaries would be subject to reviews and audits.

The proposed Dual ACH/CBDC networks would still place the burden on protecting the national security on the existing and new intermediaries. The intermediaries would be subject to reviews and audits.

D0015 Design should include any dedicated infrastructure required to provide resilience to threats such as operational disruptions and cybersecurity risks

The Dual ACH/CBDC Networks would require the new infrastructure for the Application Programmer Interface (API), the bridges, and the building out of a Distributed Network of Nodes to handle the CBDC transactions and Consensus. The network of nodes might have any number of node types. Figure 3 describes the taxonomy of DIDO Node Types. See OMG DID-RA Node Taxonomy for a discussion on the different kinds of nodes.

B = Benefit Considerations
P = Policy Considerations
R = Risk Considerations
D = Design Considerations
Figure 3: DIDO Node Taxonomy: Node Types
1)
Commercial banks include banks licensed either by federal or state banking agencies, credit unions, and thrifts from the White Paper.
cbdc/public/cbdc_omg/04_doc/15_common/70_dualnets/start.txt · Last modified: 2022/06/17 18:20 by terrance
Translations of this page: