AUSG — Tokenised Australian Government Bonds

Version 1.0 — March 2026
Issuer: Blueberry Money Pty Ltd (ACN 691391214 | ABN 34691391214)


Overview

AUSG is a tokenised Australian Government Bond product deployed on Ethereum mainnet and Base L2 (Coinbase). Each AUSG token represents ownership in a pool of Australian Government Securities — specifically Treasury Notes (T-Notes), short-dated government debt maturing in approximately 3 months.

AUSG earns yield from T-Notes at approximately 4% per annum, tracking the RBA cash rate. Yield accrues daily into the token's Net Asset Value (NAV), which is updated on-chain. Investors can mint AUSG by depositing AUD and redeem back to AUD with daily liquidity.

AUSG is an ERC-20 token with on-chain KYC enforcement — only wallets that have completed identity verification can hold or receive AUSG. This is enforced at the smart contract level via the WhitelistRegistry.


Key Properties

Property Value
Token Name AUSG
Symbol AUSG
Standard ERC-20
Decimals 6
Pricing NAV-based (fluctuates with yield accrual)
Yield ~4% pa (tracks RBA cash rate)
Underlying Asset Australian Government Treasury Notes
KYC Enforcement On-chain (WhitelistRegistry)
Chains Ethereum mainnet, Base L2
Issuer Blueberry Money Pty Ltd
Regulatory Status Wholesale Managed Investment Scheme (unregistered MIS)

Smart Contracts

All contracts are verified and source code is publicly readable on block explorers.

Ethereum Mainnet

Contract Address
AUSG 0x48c0d77dfEb04Ef049Def2b2CBC47e79c765690f
WhitelistRegistry 0xD30BE210edDF95Ff680F367AA50F35fE0162A44e

Base L2 (Coinbase)

Contract Address
AUSG 0x53f4fDE07907bef9db990B850d10C9074805B58F
WhitelistRegistry 0xA998Da47a7754ae87e44Be9FE2cfcEAe1076Dd66

How It Works

NAV and Yield

AUSG uses a Net Asset Value (NAV) model. The NAV per token starts at $1.000000 and increases daily as the underlying T-Notes earn interest. For example, at 4.1% annual yield, the daily NAV increase is approximately $0.000112 per token.

NAV is updated on-chain by the operator based on custodian reports. Both the current NAV per token and the total reserve value are recorded in the smart contract for transparency.

On-Chain Data Description
navPerToken Current NAV in 6-decimal fixed point (1000000 = $1.00)
totalReserveValue Total T-Note portfolio value in USD
lastNavUpdate Timestamp of the most recent NAV update

Minting

  1. Investor qualifies as a wholesale client under Australian law
  2. Investor completes KYC identity verification
  3. Investor's wallet address is added to the on-chain WhitelistRegistry
  4. Investor transfers AUD to the fund's designated account
  5. Operator mints AUSG tokens proportional to the current NAV
  6. AUSG appears in the investor's wallet

Redemption

  1. Investor requests redemption through the platform
  2. AUSG tokens are burned at the current NAV
  3. Equivalent AUD (quantity × NAV per token) is transferred to the investor's bank account
  4. Redemptions settle next business day

Transfer Restrictions

Every AUSG transfer is checked against the WhitelistRegistry smart contract. If the recipient wallet is not KYC-verified, the transfer is rejected on-chain — the transaction reverts and no tokens move. This cannot be bypassed.


Architecture

Investor (KYC verified, wholesale qualified)
        |
        v
WhitelistRegistry (on-chain KYC check)
        |
        v
AUSG Token (ERC-20, decimals=6)
    |           |
    v           v
Ethereum     Base L2
mainnet      (Coinbase)
    |
    v
NAV Oracle (operator updates from custodian data)
    |
    v
Australian Government T-Notes (held in custody)

Smart Contract Design

Feature Description
Minter Role Only authorised operators can mint new AUSG (backed by AUD deposits)
NAV Updater Role Separate role for updating NAV (operator with custodian data access)
Whitelist Enforcement All transfers require both sender and recipient to be KYC-verified
Pausable Emergency stop capability for the contract owner
Redemption Queue Burns tokens immediately, AUD payout queued for next business day
On-Chain Transparency NAV, reserve value, and last update timestamp are publicly readable

Non-Custodial

The platform does not hold investor private keys. Investors manage their own wallets (hardware wallets recommended). The platform can mint and burn tokens but cannot move tokens from investor wallets without their signature.


Reserve Management

AUSG is backed by a pool of Australian Government Securities — the safest fixed-income asset available in Australia. The fund holds Treasury Notes (T-Notes) maturing in approximately 3 months, rolled at maturity.

Metric Source
Total Supply On-chain (totalSupply() function)
NAV per Token On-chain (navPerToken() function)
Total Reserve Value On-chain (totalReserveValue() function)
Last NAV Update On-chain (lastNavUpdate() function)
Custodian Report Published periodically by the issuer

AUSG vs AUDY

AUSG is not a stablecoin. Unlike AUDY (pegged 1:1 to AUD), AUSG's value fluctuates with the yield from government bonds. NAV typically increases daily but may decrease slightly if interest rates rise unexpectedly.

Property AUDY AUSG
Type Stablecoin Yield-bearing token
Price Fixed at $1.00 AUD NAV-based (increases with yield)
Yield None ~4% pa (from T-Notes)
Backing AUD reserves Australian Government Securities
Decimals 2 6
Use Case Payments, settlement Yield on idle AUD

AUDY and AUSG are designed to work together:


Regulatory Framework

AUSG is structured as a wholesale Managed Investment Scheme (MIS) under Australian law. When investor funds are pooled and invested in securities, the arrangement constitutes a MIS under the Corporations Act 2001.

Launch Structure

AUSG launches as an unregistered MIS, which does not require ASIC registration provided all members are wholesale clients. An unregistered MIS with fewer than 20 members raising under $2M also qualifies.

Wholesale Investor Qualification

Under Australian law, a wholesale client is defined as:

Legal Structure

Blueberry Money = Investment Manager
        |
        v
Unit Trust = The Fund (unregistered MIS)
        |
        v
Responsible Entity (RE) = holds AFSL, legally responsible
        |
        v
Custodian = holds T-Notes in segregated custody

Compliance

Blueberry Money Pty Ltd is registered with AUSTRAC as a Digital Currency Exchange (DCE) provider under . The platform maintains:


Risk Factors

Risk Detail
NAV Fluctuation NAV may decrease slightly if the RBA raises rates unexpectedly. Normal fluctuation: 0.1–0.5%. Stress scenario: 1–2%. Yield compensates for this risk.
Not a Deposit AUSG is not a bank deposit and is not covered by the Australian Government's Financial Claims Scheme.
Smart Contract Risk Contracts use battle-tested OpenZeppelin libraries. A formal audit is planned when AUM exceeds $1M.
Liquidity Risk Redemptions may take up to one business day to settle. Large redemptions may require T-Note liquidation.
Regulatory Risk Regulatory requirements may change. The product is structured with proactive legal guidance.

Links

Resource URL
Website https://blueberry.money
AUSG on Etherscan Etherscan
AUSG on Basescan Basescan
AUDY Whitepaper AUDY Stablecoin

This document is for informational purposes only and does not constitute financial advice, an offer of securities, or a Product Disclosure Statement. AUSG is offered exclusively to wholesale clients as defined under the Corporations Act 2001 (Cth). AUSG is not a deposit product and is not covered by the Australian Government's Financial Claims Scheme. The value of AUSG may go down as well as up. Past performance is not indicative of future results.