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How stablecoins work: backing, redemption, depegging and AU/EU rules

By Nerd Mango Editorial Desk

Published Aug 8, 2026· Last verified Aug 5, 2026
5 min read

Web3 information notice

This content explains technology, products and third-party services for informational purposes. It is not financial or investment advice.

Direct answer and scope

A stablecoin is a crypto-asset designed to track a reference value, but the target price is not a guarantee.

Judge it as a system of issuance, backing or collateral, redemption, market trading, custody, technology and governance rather than as digital cash with one fixed risk.

The principal limitation is that Nerd Mango did not verify any issuer's reserves, solvency, redemption performance, legal status or tax treatment.

Mental model: two prices and several promises

The reference value is the price the design aims to track, such as one Australian dollar, one US dollar or a basket of assets.

The market price is what buyers and sellers agree on at an exchange or protocol.

The redemption value is what an eligible holder can claim from an issuer or mechanism under stated terms.

A peg can appear stable in market trading while direct redemption is restricted, delayed or unavailable to a particular holder.

Backing or collateral absorbs losses only to the extent that it exists, remains accessible and can be liquidated under stress.

Custody and network choices add operational risks that are separate from the issuer's reserve promise.

Three common design families

Fiat- or asset-backed stablecoins depend on an issuer and identified reserve assets.

Their main questions are reserve quality, valuation, custody, liabilities, redemption rights and issuer governance.

Crypto-collateralised designs depend on on-chain collateral, valuation oracles and liquidation rules.

Their stability can fail if collateral falls too quickly, price feeds fail, liquidation capacity disappears or governance changes the rules.

Algorithmic designs rely more heavily on incentives and supply mechanisms than on high-quality liquid reserves.

The RBA describes algorithmic stablecoins as especially vulnerable when confidence in the related mechanism or asset collapses.

Backing, attestation and audit

A useful reserve report identifies assets, valuation date, custodians, liabilities, reporting entity and frequency.

An attestation provides assurance over the exact subject matter, criteria and stated date or period described by the engagement; it is not automatically a full financial-statement audit.

Read the exact scope, date, reporting entity, criteria, exclusions and practitioner conclusion instead of relying on the word attestation or audit.

Neither report label alone proves that every holder can redeem at par on demand.

Redemption, depegging, yield and custody

Issuer redemption and exchange trading are different mechanisms with different access rules.

Check who may redeem, minimum amounts, identity checks, fees, timing, suspension rights and the legal claim against the issuer or reserves.

The FSB recommends robust legal claims, clear redemption rights, effective stabilisation and timely redemption for global stablecoin arrangements.

A depeg can follow reserve losses, blocked redemption, disappearing liquidity, custodian failure, smart-contract or bridge compromise, or loss of confidence.

A quoted exchange price does not prove that issuer redemption remains available.

Stablecoin yield normally adds a lending, investment, protocol or counterparty exposure beyond the token's peg mechanism.

Holding through an exchange, custodian, wallet or DeFi protocol adds intermediary, key-management or smart-contract risk.

Australia module

Australian treatment depends on the rights and arrangement of the particular product; the label stablecoin does not settle its legal classification.

ASIC's updated class no-action position for eligible digital-asset businesses uses 30 September 2026 for specified transition wording and is subject to the eligibility, scope and conditions in the updated letter.

ASIC's class no-action letter dated 25 June 2026 superseded the 29 October 2025 letter.

ASIC describes the no-action position as a policy or enforcement position rather than a legal opinion and says it may be revised or withdrawn.

Check the current ASIC document, product rights, issuer, services, licensing status and any later legislation before relying on this module.

Nerd Mango does not determine whether a token, issuer or business qualifies for the no-action position.

European Union module

MiCA establishes separate rules for asset-referenced tokens and e-money tokens in the European Union.

MiCA gives holders of asset-referenced tokens a redemption right and requires detailed redemption policies and procedures.

Check the token category, issuer authorisation, white paper, reserve and redemption terms, and current supervisory status before drawing a compliance conclusion.

This module explains the framework and does not decide the status of a named token or service.

Nine-step verification worksheet

  1. Identify the issuer, legal entity and jurisdiction.
  2. Identify the design family, reference value, contract address and supported network.
  3. Read issuance, redemption, fee, suspension and insolvency terms.
  4. Inspect reserve or collateral reports and record their date, scope, assets, liabilities, custodians and assurance provider.
  5. Map every exchange, custodian, wallet, bridge, oracle and smart contract between the holder and redemption.
  6. Verify the current regulator and supervisory records for the intended market.
  7. Treat advertised yield as a separate exposure and identify who pays it and what can be lost.
  8. Plan for exchange suspension, chain outage, depeg and failed redemption without assuming funds can be recovered immediately.
  9. Stop before buying, recommending or publishing a safety claim if reserves, redemption rights, token identity or local legal status remain unclear.

Limitations and escalation

This article is general technical and regulatory information, not legal, tax, accounting or financial advice.

No stablecoin is described as solvent, safe, insured, equivalent to a bank deposit or suitable for a reader.

Use a qualified Australian or EU specialist if a real decision turns on token classification, licensing, reserve assurance, insolvency rights, tax or accounting treatment.

US, UK, Canada and New Zealand regulatory modules remain outside this revision.

Before publication, obtain Australian/EU legal review, accounting or assurance review, and financial-risk review of this article and its evidence mappings.

Sources

  • General information: Nerd Mango provides general informational content. It is not legal, financial, medical, investment or other professional advice.
  • Regional notice: Availability, rules and features may differ by country or region. This page reflects the markets and sources listed in its Evidence Passport.
  • AI assistance: AI tools assisted research and drafting. Every article is edited and approved by a real human editor; AI is never the accountable author and never publishes autonomously.