Crypto basics

Stablecoins: USDT, USDC and Key Risks

Learn how stablecoins seek price stability and evaluate issuer, reserve, redemption, depeg, network and custody risks before using them.

The core idea

Stablecoins aim to track a reference value, often the US dollar. They can be backed by issuer-held reserves, crypto collateral or algorithmic mechanisms. A stable quoted price reduces ordinary market volatility but does not remove issuer, reserve, redemption, network or custody risk.

  • A one-dollar market price is not proof that reserves are sufficient or immediately redeemable.
  • Reserve attestations and audits answer different questions.
  • Issuers may freeze addresses or block redemptions under their terms and legal obligations.
  • A bridged version can add bridge risk beyond the issuer and base token.

How it works in practice

Fiat-backed stablecoins rely on an issuer that manages reserves and redemption rules. Crypto-collateralized designs use on-chain assets and liquidation mechanisms. Tokens may exist on several networks, and each version depends on the correct contract, bridge or issuer support.

Practical checklist

  • Verify the issuer and exact contract on the selected network.
  • Read reserve composition and redemption eligibility.
  • Check whether your exchange supports deposits and withdrawals on that network.
  • Avoid treating a stablecoin balance as insured bank cash unless the legal structure explicitly provides that protection.
  • Diversify operational exposure when a large balance is necessary.

Limits and risks

Stablecoins can depeg during liquidity stress, reserve concerns or technical failures. Redemption may be limited by location, minimum size or account status. Holding through an exchange adds exchange risk, while self-custody adds key and network risk. Stability is an objective, not an unconditional guarantee.

Sources and further reading

Use primary documentation where possible and compare claims across independent sources.

Frequently asked questions

Why can a stablecoin trade below one dollar?

Selling pressure, weak liquidity, reserve concerns or redemption friction can cause the market price to deviate from the reference value.

Are stablecoins insured deposits?

Generally not. Legal protections depend on the issuer, product and jurisdiction.

Can stablecoin transactions be frozen?

Some issuers have administrative controls that can freeze or block addresses according to their terms and legal obligations.