Stablecoins are cryptocurrencies designed to hold a steady value, usually pegged to a stable asset like the US dollar. They combine the speed and programmability of crypto with the price stability of fiat, which is why they have become the settlement layer of digital finance.
The main types of stablecoins
- Fiat-backed: each token is backed by cash and short-term reserves held by an issuer (the most common model).
- Crypto-collateralized: backed by an over-collateralized basket of crypto assets managed by smart contracts.
- Algorithmic: use supply mechanisms to target a peg — historically the riskiest category.
How stablecoins stay pegged
Fiat-backed coins hold reserves and allow authorised parties to mint and redeem at par, which keeps the market price near the peg through arbitrage. Transparency of reserves — ideally with regular attestations — is the single most important trust signal.
What stablecoins are used for
Cross-border payments, trading and settlement, on-chain savings, and as the cash leg for tokenized assets. For institutions they offer near-instant, low-cost settlement compared with traditional rails.
Stablecoins vs CBDCs
Stablecoins are issued by private companies; central bank digital currencies (CBDCs) are issued by governments. Both aim for stable digital money, but differ in control, privacy and monetary policy implications.
Risks to understand
Reserve quality and transparency, issuer solvency, regulatory status, and de-peg events are the main risks. Prefer well-audited issuers with clear, regularly attested reserves.
Frequently asked questions
Are stablecoins safe?
They are generally lower-volatility than other crypto, but not risk-free — safety depends on the issuer, reserves and regulation.
Where can I follow stablecoin news?
See our Stablecoins & CBDCs coverage and regulation section.
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