Explainer. A stablecoin aims to track a reference value, often a traditional currency. That aim is not the same thing as a guarantee.
Ethereum’s introduction describes different approaches: reserves backing a token, crypto collateral, and mechanisms that use algorithms. For fiat-backed coins, the issuer and its reserves are part of the system you are relying on.
Read past the peg
The Bank of England’s work on systemic sterling stablecoins focuses on backing assets, redemption and operational resilience. Its framework concerns a specific UK category; it is not a blanket endorsement of every stablecoin.
That distinction gives us a useful reading checklist: what backs the token, who holds those assets, who can redeem it, and under what terms? A familiar currency symbol is not an answer.
Our take: compare the mechanism with the promise. A token designed to stay near a reference value can still expose its holder to issuer, reserve or operational risks. This explains the moving parts; it does not recommend buying a token or treating crypto holdings as a bank deposit.