Blog / Market & On-Chain Guides

Stablecoin Architectures Compared: A Practical Guide

A clear, data-driven guide to stablecoin architectures compared.

Fiat-backed

USDT and USDC hold cash, Treasury bills and repo. Tether, launched in 2014, exceeded $140 billion in supply by early 2025; Circle publishes monthly attestations. Risks are custodial, banking and regulatory.

Crypto-collateralized CDPs

Dai and LUSD are minted against over-collateralized crypto. Liquity's LUSD requires 110 percent minimum collateral and no governance; Maker uses variable stability fees and real-world assets.

Delta-neutral synthetic dollars

Ethena's USDe pairs spot ETH or BTC with short perps. It earns funding plus staking yield but faces negative funding and exchange risk.

Algorithmic

Pure algorithmic designs such as UST had no external collateral and collapsed in May 2022, showing reflexive pegs fail under stress.

Comparing yield

A holder of sDAI or sUSDS earns a savings rate, while fiat-backed issuers keep T-bill yield. Compare each to the 3-month T-bill after counterparty risk.

By the numbers

For Stablecoin Architectures Compared, the reference figures are topic of Stablecoin Architectures Compared, level of Intermediate, updated of 2026. The comparison table below lines up type, example, collateral, main risk — Fiat-backed: USDC, USDT / Cash, T-bills / Custodian; CDP: DAI, LUSD / Crypto / Liquidation; Delta-neutral: USDe / Spot + short perp / Funding; Algorithmic: UST (failed) / None / Death spiral.

Modeling Stablecoin Architectures Compared with the CDP Stablecoin Mint Collateral Calculator

The CDP Stablecoin Mint Collateral Calculator takes three inputs — Collateral ($), Min collateral ratio (%), Safety buffer (%). Mintable = collateral ÷ (min ratio + buffer). With its default inputs (Collateral ($) = 10000; Min collateral ratio (%) = 150; Safety buffer (%) = 20) it returns 5,882.35 $; swap in the figures from Stablecoin Architectures Compared above to reproduce the scenario yourself.

Modeling Stablecoin Architectures Compared with the Stablecoin Yield Vs Tbill Comparator

The Stablecoin Yield Vs Tbill Comparator takes three inputs — Principal ($), Stablecoin APY (%), T-bill yield (%). Annual edge = principal × (APY − T-bill). With its default inputs (Principal ($) = 10000; Stablecoin APY (%) = 8; T-bill yield (%) = 4.5) it returns 350 $; swap in the figures from Stablecoin Architectures Compared above to reproduce the scenario yourself.

Data Table

For educational and informational purposes only. Not financial, investment, tax or legal advice. Figures are approximate and historical; crypto assets are volatile and you may lose capital. Do your own research.