{
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  "id": "stablecoin-yield-sources",
  "canonical": "https://degreesofsatoshi.com/encyclopedia/stablecoin-yield-sources/",
  "collection": "stablecoins",
  "title": "Where does stablecoin yield come from?",
  "description": "Separate a stablecoin from the lending, savings or trading product around it. Trace yield to borrowers, reserve income, derivatives or subsidies.",
  "aliases": [
    "stablecoin returns"
  ],
  "dates": {
    "published": "2026-10-02",
    "modified": "2026-10-02",
    "verified": "2026-10-02T18:26:58.075Z",
    "dataAsOf": "2026-10-02"
  },
  "authorship": {
    "publisher": "Degrees of Satoshi editorial project",
    "process": "AI-assisted research and drafting with a separate automated source-verification pass; no external expert or named human review is implied."
  },
  "quickAnswer": {
    "text": "Stablecoin yield comes from an additional economic activity or distribution rule: borrower interest, reserve income, trading revenue, derivatives funding or incentives. The base token may pay nothing. To explain a quoted return, identify the payer, product, fees, variable rate and the risks taken to earn it.",
    "claimId": "stablecoin-yield-sources-quick-answer",
    "sourceIds": [
      "circle-terms",
      "sky-susds",
      "ethena-overview",
      "ethena-funding"
    ]
  },
  "keyFacts": [
    {
      "label": "Base token",
      "value": "USDC itself gives holders no entitlement to reserve interest under its terms.",
      "sourceIds": [
        "circle-terms"
      ],
      "id": "base-token",
      "claimId": "stablecoin-yield-sources-fact-base-token"
    },
    {
      "label": "Savings wrapper",
      "value": "sUSDS represents a separate savings implementation for USDS.",
      "sourceIds": [
        "sky-susds"
      ],
      "id": "savings-wrapper",
      "claimId": "stablecoin-yield-sources-fact-savings-wrapper"
    },
    {
      "label": "Variable income",
      "value": "Derivatives funding can become a cost rather than revenue.",
      "sourceIds": [
        "ethena-funding"
      ],
      "id": "variable-income",
      "claimId": "stablecoin-yield-sources-fact-variable-income"
    }
  ],
  "prerequisites": [
    "what-is-a-stablecoin",
    "synthetic-dollars"
  ],
  "sections": [
    {
      "id": "follow-the-payer",
      "heading": "Start with the activity that produces the return",
      "sourceIds": [
        "ethena-overview",
        "ethena-funding",
        "sky-collateral"
      ],
      "paragraphs": [
        "If a borrower pays interest, the provider earns income for supplying capital and taking the arrangement’s credit and liquidation exposure. If a reserve holds securities, its income comes from those securities. A derivatives strategy can earn funding or basis income. Promotional tokens are another category: they are a subsidy or reward, not automatically earned cash revenue.",
        "An advertised total can blend several sources. Separate the underlying-asset return from bonus tokens, points and temporary rewards. Their valuation and duration differ. A token price rising after distribution does not prove the operating strategy generated that gain."
      ]
    },
    {
      "id": "product-boundary",
      "heading": "The wrapper changes what the holder owns",
      "sourceIds": [
        "circle-terms",
        "sky-susds"
      ],
      "paragraphs": [
        "Plain USDC and USDC deposited into a lending product are different positions. One is a token; the other also carries the product’s rules and dependencies. Likewise, USDS and sUSDS are not identical balances. Sky documents sUSDS as an ERC-4626 savings vault in which shares represent underlying USDS.",
        "In an illustrative savings vault, 100 shares at 1.00 underlying unit per share represent 100 units. If the conversion rate becomes 1.05, the same 100 shares represent 105 units before any relevant costs or restrictions. A flat share count can therefore coexist with growth in the underlying amount."
      ]
    },
    {
      "id": "rate-and-exit",
      "heading": "Put the rate beside its payer, period and exit conditions",
      "sourceIds": [
        "edition-aave-reserve",
        "edition-ethena-staking",
        "edition-eip4626"
      ],
      "paragraphs": [
        "An attractive annualized rate is incomplete without the activity that funds it, the asset in which it accrues and the costs of entering and exiting. Lending interest can change with utilization; incentive distributions can change; staking shares can have withdrawal conditions.",
        "For an illustrative 100-unit position earning two units, a five-unit principal loss leaves 97 units before other costs. Gross rewards and net outcome answer different questions. A higher share conversion measured in a stablecoin also does not guarantee a fixed value in dollars."
      ]
    }
  ],
  "faq": [
    {
      "question": "Does the stablecoin issuer’s reserve income automatically flow to me?",
      "answer": "No. The distribution depends on the token’s terms. USDC terms do not give ordinary holders the reserve interest.",
      "sourceIds": [
        "circle-terms"
      ]
    },
    {
      "question": "Can a hedged strategy lose money?",
      "answer": "Yes. Funding costs, execution and counterparty or custody failures can affect it despite reduced directional exposure.",
      "sourceIds": [
        "ethena-funding",
        "ethena-risks"
      ]
    }
  ],
  "claims": [
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      "id": "stablecoin-yield-sources-quick-answer",
      "articleSlug": "stablecoin-yield-sources",
      "statement": "Stablecoin yield comes from an additional economic activity or distribution rule: borrower interest, reserve income, trading revenue, derivatives funding or incentives. The base token may pay nothing. To explain a quoted return, identify the payer, product, fees, variable rate and the risks taken to earn it.",
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      "sourceLocators": [
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          "locator": "Sections 1–4 and 13–16"
        },
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          "locator": "Ethena Overview"
        },
        {
          "sourceId": "source-d76fdb05e65ebdf3",
          "locator": "Funding Risk"
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      ],
      "scope": {
        "collection": "stablecoins",
        "dataAsOf": "2026-10-02",
        "blockHeight": null
      },
      "qualification": "",
      "evidenceStatus": "documented",
      "verification": {
        "status": "verified",
        "method": "independent automated source review",
        "checkedAt": "2026-10-02T18:26:58.075Z",
        "reviewer": "Codex independent automated reviewer /root/verify_bitcoin_stablecoins_100",
        "notes": [
          "Independently reopened Aave V3 reserve docs; utilization-dependent interest is supported by the described interest model. Reused this reviewer’s timestamped Ethena staking and ERC-4626 retrievals for share/exit boundaries.",
          "Recomputed 100 + 2 - 5 = 97 units. Gross reward, net token outcome and dollar-denominated result are separated, with no current or guaranteed yield claim."
        ]
      }
    },
    {
      "id": "stablecoin-yield-sources-fact-base-token",
      "articleSlug": "stablecoin-yield-sources",
      "statement": "Base token: USDC itself gives holders no entitlement to reserve interest under its terms.",
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        "source-3f274c8c1e62ebb9"
      ],
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          "sourceId": "source-3f274c8c1e62ebb9",
          "locator": "Sections 1–4 and 13–16"
        }
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      "scope": {
        "collection": "stablecoins",
        "dataAsOf": "2026-10-02",
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      "evidenceStatus": "documented",
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        "notes": [
          "Independently reopened Aave V3 reserve docs; utilization-dependent interest is supported by the described interest model. Reused this reviewer’s timestamped Ethena staking and ERC-4626 retrievals for share/exit boundaries.",
          "Recomputed 100 + 2 - 5 = 97 units. Gross reward, net token outcome and dollar-denominated result are separated, with no current or guaranteed yield claim."
        ]
      }
    },
    {
      "id": "stablecoin-yield-sources-fact-savings-wrapper",
      "articleSlug": "stablecoin-yield-sources",
      "statement": "Savings wrapper: sUSDS represents a separate savings implementation for USDS.",
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        "source-99c494fb0f9d448b"
      ],
      "sourceLocators": [
        {
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      "scope": {
        "collection": "stablecoins",
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      "evidenceStatus": "documented",
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        "checkedAt": "2026-10-02T18:26:58.075Z",
        "reviewer": "Codex independent automated reviewer /root/verify_bitcoin_stablecoins_100",
        "notes": [
          "Independently reopened Aave V3 reserve docs; utilization-dependent interest is supported by the described interest model. Reused this reviewer’s timestamped Ethena staking and ERC-4626 retrievals for share/exit boundaries.",
          "Recomputed 100 + 2 - 5 = 97 units. Gross reward, net token outcome and dollar-denominated result are separated, with no current or guaranteed yield claim."
        ]
      }
    },
    {
      "id": "stablecoin-yield-sources-fact-variable-income",
      "articleSlug": "stablecoin-yield-sources",
      "statement": "Variable income: Derivatives funding can become a cost rather than revenue.",
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        "notes": [
          "Independently reopened Aave V3 reserve docs; utilization-dependent interest is supported by the described interest model. Reused this reviewer’s timestamped Ethena staking and ERC-4626 retrievals for share/exit boundaries.",
          "Recomputed 100 + 2 - 5 = 97 units. Gross reward, net token outcome and dollar-denominated result are separated, with no current or guaranteed yield claim."
        ]
      }
    }
  ],
  "sources": [
    {
      "id": "circle-terms",
      "label": "USDC Terms",
      "publisher": "Circle",
      "url": "https://www.circle.com/legal/usdc-terms",
      "note": "USDC backing, conditional redemption, price fluctuations, no intrinsic interest, freezes, fees and eligibility.",
      "checkedAt": "2026-10-02T14:38:29.678281+00:00",
      "locator": "Sections 1–4 and 13–16",
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      "recordId": "source-3f274c8c1e62ebb9",
      "contentSha256": null
    },
    {
      "id": "sky-susds",
      "label": "sUSDS: Savings USDS",
      "publisher": "Sky Protocol",
      "url": "https://developers.skyeco.com/protocol/tokens/susds/",
      "note": "ERC-4626 savings wrapper distinct from USDS.",
      "checkedAt": "2026-10-02T14:38:42.003903+00:00",
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    {
      "id": "ethena-overview",
      "label": "Ethena Overview",
      "publisher": "Ethena",
      "url": "https://docs.ethena.fi/",
      "note": "USDe hedge mechanism and sUSDe separation.",
      "checkedAt": "2026-10-02T14:38:45.120498+00:00",
      "locator": "Ethena Overview",
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      "id": "ethena-funding",
      "label": "Funding Risk",
      "publisher": "Ethena",
      "url": "https://docs.ethena.fi/protocol-overview/risks/funding-risk",
      "note": "Positive and negative derivatives funding, reserve buffer, no guaranteed yield.",
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    {
      "id": "sky-collateral",
      "label": "What is USDS?",
      "publisher": "Sky.money / Skybase International",
      "url": "https://sky.money/blog/what-is-usds",
      "note": "Dated 2026-06-12 description of diversified collateral and separate savings product; marketing assertions not independently audited.",
      "checkedAt": "2026-10-02T14:38:42.654541+00:00",
      "locator": "How USDS holds its peg; Protocol Collateral; Does USDS generate yield?",
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      "label": "Risks",
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      "checkedAt": "2026-10-02T14:38:45.233692+00:00",
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      "label": "Reserve",
      "publisher": "Aave",
      "url": "https://www.aave.com/docs/aave-v3/concepts/reserve",
      "locator": "Key Reserve Parameters; Dynamic Parameters and Governance",
      "note": "Reserve LTV, liquidation threshold, borrow availability, caps and rate parameters.",
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      "url": "https://docs.ethena.fi/technical-design/staking-usde",
      "locator": "Staked USDe; Rewards; Unstaking",
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      "id": "edition-eip4626",
      "label": "Tokenized Vaults",
      "publisher": "Ethereum Improvement Proposals",
      "url": "https://eips.ethereum.org/EIPS/eip-4626",
      "locator": "Specification; Security Considerations",
      "note": "Assets, shares, deposits, withdrawals, limits and preview rounding.",
      "version": "EIP/ERC-4626; retrieved document hash recorded",
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  "related": {
    "articles": [
      "synthetic-dollars",
      "dai-and-usds",
      "tokenized-money-market-funds",
      "cash-backed-stablecoins",
      "what-is-susde",
      "what-is-susds"
    ],
    "dossiers": [],
    "wallets": []
  },
  "revisionHistory": [
    {
      "date": "2026-10-02",
      "kind": "published",
      "summary": "First publication after primary-source research and independent automated verification."
    },
    {
      "date": "2026-10-02",
      "kind": "substantive-edit",
      "summary": "Expanded explanation: Put the rate beside its payer, period and exit conditions. Worked examples are illustrative; source checks and independent verification are recorded separately."
    }
  ],
  "citation": "Degrees of Satoshi editorial project. “Where does stablecoin yield come from?.” Published 2026-10-02; updated 2026-10-02. https://degreesofsatoshi.com/encyclopedia/stablecoin-yield-sources/"
}