{
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  "id": "bad-debt-socialization",
  "canonical": "https://degreesofsatoshi.com/encyclopedia/bad-debt-socialization/",
  "collection": "defi",
  "title": "Bad debt socialization: how a lending loss reaches suppliers",
  "description": "Understand how unrecoverable lending losses can reduce depositor claims, including the timing of recognition.",
  "aliases": [
    "DeFi bad debt lenders loss",
    "how lending losses reduce vault shares"
  ],
  "dates": {
    "published": "2026-10-02",
    "modified": "2026-10-02",
    "verified": "2026-10-02T19:18:00.092Z",
    "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": "Bad debt is borrowing that cannot be recovered from repayment or available collateral. Socialization allocates that shortfall across a defined set of participants. Morpho Vault V2 documents a share-price mechanism: when an adapter reports lower asset value and the vault recognizes it, the same shares can represent fewer assets.",
    "claimId": "bad-debt-socialization-quick-answer",
    "sourceIds": [
      "x425-defi-morpho-loss",
      "x425-defi-morpho-risk"
    ]
  },
  "keyFacts": [
    {
      "label": "Recognition",
      "value": "A loss can exist before it is reflected in a particular accounting view.",
      "sourceIds": [
        "x425-defi-morpho-loss"
      ],
      "id": "recognition",
      "claimId": "bad-debt-socialization-fact-recognition"
    },
    {
      "label": "Share value",
      "value": "Lower total assets can reduce assets redeemable per share.",
      "sourceIds": [
        "x425-defi-morpho-loss"
      ],
      "id": "share-value",
      "claimId": "bad-debt-socialization-fact-share-value"
    },
    {
      "label": "Version caveat",
      "value": "The cited V2 guide identifies a V1.1 adapter loss-reporting limitation.",
      "sourceIds": [
        "x425-defi-morpho-loss"
      ],
      "id": "version-caveat",
      "claimId": "bad-debt-socialization-fact-version-caveat"
    }
  ],
  "prerequisites": [
    "lending-liquidity-vs-solvency"
  ],
  "sections": [
    {
      "id": "example",
      "heading": "An unchanged share count can hold less value",
      "sourceIds": [
        "x425-defi-morpho-loss"
      ],
      "paragraphs": [
        "Imagine a simplified vault with 1,000 assets and 1,000 shares. A recognized loss of 100, with no deposits, fees or other changes, leaves 900 assets. Ignoring virtual-share and rounding adjustments, 100 shares now correspond to 90 assets rather than 100.",
        "No user share needs to be burned to make that loss real. The actual conversion follows the deployed contract’s arithmetic."
      ]
    },
    {
      "id": "timing",
      "heading": "Distinguish economic loss from its display",
      "sourceIds": [
        "x425-defi-morpho-loss"
      ],
      "paragraphs": [
        "The V2 documentation uses adapters’ reported real asset values to update the vault. It also warns that a V1.1 vault allocation through the named legacy adapter may not pass its losses into the V2 share price. An apparently unchanged price can therefore require investigation of the underlying allocation."
      ]
    },
    {
      "id": "scope",
      "heading": "Identify who bears this loss",
      "sourceIds": [
        "x425-defi-morpho-risk",
        "x425-defi-morpho-loss"
      ],
      "paragraphs": [
        "A market, vault and broader protocol are different boundaries. Determine which loans caused the loss and which holders share exposure through that market or vault. Management fees can continue during loss periods in the documented V2 design. A write-down is not a promise of later reimbursement."
      ]
    }
  ],
  "faq": [
    {
      "question": "If my receipt-token count stayed the same, did I avoid the loss?",
      "answer": "Not necessarily. The amount of underlying assets represented by each receipt can fall.",
      "sourceIds": [
        "x425-defi-morpho-loss"
      ]
    }
  ],
  "claims": [
    {
      "id": "bad-debt-socialization-quick-answer",
      "articleSlug": "bad-debt-socialization",
      "statement": "Bad debt is borrowing that cannot be recovered from repayment or available collateral. Socialization allocates that shortfall across a defined set of participants. Morpho Vault V2 documents a share-price mechanism: when an adapter reports lower asset value and the vault recognizes it, the same shares can represent fewer assets.",
      "sourceIds": [
        "source-6716d055644d79b3",
        "source-2c6118fd53915127"
      ],
      "sourceLocators": [
        {
          "sourceId": "source-6716d055644d79b3",
          "locator": "Loss detection; Loss realization"
        },
        {
          "sourceId": "source-2c6118fd53915127",
          "locator": "Smart contract; Oracle; Counterparty; Bad debt; Liquidity risks"
        }
      ],
      "scope": {
        "collection": "defi",
        "dataAsOf": "2026-10-02",
        "blockHeight": null
      },
      "qualification": "",
      "evidenceStatus": "documented",
      "verification": {
        "status": "verified",
        "method": "independent automated source review",
        "checkedAt": "2026-10-02T19:18:00.092Z",
        "reviewer": "Independent automated verification — Codex root, separate from the DeFi drafting agent",
        "notes": [
          "Checked Morpho V2 loss recognition, virtual-share formula, management fees and explicit V1.1 adapter caveat. Simplified100shares×900/1000=90 excludes virtualunits."
        ]
      }
    },
    {
      "id": "bad-debt-socialization-fact-recognition",
      "articleSlug": "bad-debt-socialization",
      "statement": "Recognition: A loss can exist before it is reflected in a particular accounting view.",
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        "source-6716d055644d79b3"
      ],
      "sourceLocators": [
        {
          "sourceId": "source-6716d055644d79b3",
          "locator": "Loss detection; Loss realization"
        }
      ],
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        "dataAsOf": "2026-10-02",
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        "checkedAt": "2026-10-02T19:18:00.092Z",
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        "notes": [
          "Checked Morpho V2 loss recognition, virtual-share formula, management fees and explicit V1.1 adapter caveat. Simplified100shares×900/1000=90 excludes virtualunits."
        ]
      }
    },
    {
      "id": "bad-debt-socialization-fact-share-value",
      "articleSlug": "bad-debt-socialization",
      "statement": "Share value: Lower total assets can reduce assets redeemable per share.",
      "sourceIds": [
        "source-6716d055644d79b3"
      ],
      "sourceLocators": [
        {
          "sourceId": "source-6716d055644d79b3",
          "locator": "Loss detection; Loss realization"
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      ],
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        "dataAsOf": "2026-10-02",
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        "checkedAt": "2026-10-02T19:18:00.092Z",
        "reviewer": "Independent automated verification — Codex root, separate from the DeFi drafting agent",
        "notes": [
          "Checked Morpho V2 loss recognition, virtual-share formula, management fees and explicit V1.1 adapter caveat. Simplified100shares×900/1000=90 excludes virtualunits."
        ]
      }
    },
    {
      "id": "bad-debt-socialization-fact-version-caveat",
      "articleSlug": "bad-debt-socialization",
      "statement": "Version caveat: The cited V2 guide identifies a V1.1 adapter loss-reporting limitation.",
      "sourceIds": [
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      "sourceLocators": [
        {
          "sourceId": "source-6716d055644d79b3",
          "locator": "Loss detection; Loss realization"
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      ],
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      "evidenceStatus": "documented",
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        "checkedAt": "2026-10-02T19:18:00.092Z",
        "reviewer": "Independent automated verification — Codex root, separate from the DeFi drafting agent",
        "notes": [
          "Checked Morpho V2 loss recognition, virtual-share formula, management fees and explicit V1.1 adapter caveat. Simplified100shares×900/1000=90 excludes virtualunits."
        ]
      }
    }
  ],
  "sources": [
    {
      "id": "x425-defi-morpho-loss",
      "label": "Handling Bad Debt: Morpho Vault V2",
      "publisher": "Morpho",
      "url": "https://docs.morpho.org/curate/tutorials-v2/bad-debt/",
      "locator": "Loss detection; Loss realization",
      "note": "Version-scoped asset reporting and share-price loss recognition.",
      "version": "Documentation retrieved for the 2026-10-02 editorial scope; content hash recorded",
      "checkedAt": "2026-10-02T18:53:22.287Z",
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      "recordId": "source-6716d055644d79b3"
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    {
      "id": "x425-defi-morpho-risk",
      "label": "Risk and Security Documentation",
      "publisher": "Morpho",
      "url": "https://docs.morpho.org/learn/resources/risks/",
      "locator": "Smart contract; Oracle; Counterparty; Bad debt; Liquidity risks",
      "note": "Distinguishes types of protocol risk.",
      "version": "Documentation retrieved for the 2026-10-02 editorial scope; content hash recorded",
      "checkedAt": "2026-10-02T18:53:22.330Z",
      "contentSha256": "2f336c66ab4873723d5314f6ba5ec56e3e61b5d10213d62ce96b467e2e46d414",
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  ],
  "related": {
    "articles": [
      "vault-share-price",
      "vault-curators-allocators",
      "protocol-backstop-staking",
      "lending-liquidity-vs-solvency",
      "fixed-variable-defi-borrowing"
    ],
    "dossiers": [],
    "wallets": []
  },
  "revisionHistory": [
    {
      "date": "2026-10-02",
      "kind": "published",
      "summary": "First publication after primary-source research and separate automated verification."
    }
  ],
  "citation": "Degrees of Satoshi editorial project. “Bad debt socialization: how a lending loss reaches suppliers.” Published 2026-10-02; updated 2026-10-02. https://degreesofsatoshi.com/encyclopedia/bad-debt-socialization/"
}