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Encyclopedia DeFi · Entry 355

Collateral swaps: replacing backing while keeping a loan open

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Key facts

Key facts for Collateral swaps: replacing backing while keeping a loan open
FactDetailSource
ReplacementThe adapter swaps supplied assets and supplies the result.[1]
Output boundThe documented methods include a minimum amount to receive.[1]
Risk parametersCollateral LTV and liquidation thresholds can differ.[2]
01

Compare adjusted collateral value

Suppose 1,000 of asset A has an 80% liquidation threshold and supports 600 debt. Health factor is about 1.33. Replacing it with 1,000 of asset B at a hypothetical 70% threshold gives 700 / 600 ≈ 1.17 before costs.

Receiving the same market value did not preserve the same margin of safety. Slippage reducing the output value makes the distinction larger.

02

Temporary health can matter

A manual withdrawal followed by a later deposit may be impossible while the first asset backs debt. The documented adapter coordinates replacement and checks; a flash loan can support the temporary sequence. Where a non-flash path is permitted, its preconditions differ.

03

Confirm that the new asset counts

The destination asset must be valid for the selected market and collateral configuration. Review category borrowing permissions, minimum output, approvals and final health factor. A completed token swap that leaves the new asset outside the relevant collateral category may not achieve the intended borrowing arrangement.

Direct answers

Questions people ask

Does swapping collateral change the asset I owe?

A collateral swap changes the supplied side. Changing the debt asset is a separate refinancing operation.

Inspect the evidence

The answer and key facts have stable claim links. These records retain the scope and qualification when reused.

A collateral swap replaces one supplied asset with another while coordinating the lending position’s constraints. Aave’s documented swap adapter can combine swapping and re-supply in one transaction, with or without a flash-loan path. Equal market value does not imply equal borrowing power because assets can have different eligibility and risk parameters.

Scope: DeFi · data through 2026-10-02. Verification: verified · 2026-10-02T19:18:00.092Z.

Link to this claim
Replacement: The adapter swaps supplied assets and supplies the result.

Scope: DeFi · data through 2026-10-02. Verification: verified · 2026-10-02T19:18:00.092Z.

Link to this claim
Output bound: The documented methods include a minimum amount to receive.

Scope: DeFi · data through 2026-10-02. Verification: verified · 2026-10-02T19:18:00.092Z.

Link to this claim
Risk parameters: Collateral LTV and liquidation thresholds can differ.

Scope: DeFi · data through 2026-10-02. Verification: verified · 2026-10-02T19:18:00.092Z.

Link to this claim
Revision history
  1. — First publication after primary-source research and separate automated verification.

Source register

Sources and references

Retrieval dates and locators are recorded individually.
  1. Aave v3 Swap FeaturesAave

    Documented adapter/flash-loan/DEX composition; availability varies by market.

    Locator: Repay with collateral; Collateral Swap; Debt Swap · Version / scope: Documentation retrieved for the 2026-10-02 editorial scope; content hash recorded · Retrieved: 2026-10-02T18:53:21.663ZOpen source
  2. Toggle Collateral StatusAave

    Changing collateral status independently of supply balance.

    Locator: Enable; Disable; health factor · Version / scope: Documentation retrieved for the 2026-10-02 editorial scope; content hash recorded · Retrieved: 2026-10-02T18:53:21.565ZOpen source
  3. Health Factor and LiquidationsAave

    Weighted liquidation thresholds; no universal safe ratio.

    Locator: Health Factor; Managing Health Factor · Version / scope: Documentation retrieved for the 2026-10-02 editorial scope; content hash recorded · Retrieved: 2026-10-02T18:53:21.960ZOpen source
  4. Efficiency ModeAave

    Higher capital efficiency under category assumptions.

    Locator: Categories; correlated assets; risks · Version / scope: Documentation retrieved for the 2026-10-02 editorial scope; content hash recorded · Retrieved: 2026-10-02T18:53:21.760ZOpen source
How this article was made

Research and drafting use AI assistance. A separate automated review checks claims against primary sources; no external expert or named human review is implied. Publication, substantive editing, source retrieval and verification are recorded separately. This version was independently checked by an automated reviewer on 2 October 2026.

Editorial method and corrections

Degrees of Satoshi editorial project. “Collateral swaps: replacing backing while keeping a loan open.” Published 2026-10-02; updated 2026-10-02. https://degreesofsatoshi.com/encyclopedia/collateral-swaps/