If the collateral is native BTC, why does WBTC show up at all?
That was my first question in the Trustless Bitcoin Vaults (TBV) liquidation docs
I then separated what happens to my collateral from what an Aave v4 liquidator needs on Ethereum
Native BTC stays locked inside its Taproot UTXO on Bitcoin
It is never wrapped, bridged, or placed with a custodian
The permissionless liquidation path needs immediate settlement, while Bitcoin redemption still passes through claim, challenge, and payout over several days
The @BabylonLabs_io BTCVaultSwap Spoke fills that gap with WBTC and temporarily holds the seized vault
A registered arbitrageur later buys it, repays the WBTC obligation, and completes redemption on Bitcoin
On the Public Testnet, that WBTC is a mock token with no monetary value
So I see WBTC as settlement liquidity, not my collateral
That is the $BABY detail I would keep explaining whenever #baby comes up
Before reading this, what did you think WBTC was used for in TBV?
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