I kept coming back to one question while testing Babylon's Trustless Bitcoin Vault flow: does native BTC actually become better collateral than wrapped BTC, or does it just move the complexity somewhere else?
The borrowing flow itself wasn't what caught my attention. It was the fact that the BTC never needed to become a wrapped asset first. The vault stayed tied to Bitcoin while the collateral became usable through the Aave v4 integration. That changes the conversation more than the borrowing screen does.
Babylon currently shows about 56,853 BTC staked, worth roughly $5.6 billion at current prices. That's already a meaningful amount of Bitcoin that people are willing to commit without giving up custody. If even a fraction of that capital eventually becomes usable as lending collateral, the supply side of BTCFi starts looking very different.
The part I'm still unsure about isn't security. It's behavior.
Bitcoin holders aren't known for borrowing against their stack. Most of them avoid leverage altogether. So the challenge may not be proving that native BTC can become collateral. It might be convincing people that using it is worth introducing another decision into what used to be a very passive holding strategy.
That's why I think the bigger test for Babylon isn't TVL or the number of vaults created.
It's whether people who normally never touch their BTC start treating it as productive capital without feeling like they're compromising the reason they held Bitcoin in the first place.
I'm not convinced we've reached that point yet.

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