Last night, right before bed, I came across Babylon Labs’ TBV technical documentation. I only meant to skim it quickly, but then I saw a word that made me stop—**translation (翻译)**. I even went back a page to confirm I hadn’t misunderstood.
What the official explanation means is not to move BTC to another chain. Instead, they want to build a mechanism that allows Bitcoin to “understand” what is happening under an external protocol. Since Bitcoin itself doesn’t know about lending, liquidations, or contract execution on Ethereum—and it certainly can’t proactively respond to those state changes—this is the hardest part of cross-ecosystem collaboration.
As I continued looking deeper, I found that TBV’s design didn’t come out of nowhere. It absorbed the ideas from BitVM3 and has continued to participate in open-source collaboration within the BitVM Alliance. What surprised me even more is that Babylon has already pushed for TBV to be integrated with Aave V4. The plan is to use dedicated modules to map BTC locked on Bitcoin into a restricted-liquidity vaultBTC, so that Aave’s lending system can recognize it and use it. Only then did I truly understand why the official side has kept emphasizing the word “translation.”
There’s another detail that left a strong impression on me. When each Vault is created, two crucial rules are written in stone: who in the future will be eligible to withdraw that BTC, and which target protocol is responsible for verifying the asset’s state. Once these conditions are embedded, no one can arbitrarily change them later. The trust model shifts away from an operator and toward publicly verifiable rules.
After reading the full design, my biggest takeaway is this: what TBV wants to solve isn’t just how BTC can participate in DeFi, but how to connect a Bitcoin that almost cannot “speak” to the outside financial world—without changing its own rules.
If this path works, BTC’s use cases could be much bigger than many people expect.
#baby $BABY
What the official explanation means is not to move BTC to another chain. Instead, they want to build a mechanism that allows Bitcoin to “understand” what is happening under an external protocol. Since Bitcoin itself doesn’t know about lending, liquidations, or contract execution on Ethereum—and it certainly can’t proactively respond to those state changes—this is the hardest part of cross-ecosystem collaboration.
As I continued looking deeper, I found that TBV’s design didn’t come out of nowhere. It absorbed the ideas from BitVM3 and has continued to participate in open-source collaboration within the BitVM Alliance. What surprised me even more is that Babylon has already pushed for TBV to be integrated with Aave V4. The plan is to use dedicated modules to map BTC locked on Bitcoin into a restricted-liquidity vaultBTC, so that Aave’s lending system can recognize it and use it. Only then did I truly understand why the official side has kept emphasizing the word “translation.”
There’s another detail that left a strong impression on me. When each Vault is created, two crucial rules are written in stone: who in the future will be eligible to withdraw that BTC, and which target protocol is responsible for verifying the asset’s state. Once these conditions are embedded, no one can arbitrarily change them later. The trust model shifts away from an operator and toward publicly verifiable rules.
After reading the full design, my biggest takeaway is this: what TBV wants to solve isn’t just how BTC can participate in DeFi, but how to connect a Bitcoin that almost cannot “speak” to the outside financial world—without changing its own rules.
If this path works, BTC’s use cases could be much bigger than many people expect.
#baby $BABY