Babylon Labs has proposed a temperature check in the Aave community to integrate native Bitcoin as collateral on Aave V4 via the Babylon Trustless Bitcoin Vaults protocol. The solution requires no wrapping, cross-chain bridges, or custodians—users lock Bitcoin in Taproot UTXOs, and redemptions are governed by on-chain rules and settled directly to Bitcoin UTXOs. The proposal includes deploying two Aave V4 Spokes: the Babylon Core Lending Spoke and the BTC Vault Swap Spoke. The collateral exists as vaultBTC, a restricted ERC-20 token transferable only between a fixed whitelist of addresses.
Babylon Labs Proposes Native Bitcoin Collateral Integration on Aave V4
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Summary
Babylon Labs has proposed integrating native Bitcoin as collateral on Aave V4 via its Babylon Trustless Bitcoin Vaults protocol. The plan leverages Taproot UTXOs to lock Bitcoin, enabling on-chain functionality without wrapping, bridges, or custodians. Redemption follows on-chain rules and settles directly to Bitcoin UTXOs. The proposal includes two Aave V4 Spokes: the Babylon Core Lending Spoke and the BTC Vault Swap Spoke. Collateral will be issued as vaultBTC, a restricted ERC-20 token limited to a fixed whitelist. This Bitcoin update highlights a key development in Bitcoin’s DeFi integration.
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