Babylon and Aave push for Bitcoin-backed DeFi lending without wrapped BTC
Babylon Labs has proposed a brand new Aave V4 integration that lets customers borrow towards native Bitcoin collateral with out counting on wrapped BTC, bridges, or custodians.
The proposal, submitted as a temperature test on the Aave governance discussion board, seeks group approval for 2 customized Aave V4 “Spokes” that might onboard Bitcoin by Babylon’s Trustless Bitcoin Vaults [TBV] system.
Below the mannequin, customers lock BTC instantly on the Bitcoin community by Taproot-based vault scripts whereas borrowing belongings on Ethereum by Aave V4 infrastructure. Babylon stated the system avoids conventional wrapped Bitcoin designs by conserving the underlying BTC on Bitcoin itself.
Aave founder Stani Kulechov publicly endorsed the proposal on X, describing it because the “first novel Spoke implementation proposal for Aave V4.”
He additionally famous that Babylon already has greater than $4bn in BTC staked that might ultimately function collateral throughout the Aave ecosystem.
Proposal goals to scale back reliance on custodial BTC techniques
Babylon’s proposal repeatedly emphasizes that the combination would function with out:
- bridges,
- wrapped BTC issuers,
- custodians,
- or multisig signer teams.
As a substitute, the system depends on Taproot scripts, problem home windows, and zero-knowledge proofs to validate collateral redemption circumstances throughout chains.
The proposal introduces a non-transferable accounting asset, vaultBTC, that represents BTC locked in Babylon vaults as collateral in Aave V4.
Babylon stated vaultBTC wouldn’t operate as a standard wrapped Bitcoin token and will solely work together with accredited Aave contracts.
Aave V4 structure turning into a significant testing floor
The proposal additionally highlights how Aave V4’s Hub-and-Spoke structure may help remoted customized lending techniques with out affecting the broader protocol.
Alongside the lending Spoke, Babylon proposed a separate BTC Vault Swap Spoke designed to deal with liquidations and delayed Bitcoin settlement flows.
The broader purpose seems to be making a trust-minimized pathway for Bitcoin liquidity to enter Ethereum-based DeFi markets with out relying on centralized custody infrastructure.
The proposal stays within the governance dialogue section and nonetheless requires extra critiques, audits, threat assessments, and on-chain voting approvals earlier than deployment.
Ultimate Abstract
- Babylon proposed an Aave V4 integration that might enable customers to borrow towards native Bitcoin collateral with out wrapped BTC.
- Aave founder Stani Kulechov publicly supported the proposal, which may ultimately convey billions in BTC liquidity into DeFi markets.
