DeFi protocols should make transaction privacy the default setting

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Deployment of Binance's bStocks into decentralized finance reached 11.2% in early October 2026, while the share of deposited bStocks collateral borrowed against reached 46.2% by September 10, 2026

Because individual Bitcoin transaction outputs cannot be divided, liquidations in Babylon's Aave V4 integration target one BTCVault at a time, allowing liquidators to make repeated calls until the borrower's position health is restored

To enable Aave V4 to track collateral on Ethereum, Babylon's integration creates a transfer-restricted ERC-20 token named vaultBTC as an internal accounting record representing locked Bitcoin on a one-to-one basis

Six security firms participated in audit work covering Babylon's Aave V4 integration components, including Coinspect, Sherlock, Zellic, ABDK, ZK Security, and Runtime Verification

To bypass multi-day Bitcoin redemption delays, permissionless liquidators using Babylon's BTC Vault Swap Spoke receive Wrapped Bitcoin (WBTC) immediately while authorized participants complete native Bitcoin settlement

The BTC Vault Swap Spoke is introduced as a second component alongside the Babylon Core Lending Spoke in Aave V4 specifically to manage the settlement process for liquidated Bitcoin collateral

Redeeming a native Bitcoin vault during collateral settlement can take several days due to a required challenge period on the Bitcoin network.

StarkWare introduced its STRK20 privacy framework on June 9, 2026, providing zero-knowledge shielded balances, private transfers, and viewing keys for auditing ERC-20 assets on Starknet.

StarkWare launched OffMarket, a privacy service that enables users to trade on Polymarket without publicly linking their trading positions to their primary accounts.

Financial Privacy Inc. holds OffMarket's master viewing key in a secure enclave under a multisignature arrangement with StarkWare, screening deposits against sanctions and reviewing legal requests for transaction data.

When withdrawing from a Starknet Shadow Account, funds return to shielded STRK20 balances using zero-knowledge proofs managed by a Starknet wallet

Starknet wallets handle zero-knowledge proof generation and shielded balance data during Shadow Account operations without requiring developers to access users' viewing keys.

Starknet Shadow Accounts allow users to manage decentralized finance positions without publicly linking their application activity to primary cryptocurrency wallets.

Authorized arbitrageurs acquire escrowed vaults in the BTC Vault Swap Spoke's liquidation process by repaying the outstanding WBTC debt plus accrued interest before redeeming underlying BTC on the Bitcoin network

OffMarket is not owned or created by Polymarket and has no formal partnership with Polymarket, operating independently as part of Polymarket's verified builder program

OffMarket allows users to retain control of their keys in their browsers, while OffMarket's derived wallets are managed via user signatures to ensure non-custodial wallet recovery if OffMarket goes offline

OffMarket cannot mask public transaction sizes, order prices, execution timing, or public USDC pool transfers, which can potentially expose trader identities during low liquidity periods.

OffMarket executes private orders on Polymarket against existing order books, liquidity, and market prices, while enforcing Polymarket's normal taker fees and geographic restrictions against U.S. users.

Starknet's Shadow Account balances and transactions remain publicly visible on the blockchain, but the connection to a user's primary wallet address is obscured

Users fund Starknet Shadow Accounts by depositing supported assets into a shared privacy pool represented through encrypted STRK20 balances.