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stETH/BTC Market

Status: ✅ Deployed - Production v1 deployment on Ethereum mainnet

The stETH/BTC market allows users to mint pegged tokens (haBTC) and leveraged tokens (hsSTETH-BTC) using stETH (via wstETH) as collateral.

Market overview

TokenRole
haBTCPegged token — BTC exposure (shared with fxUSD/BTC)
hsSTETH-BTCLeveraged token — variable BTC exposure

Collateral: stETH / wstETH (Lido).

Contract addresses (Mainnet)

Proxy keys and CREATE3 salt strings: Generic → Mainnet proxy table. State file: deployments/mainnet/harbor_v1.state.json.

  • minter (BTC::stETH::minter): 0xF42516EB885E737780EB864dd07cEc8628000919
  • peggedToken (BTC::pegged): 0x25bA4A826E1A1346dcA2Ab530831dbFF9C08bEA7 (haBTC)
  • leveragedToken (BTC::stETH::leveraged): 0x817ADaE288eD46B8618AAEffE75ACD26A0a1b0FD (hsSTETH-BTC)
  • reservePool (BTC::stETH::reservePool): 0x515ECa19Ac381b0f37D616F99628136906fC5355
  • stabilityPoolManager: Not deployed on this market (ETH::fxUSD::stabilityPoolManager shared): 0xE39165aDE355988EFb24dA4f2403971101134CAB
  • genesis (BTC::stETH::genesis): 0xc64Fc46eED431e92C1b5e24DC296b5985CE6Cc00
  • priceOracle: 0xE370289aF2145A5B2F0F7a4a900eBfD478A156dB (stETH/BTC aggregator)
  • feeReceiver (BTC::stETH::minterFeeReceiver): 0xc3a97138a5aDCC7d28A1375E28EC3440aeaeDF3e (TokenDistributor)
  • stabilityPoolCollateral (BTC::stETH::stabilityPoolCollateral): 0x667Ceb303193996697A5938cD6e17255EeAcef51
  • stabilityPoolLeveraged (BTC::stETH::stabilityPoolLeveraged): 0xCB4F3e21DE158bf858Aa03E63e4cEc7342177013
  • collateralToken: 0x7f39C581F595B53c5cb19bD0b3f8dA6c935E2Ca0 (wstETH)
  • wrappedCollateralToken: 0xae7ab96520DE3A18E5e111B5EaAb095312D7fE84 (stETH)

Token details

Pegged token (haBTC)

Shared with fxUSD/BTC. Address: 0x25bA4A826E1A1346dcA2Ab530831dbFF9C08bEA7

Leveraged token (hsSTETH-BTC)

Address: 0x817ADaE288eD46B8618AAEffE75ACD26A0a1b0FD — variable BTC exposure with Lido staking yield.

Collateral

  • stETH: 0xae7ab96520DE3A18E5e111B5EaAb095312D7fE84
  • wstETH: 0x7f39C581F595B53c5cb19bD0b3f8dA6c935E2Ca0

Stability pools

Collateral stability pool

  • Proxy key: BTC::stETH::stabilityPoolCollateral
  • Address: 0x667Ceb303193996697A5938cD6e17255EeAcef51
  • Rebalance Token: wstETH (collateral)
  • Purpose: Liquidates positions using collateral

Leveraged stability pool (Sail pool)

  • Proxy key: BTC::stETH::stabilityPoolLeveraged
  • Address: 0xCB4F3e21DE158bf858Aa03E63e4cEc7342177013
  • Rebalance Token: hsSTETH-BTC (leveraged token)
  • Purpose: Liquidates positions using leveraged tokens

Price oracle

The stETH/BTC price oracle (0xE370289aF2145A5B2F0F7a4a900eBfD478A156dB) provides:

  • Rate Provider: wstETH (for stETH exchange rate)
  • Price Feeds: ETH/USD and BTC/USD Chainlink feeds (calculates stETH/BTC)
  • Purpose: Determines collateral value and minting/redemption rates

See Price Oracle Contracts for detailed information.

Market parameters

CollateralstETH (via wstETH)
LeverageVariable, collateral-ratio bands
YieldLido staking (stETH)
RebalancingStability pools
DeploymentMainnet, December 2025 (startBlock: 24049273)

Genesis (Maiden Voyage)

StartDecember 19, 2025
EndJanuary 4, 2026
Genesis zap0x8Ee0D6AD1d15b3515Ba81CCE16Bba344Deea6781 (GenesisETHZap_v3)