Contract Deployments

Mainnet contract addresses, market configurations, oracle pipelines, router facets, and key roles for the Fira Protocol deployment.

Network: Ethereum Mainnet Initial Deployment: March 13–15, 2026 Bond Token Expiries: May 7, 2026 · May 27, 2026

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External tokens

Token	Symbol	Decimals	Address
USDC	USDC	6	0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48
Wrapped stETH	wstETH	18	0x7f39C581F595B53c5cb19bD0b3f8dA6c935E2Ca0
Coinbase Wrapped BTC	cbBTC	8	0xcbB7C0000aB88B473b1f5aFd9ef808440eed33Bf
PT Ethena USDe 7MAY2026	PT-USDe	18	0xAeBf0Bb9f57E89260d57f31AF34eB58657d96Ce0
PT Ethena sUSDe 7MAY2026	PT-sUSDe	18	0x3de0ff76E8b528C092d47b9DaC775931cef80F49
PT Paxos USDG 27MAY2026	PT-USDG	18	0x9db38D74a0D29380899aD354121DfB521aDb0548
PT Apyx apxUSD 18JUN2026	PT-apxUSD	18	0x92a6a01b07984de46c24e8eba248449beb8b1dcb

Fira tokens

Token	Symbol	Decimals	Address
Fira Wrapped USDC	FW-USDC	18	0x62F5366C9E21A95326C461a098a408e034e017b3
Bond Token	BT	6	0x57FFbb88f0c69283531a751BE6FF0741348371bA
Coupon Token	CT	6	0x93635d34fAd5A9fA7065a645691100b2E23C93cd
Markov USDC Prime (SisuVault)	mkUSDC	18	0x50791a5cA041b9D6Dd03e64E3Fa0e34a376759AC

May 27, 2026 Expiry

Token	Symbol	Decimals	Address
Bond Token (27MAY)	BT	6	0x88dd7069cb9d8b7cc6eebd23b82ed1e9a75d9734
Coupon Token (27MAY)	CT	6	0x17eA07Eb87bf7B091070999a0D313556D4ac580B

June 18, 2026 Expiry

Token	Symbol	Decimals	Address
Bond Token (18JUN)	BT	6	0x33fd40eD7744c961b61a086A87F83787bd9606eE
Coupon Token (18JUN)	CT	6	0x33b6bf0390A84fe0f27979f9B52d78bfE1c6156F

BT and CT are minted/burned in pairs via the YieldContractFactory. Multiple expiry series can coexist.

Core protocol contracts

Contract	Address	Description
FiraRouterV4	0xFF615E63aAF2d1B1EE4AdFD34a5840747185d8A0	Main entry point for all user operations
USDCFW (FW)	0x62F5366C9E21A95326C461a098a408e034e017b3	Wrapped Standardized Yield token for USDC
SisuVault	0x50791a5cA041b9D6Dd03e64E3Fa0e34a376759AC	ERC-4626 vault aggregating yield across markets
LiquidityInjector	0x2104f638a839Ca7260180d9Ee7f4865C92Df4cE5	Sole BT supplier to fixed-rate markets
RehypothecationModule	0xad332515d9c82438BBa0e9FAA9486B52A33a7Ac8	Controls phi ratios for rebalancing
YieldContractFactory	0xcdB83Abb9121c04589567A4106C3cFaf65DB68Be	Deploys BT/CT pairs
FiraMarketFactory	0xBF1EfC2199ae9EE1B6f5060a45D4440157E49744	Deploys AMM markets
BCLpOracle	0xfEAAEC9124FB007d7c44Ed704A08d24b264de921	Oracle for BC/LP pricing
AdaptiveCurveIrm	0x73C288826347af3718e6F09c2A24AaFDA77684cD	Interest rate model for variable-rate markets
FIRA Yield Treasury	0x97fD565B913b439Ff16774Da152B1f71F05A82F1	Fee recipient

Lending markets

Contract	Address	Description
VariableLendingMarket	0xc8Db629192a96D6840e88a8451F17655880A2e4D	Variable-rate lending (wstETH, cbBTC collateral)
FiraLendingMarket	0x280ddD897F39C33fEf1CbF863B386Cb9a8e53a0e	Fixed-rate lending (PT collateral, BT loan token)

AMM markets

FiraMarket — May 7, 2026

Field	Value
FiraMarket	0xde00b5edb255078dd42ee94fd97f473d1c9c055d
BT	0x57FFbb88f0c69283531a751BE6FF0741348371bA
FW	0x62F5366C9E21A95326C461a098a408e034e017b3
Expiry	May 7, 2026 (1778112000)
scalarRoot	102406700000000000000
initialAnchor	1008276800000000000
lnFeeRateRoot	2996000000000000

FiraMarket — May 27, 2026

Field	Value
FiraMarket	0x7083cfc87e7f6ebb858cc39b72d9c7605d368729
BT	0x88dd7069cb9d8b7cc6eebd23b82ed1e9a75d9734
FW	0x62F5366C9E21A95326C461a098a408e034e017b3
Expiry	May 27, 2026

FiraMarket — June 18, 2026

Field	Value
FiraMarket	0x400922e37d608620672dc1f1b7a25ecbaabb57f8
BT	0x33fd40eD7744c961b61a086A87F83787bd9606eE
FW	0x62F5366C9E21A95326C461a098a408e034e017b3
Expiry	June 18, 2026

Variable-rate markets

wstETH / USDC

Field	Value
Lending Market	0xc8Db629192a96D6840e88a8451F17655880A2e4D
Market ID	0xB3152AC00687CC9502B78AB452956F85CC89AC210DEEFDA5DBFF09F7F167B544
Loan Token	USDC (0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48)
Collateral Token	wstETH (0x7f39C581F595B53c5cb19bD0b3f8dA6c935E2Ca0)
Oracle	0x48F7E36EB6B826B2dF4B2E630B62Cd25e89E40e2 (Morpho wstETH/USDC)
IRM	0x73C288826347af3718e6F09c2A24AaFDA77684cD (AdaptiveCurveIrm)
LTV	87%
LLTV	89%
Whitelist	None (permissionless)

cbBTC / USDC

Field	Value
Lending Market	0xc8Db629192a96D6840e88a8451F17655880A2e4D
Market ID	0x39D3BDD30BF4BCF4A4D3547F2484ABE1E30A2DCD41ED83788B40E2720357AB76
Loan Token	USDC (0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48)
Collateral Token	cbBTC (0xcbB7C0000aB88B473b1f5aFd9ef808440eed33Bf)
Oracle	0x698253A24CC4926090f841B38D31d6342A00a82C (ChainlinkOracleV2 cbBTC/USDC)
IRM	0x73C288826347af3718e6F09c2A24AaFDA77684cD (AdaptiveCurveIrm)
LTV	88%
LLTV	90%
Whitelist	None (permissionless)

Fixed-rate markets

All fixed-rate markets use the FiraLendingMarket at 0x280ddD897F39C33fEf1CbF863B386Cb9a8e53a0e. BT is the loan token. Only the LiquidityInjector can supply BT (whitelist-gated).

PT-USDG / BT (May 27 Expiry)

Field	Value
Loan Token	BT 27MAY (0x88dd7069cb9d8b7cc6eebd23b82ed1e9a75d9734)
Collateral Token	PT-USDG (0x9db38D74a0D29380899aD354121DfB521aDb0548)
Oracle	0x90d0d6fdf9fe93777085e8b4baf3aab4285bac6b (FiraSolvencyOracle)
IRM	0x0000000000000000000000000000000000000000 (none — fixed rate)
LTV	94%
LLTV	94.75%
Whitelist	0x2104f638a839Ca7260180d9Ee7f4865C92Df4cE5 (LiquidityInjector)
Maturity Grace Period	86400 (24h)
Liquidation Incentive	1%

PT-USDe / BT

Field	Value
Loan Token	BT (0x57FFbb88f0c69283531a751BE6FF0741348371bA)
Collateral Token	PT-USDe (0xAeBf0Bb9f57E89260d57f31AF34eB58657d96Ce0)
Oracle	0xeB30b33A1aC175e0305853636D0eF3898eb530f3 (FiraSolvencyOracle)
IRM	0x0000000000000000000000000000000000000000 (none — fixed rate)
LTV	89%
LLTV	90%
Whitelist	0x2104f638a839Ca7260180d9Ee7f4865C92Df4cE5 (LiquidityInjector)
Maturity Grace Period	86400 (24h)
Liquidation Incentive	3.1%
BT Liquidity	350 BT supplied by LI

PT-sUSDe / BT

Field	Value
Loan Token	BT (0x57FFbb88f0c69283531a751BE6FF0741348371bA)
Collateral Token	PT-sUSDe (0x3de0ff76E8b528C092d47b9DaC775931cef80F49)
Oracle	0xB9bAA3D58E1431776218F39919fd21AeD3e69aBb (FiraSolvencyOracle)
IRM	0x0000000000000000000000000000000000000000 (none — fixed rate)
LTV	89%
LLTV	90%
Whitelist	0x2104f638a839Ca7260180d9Ee7f4865C92Df4cE5 (LiquidityInjector)
Maturity Grace Period	86400 (24h)
Liquidation Incentive	3.1%
BT Liquidity	350 BT supplied by LI

PT-apxUSD / BT (June 18 Expiry)

Market ID

0xfe8dbea27393d8703f2835c536630828d3742d4434fcb0a295d6a4cb0685d0ac

Field	Value
Loan Token	BT 18JUN (0x33fd40eD7744c961b61a086A87F83787bd9606eE)
Collateral Token	PT-apxUSD (0x92a6a01b07984de46c24e8eba248449beb8b1dcb)
Oracle	0x5ccdbef28bc15d306ddb949f6b43bb0e3002cea6 (FiraSolvencyOracle)
IRM	0x0000000000000000000000000000000000000000 (none — fixed rate)
LTV	88% (sentinel 0: maxLTV == LLTV)
LLTV	88%
Whitelist	0x2104f638a839Ca7260180d9Ee7f4865C92Df4cE5 (LiquidityInjector)
Maturity Grace Period	86400 (24h)
Liquidation Incentive	3.73%

Oracle pipeline

Variable-rate oracles

Market	Oracle	Type
wstETH/USDC	0x48F7E36EB6B826B2dF4B2E630B62Cd25e89E40e2	Morpho v1 oracle (pre-deployed, reused)
cbBTC/USDC	0x698253A24CC4926090f841B38D31d6342A00a82C	ChainlinkOracleV2 (BTC/USD + USDC/USD feeds)

Fixed-rate oracle pipeline (May 7 Expiry)

PT-USDe and PT-sUSDe markets use a 3-layer oracle stack:

AaveToChainlinkAdapter → ChainlinkOracleV2 → FiraSolvencyOracle → FiraLendingMarket

Layer	PT-USDe	PT-sUSDe
AaveToChainlinkAdapter	0xc42F003F9eCD3DdDF704556E82Cdd9271818171F	0x3d7346578be9B82E0227D027bd86F6De59BA3C91
ChainlinkOracleV2	0x2ED527087B740530562754EFCd608290eCCdBe2e	0xD6f5D9102007A737D9EDE6543262516d5c2fc8f8
FiraSolvencyOracle	0xeB30b33A1aC175e0305853636D0eF3898eb530f3	0xB9bAA3D58E1431776218F39919fd21AeD3e69aBb

Fixed-rate oracle pipeline (May 27 Expiry — PT-USDG)

The PT-USDG market uses a MetaOracleDeviationTimelock with primary/backup oracle redundancy:

MetaOracleDeviationTimelock → FiraSolvencyOracle → FiraLendingMarket

Layer	Address	Description
MetaOracleDeviationTimelock	0xEA268c588072e2639448E3a9433AB92E871335E2	Deviation threshold: 0.5%
Primary Oracle	0x8ec85C167a43EBe4EB183e8d9B876D1cdad9A9fB	1:1 USDG peg + Pendle TWAP
Backup Oracle	0x8A01940D89CF95D9F6e92a90B17C0Ca5C953fE73	Chainlink USDG/USD + Pendle TWAP
FiraSolvencyOracle	0x90d0d6fdf9fe93777085e8b4baf3aab4285bac6b	Final solvency check

Fixed-rate oracle pipeline (June 18 Expiry — PT-apxUSD)

The PT-apxUSD market reuses the Morpho-listed MorphoChainlinkOracleV2 directly. Two BASE feeds (Pendle PT-apxUSD TWAP × Apyx Capped CR) are combined and divided by the USDC/USD QUOTE feed:

MorphoChainlinkOracleV2 → FiraSolvencyOracle → FiraLendingMarket

Layer	Address	Description
MorphoChainlinkOracleV2	0x4DFceF82eaEE9eA817bEb1279336F7D0Ebf2b685	Reused from Morpho listing
BASE_FEED_1 (Pendle PT TWAP)	0xEfDB275FC9C7946f36E632bEF61379c5f5Ab4C86	PT-apxUSD TWAP feed
BASE_FEED_2 (Apyx CR)	0x2037a5Eb67aa9B2FBF50042B724D8c4dB80F23b4	Apyx Capped CR feed
QUOTE_FEED_1 (Chainlink)	0x8fFfFfd4AfB6115b954Bd326cbe7B4BA576818f6	USDC/USD
FiraSolvencyOracle	0x5ccdbef28bc15d306ddb949f6b43bb0e3002cea6	Final solvency check

Chainlink feeds

Feed	Address
BTC/USD	0xF4030086522a5bEEa4988F8cA5B36dbC97BeE88c
USDC/USD	0x8fFfFfd4AfB6115b954Bd326cbe7B4BA576818f6

Router facets

The FiraRouterV4 uses a facet-based (diamond-like) architecture. All user-facing calls go through the Router, which delegates to the appropriate facet.

Facet	Address	Functions
ActionSwapBTV3	0xab2383692ed8e0836e25b71988c925dfd94ed2fe	BT swaps
ActionSwapCTV3	0xdb7a722ae7baf83d3d8b9e812952916326d6656b	CT swaps
ActionAddRemoveLiqV3	0x286bbc5519cd421011e7e1c092e1d6a72edb4d30	Liquidity add/remove
ActionCallbackV3	0x2dead5b19935d7299d7077c52f2e2860370278a5	Internal swap callbacks
ActionSimple	0x4474886d003abcb53c307324894c074ce5176f75	Simple token transfers
ActionMiscV3	0x967234d7a4416380107da653e5d3afc9c7bf8874	FW/BC minting, simulate
ActionBorrow	0x66f5853cf6c36b97e754f074397d00b78253ef03	Borrow/repay
ActionStorageV4	0x0386685eA7d37c61dDb8F2e2E8c45f6a81d4A3C8	Router admin

Factory contracts

Contract	Address
ChainlinkOracleV2Factory	0x7783fF7bE856C7A82bC5497Fb3CC8F7E8802D8dC
SisuVaultFactory	0xe77E0f97A864558e5513209323e4169FcEAC6981
YieldContractFactory	0xcdB83Abb9121c04589567A4106C3cFaf65DB68Be
FiraMarketFactory	0xBF1EfC2199ae9EE1B6f5060a45D4440157E49744

Key roles

Role	Address
SisuVault Curator	0xc02B0D1ca7B986E63cf1599F9c32e8A96c2D4Cff (Markov Labs)
SisuVault Allocator	0x4E700A14868620a9Bba0669721F1945c410c7571 (Markov Labs)
FIRA Yield Treasury	0x97fD565B913b439Ff16774Da152B1f71F05A82F1
Deployer EOA	0x7Da82CBD315923d75dbb2C62F099392705FF97f9