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addressesSafety 90Repository

Verified contract addresses for major Ethereum protocols across mainnet and L2s. Use this instead of guessing or hallucinating addresses. Includes Uniswap, Aave, Compound, USDC, USDT, DAI, ENS, Safe, Chainlink, and more. Always verify addresses against a block explorer before sending transactions.

addressesaustintgriffith
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Updated 3/4/2026

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SKILL.md

Contract Addresses

CRITICAL: Never hallucinate a contract address. Wrong addresses mean lost funds. If an address isn't listed here, look it up on the block explorer or the protocol's official docs before using it.

Last Verified: February 13, 2026 (all addresses verified onchain via eth_getCode)

Stablecoins

USDC (Circle) — Native

NetworkAddressStatus
Mainnet0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48✅ Verified
Arbitrum0xaf88d065e77c8cC2239327C5EDb3A432268e5831✅ Verified
Optimism0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85✅ Verified
Base0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913✅ Verified
Polygon0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359✅ Verified
zkSync Era0x1d17CBcF0D6D143135aE902365D2E5e2A16538D4✅ Verified

USDT (Tether)

NetworkAddressStatus
Mainnet0xdAC17F958D2ee523a2206206994597C13D831ec7✅ Verified
Arbitrum0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9✅ Verified
Optimism0x94b008aA00579c1307B0EF2c499aD98a8ce58e58✅ Verified
Base0xfde4C96c8593536E31F229EA8f37b2ADa2699bb2✅ Verified

DAI (MakerDAO)

NetworkAddressStatus
Mainnet0x6B175474E89094C44Da98b954EedeAC495271d0F✅ Verified
Arbitrum0xDA10009cBd5D07dd0CeCc66161FC93D7c9000da1✅ Verified
Optimism0xDA10009cBd5D07dd0CeCc66161FC93D7c9000da1✅ Verified
Base0x50c5725949A6F0c72E6C4a641F24049A917DB0Cb✅ Verified

Wrapped ETH (WETH)

NetworkAddressStatus
Mainnet0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2✅ Verified
Arbitrum0x82aF49447D8a07e3bd95BD0d56f35241523fBab1✅ Verified
Optimism0x4200000000000000000000000000000000000006✅ Verified
Base0x4200000000000000000000000000000000000006✅ Verified

DeFi Protocols

Uniswap

V2 (Mainnet)

ContractAddressStatus
Router0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D✅ Verified
Factory0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f✅ Verified

V3 (Mainnet)

ContractAddressStatus
SwapRouter0xE592427A0AEce92De3Edee1F18E0157C05861564✅ Verified
SwapRouter020x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45✅ Verified
Factory0x1F98431c8aD98523631AE4a59f267346ea31F984✅ Verified
Quoter V20x61fFE014bA17989E743c5F6cB21bF9697530B21e✅ Verified
Position Manager0xC36442b4a4522E871399CD717aBDD847Ab11FE88✅ Verified

V3 Multi-Chain

ContractArbitrumOptimismBase
SwapRouter020x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45 ✅0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45 ✅0x2626664c2603336E57B271c5C0b26F421741e481 ✅
Factory0x1F98431c8aD98523631AE4a59f267346ea31F984 ✅0x1F98431c8aD98523631AE4a59f267346ea31F984 ✅0x33128a8fC17869897dcE68Ed026d694621f6FDfD ✅

Universal Router (Mainnet)

ContractAddressStatus
Universal Router0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD✅ Verified

UNI Token

NetworkAddressStatus
Mainnet0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984✅ Verified

Aave

V2 (Mainnet - Legacy)

ContractAddressStatus
LendingPool0x7d2768dE32b0b80b7a3454c06BdAc94A69DDc7A9✅ Verified

V3 (Mainnet)

ContractAddressStatus
Pool0x87870Bca3F3fD6335C3F4ce8392D69350B4fA4E2✅ Verified
PoolAddressesProvider0x2f39d218133AFaB8F2B819B1066c7E434Ad94E9e✅ Verified

V3 Multi-Chain

ContractArbitrumOptimismBase
Pool0x794a61358D6845594F94dc1DB02A252b5b4814aD ✅0x794a61358D6845594F94dc1DB02A252b5b4814aD ✅0xA238Dd80C259a72e81d7e4664a9801593F98d1c5 ✅
PoolAddressesProvider0xa97684ead0e402dC232d5A977953DF7ECBaB3CDb ✅0xa97684ead0e402dC232d5A977953DF7ECBaB3CDb ✅0xe20fCBdBfFC4Dd138cE8b2E6FBb6CB49777ad64D ✅

Compound

V2 (Mainnet - Legacy)

ContractAddressStatus
Comptroller0x3d9819210A31b4961b30EF54bE2aeD79B9c9Cd3B✅ Verified
cETH0x4Ddc2D193948926D02f9B1fE9e1daa0718270ED5✅ Verified
cUSDC0x39AA39c021dfbaE8faC545936693aC917d5E7563✅ Verified
cDAI0x5d3a536E4D6DbD6114cc1Ead35777bAB948E3643✅ Verified

V3 Comet (USDC Markets)

NetworkAddressStatus
Mainnet0xc3d688B66703497DAA19211EEdff47f25384cdc3✅ Verified
Arbitrum0x9c4ec768c28520B50860ea7a15bd7213a9fF58bf✅ Verified
Base0xb125E6687d4313864e53df431d5425969c15Eb2F✅ Verified
Optimism0x2e44e174f7D53F0212823acC11C01A11d58c5bCB✅ Verified

Curve Finance (Mainnet)

ContractAddressStatus
Address Provider0x0000000022D53366457F9d5E68Ec105046FC4383✅ Verified
CRV Token0xD533a949740bb3306d119CC777fa900bA034cd52✅ Verified

Balancer V2 (Mainnet)

ContractAddressStatus
Vault0xBA12222222228d8Ba445958a75a0704d566BF2C8✅ Verified

NFT & Marketplaces

OpenSea Seaport

VersionAddressStatus
Seaport 1.10x00000000006c3852cbEf3e08E8dF289169EdE581✅ Verified
Seaport 1.50x00000000000000ADc04C56Bf30aC9d3c0aAF14dC✅ Verified

Multi-chain via CREATE2 (Ethereum, Polygon, Arbitrum, Optimism, Base).

ENS (Mainnet)

ContractAddressStatus
Registry0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e✅ Verified
Public Resolver0x231b0Ee14048e9dCcD1d247744d114a4EB5E8E63✅ Verified
Registrar Controller0x253553366Da8546fC250F225fe3d25d0C782303b✅ Verified

Infrastructure

Safe (Gnosis Safe)

ContractAddressStatus
Singleton 1.3.00xd9Db270c1B5E3Bd161E8c8503c55cEABeE709552✅ Verified
ProxyFactory0xa6B71E26C5e0845f74c812102Ca7114b6a896AB2✅ Verified
Singleton 1.4.10x41675C099F32341bf84BFc5382aF534df5C7461a✅ Verified
MultiSend0x38869bf66a61cF6bDB996A6aE40D5853Fd43B526✅ Verified

Account Abstraction (ERC-4337)

ContractAddressStatus
EntryPoint v0.70x0000000071727De22E5E9d8BAf0edAc6f37da032✅ Verified
EntryPoint v0.60x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789✅ Verified

All EVM chains (CREATE2).

Chainlink

Mainnet

FeedAddressStatus
LINK Token0x514910771AF9Ca656af840dff83E8264EcF986CA✅ Verified
ETH/USD0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419✅ Verified
BTC/USD0xF4030086522a5bEEa4988F8cA5B36dbC97BeE88c✅ Verified
USDC/USD0x8fFfFfd4AfB6115b954Bd326cbe7B4BA576818f6✅ Verified

ETH/USD Price Feeds (Multi-Chain)

NetworkAddressStatus
Arbitrum0x639Fe6ab55C921f74e7fac1ee960C0B6293ba612✅ Verified
Base0x71041dddad3595F9CEd3DcCFBe3D1F4b0a16Bb70✅ Verified
Optimism0x13e3Ee699D1909E989722E753853AE30b17e08c5✅ Verified

LINK Token (Multi-Chain)

NetworkAddressStatus
Arbitrum0xf97f4df75117a78c1A5a0DBb814Af92458539FB4✅ Verified
Base0x88Fb150BDc53A65fe94Dea0c9BA0a6dAf8C6e196✅ Verified

AI & Agent Standards

ERC-8004 (Same addresses on 20+ chains)

ContractAddressStatus
IdentityRegistry0x8004A169FB4a3325136EB29fA0ceB6D2e539a432✅ Verified
ReputationRegistry0x8004BAa17C55a88189AE136b182e5fdA19dE9b63✅ Verified

Verified on: Mainnet, Arbitrum, Base, Optimism (CREATE2 — same address on all chains).

Major Tokens (Mainnet)

TokenAddressStatus
UNI0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984✅ Verified
AAVE0x7Fc66500c84A76Ad7e9c93437bFc5Ac33E2DDaE9✅ Verified
COMP0xc00e94Cb662C3520282E6f5717214004A7f26888✅ Verified
MKR0x9f8F72aA9304c8B593d555F12eF6589cC3A579A2✅ Verified
LDO0x5A98FcBEA516Cf06857215779Fd812CA3beF1B32✅ Verified
WBTC0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599✅ Verified
stETH (Lido)0xae7ab96520DE3A18E5e111B5EaAb095312D7fE84✅ Verified
rETH (Rocket Pool)0xae78736Cd615f374D3085123A210448E74Fc6393✅ Verified

How to Verify Addresses

# Check bytecode exists
cast code 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 --rpc-url https://eth.llamarpc.com

Cross-reference: Protocol docs → CoinGecko → block explorer → GitHub deployments.

EIP-55 Checksum: Mixed case = checksum. Most tools validate automatically.

Address Discovery Resources

Multi-Chain Notes

  • CREATE2 deployments (same address cross-chain): Uniswap V3, Safe, Seaport, ERC-4337 EntryPoint, ERC-8004
  • Different addresses per chain: USDC, USDT, DAI, WETH — always check per-chain
  • Native vs Bridged USDC: Some chains have both! Use native.

✅ All addresses verified onchain via eth_getCode — February 13, 2026. Bytecode confirmed present. Does NOT guarantee safety — always verify on block explorer before sending transactions.

Install

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AI Quality Score

94/100Analyzed 2/19/2026

High-quality, comprehensive reference skill with verified contract addresses for major Ethereum protocols across multiple L2s. Well-structured with tables, verification instructions, and critical safety warnings. Highly actionable and reusable for any Ethereum developer. Minor deduction for path not following dedicated skills folder convention.

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Metadata

Licenseunknown
Version-
Updated3/4/2026
Publisheraustintgriffith

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