Chains & Protocols

Blockchain networks and DeFi protocols supported by Cred Protocol

Chains Supported

Cred Protocol aggregates on-chain data across multiple blockchain networks to build comprehensive credit profiles. All chains are queried for transaction history, token balances, NFT holdings, and DeFi activity.

Chain	Chain ID	Data Coverage
Ethereum	1	Full (lending, balances, NFTs, identity)
Base	8453	Full (lending, balances, NFTs, identity)
Polygon	137	Balances, NFTs, transactions, identity
Arbitrum	42161	Balances, NFTs, transactions
Optimism	10	Balances, NFTs, transactions
Avalanche	43114	Balances, NFTs, transactions
BNB Chain	56	Balances, NFTs, transactions
Celo	42220	Balances, transactions
Scroll	534352	Balances, transactions
Linea	59144	Balances, transactions

Ethereum and Base have the deepest lending protocol coverage. All chains contribute to transaction history, balance data, and overall activity metrics.

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Lending Protocol Coverage

Cred Protocol tracks borrowing and lending activity across major DeFi protocols. This data directly contributes to the Borrowing History, Wallet Health, and New Credit scoring factors.

Aave

Protocol	Version	Chain	Coverage
Aave	V3	Ethereum	Collateral deposits, variable debt positions
Aave	V3	Base	Collateral deposits (USDC, USDbC, WETH, cbETH)
Aave	V2	Ethereum	Collateral deposits

Supported Aave V3 Ethereum Assets

Collateral tokens tracked: WETH, wstETH, WBTC, USDC, DAI, LINK, AAVE, cbETH, USDT, rETH, LUSD, CRV, MKR, SNX, BAL, UNI, LDO, ENS, 1INCH, FRAX, GHO, RPL, sDAI, STG, KNC, FXS, crvUSD, PYUSD, weETH, osETH, USDe, ETHx, sUSDe, tBTC, cbBTC, USDS, rsETH

Debt tokens tracked: All corresponding variable debt tokens for the above assets

Supported Aave V2 Ethereum Assets

Collateral tokens tracked: USDT, WBTC, WETH, YFI, ZRX, UNI, AAVE, BAT, BUSD, DAI, ENJ, KNC, LINK, MANA, MKR, REN, SNX, SUSD, TUSD, USDC, CRV, GUSD, BAL, XSUSHI, RENFIL, RAI, AMPL, PAX, DPI, FRAX, FEI, stETH, ENS, UST, CVX, 1INCH, LUSD

Compound

Protocol	Version	Chain	Coverage
Compound	V2	Ethereum	Collateral deposits

Supported Compound V2 Assets

Collateral tokens tracked: cETH, cUSDC, cDAI, cBAT, cUNI, cZRX, cUSDT, cCOMP, cWBTC

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Additional Data Sources

Beyond lending protocols, Cred Protocol analyzes additional on-chain data that contributes to the Trust, Wallet Composition, and Interactions scoring factors.

Identity & Reputation

These attestations contribute to the Trust factor:

Source	Description	Networks
ENS	Ethereum Name Service domain ownership	Ethereum
Basename	Base network name service (e.g., username.base.eth)	Base
Gitcoin Passport	Humanity verification (score ≥ 20 required)	Cross-chain
POAPs	Proof of Attendance Protocol event tokens	Ethereum, Base, Polygon
Goldfinch UID	Goldfinch Unique Identity verification	Ethereum
Anima Reputation	Synaps identity verification badges	BNB Chain, Polygon

Asset & Activity Data

These metrics contribute to the Wallet Composition, Wallet Health, and Interactions factors:

Data Type	Description	Networks
Token Balances	ERC-20 token holdings and values	All supported chains
Stablecoin Holdings	USDT, USDC, DAI, and 15+ other stablecoins	All supported chains
NFT Holdings	Non-fungible token ownership	Ethereum, Base, Polygon
Transaction History	Total transactions, first/last activity	All supported chains
Transfer Activity	Token transfer frequency and patterns	All supported chains

Supported Stablecoins

Cred Protocol tracks holdings in the following stablecoins:

USDT (Tether), USDC (USD Coin), DAI, FDUSD (First Digital USD), USDD, PYUSD (PayPal USD), TUSD (True USD), USDe (Ethena), FRAX, USDY (Ondo), USDB, USDJ, EURS (STASIS EURO), USTC (TerraClassicUSD), USDP (Pax Dollar), EURC, LUSD (Liquity USD), GUSD (Gemini Dollar), cUSD (Celo Dollar), sUSD, GHO

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Payment Networks (x402)

Cred Protocol supports x402 payment authentication, allowing instant API access by paying per request with USDC — no account required. The following networks are supported for x402 payments:

Network	Chain ID	Type	Token	Facilitator
Base	8453	Mainnet	USDC	Coinbase Developer Platform
Base Sepolia	84532	Testnet	USDC	Coinbase Developer Platform
SKALE	1187947933	Mainnet	Bridged USDC (SKALE Bridge)	dirtroad.dev
SKALE Testnet	324705682	Testnet	Bridged USDC (SKALE Bridge)	dirtroad.dev

SKALE offers zero-gas transactions with sub-second finality, making it ideal for high-frequency micropayments. See the authentication guide for integration details.

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Coming Soon

We’re continuously expanding coverage. Planned additions include:

More Lending Protocols

Morpho, Spark, Euler, and other major lending markets

Additional Chains

zkSync, Mantle, and emerging L2s

Coinbase Developer Platform Protocols

MakerDAO, Liquity, and collateralized debt positions

Perp & Options

Perpetual and options protocol activity

Have a protocol or chain you’d like us to support? Contact us to request coverage.