Chain IDs

Chain ID helps expand.network to redirect the query or transaction to the appropriate chain.

In the absence of chainId and chainSymbol, expand.network will connect to ethereum mainnet.

Following is the list of chains with their respective chain IDs.

Chain NameChain IDChain Symbol

Ethereum

1

ETH

Ethereum testnet Goerli

5

TETHGRL

Ethereum testnet Sepolia

11155111

TETHSPL

BSC

56

BSC

BSC Testnet

97

TBSC

Avalanche - C chain

43114

C-AVAX

Avalanche - P chain

43115

P-AVAX

Avalanche - X chain

43116

X-AVAX

Avalanche Testnet

43113

TAVAX

Polygon

137

MATIC

Polygon Testnet

80001

TMATIC

Cronos

25

CRO

Cronos Testnet

338

TCRO

Arbitrum

42161

AETH

Arbitrum Testnet Goerli

421613

TAETH

Arbitrum Testnet Sepolia

421614

TASPL

Fantom

250

FTM

Fantom Testnet

4002

TFTM

zkSync

324

ZKS

zkSync Testnet

300

TZKS

Solana

900

SOL

Solana Devnet

901

DSOL

Tron

1000

TRON

Tron Testnet (NILE)

1001

TTRON

TON

1100

TON

TON Testnet

1101

TTON

Near

1200

NEAR

Near Testnet

1201

TNEAR

Algorand

1300

ALGO

Algorand Testnet

1301

TALGO

Optimism

10

OPT

Optimism Testnet: Sepolia

11155420

TSPL

Starknet

400

STRK

Starknet Testnet

401

TSTRK

Aptos

1400

APT

Aptos Testnet

1401

TAPT

Sui

101

SUI

Sui Devnet

102

DSUI

Sui Testnet

103

TSUI

Stellar Mainnet

1500

XLM

Stelar Testnet

1501

TXLM

Base

8453

BASE

Base - Sepolia

84532

TBASE2

Possible Outcomes based on the following inputs :

chainIdchainSymbolOutput based on

Yes

No

chainId

No

Yes

chainSymbol

Yes

Yes

chainId

No

No

chainId = 1

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