Question 1

What is an Ethereum address?

Accepted Answer

An Ethereum address is a 20-byte (40 hex character) identifier derived from the last 20 bytes of the Keccak-256 hash of the public key, prefixed with 0x.

Question 2

What is EIP-55?

Accepted Answer

EIP-55 is a standard for mixed-case checksummed Ethereum addresses. It uses the Keccak-256 hash to determine which characters should be uppercase, providing error detection.

Question 3

Can I generate testnet Ethereum addresses?

Accepted Answer

Yes. Generate addresses for Sepolia and Holesky testnets. These work with public faucets for development testing.

Question 4

How does address validation work?

Accepted Answer

The validator checks multiple criteria: format detection (Base58, bech32, EIP-55), checksum verification, length validation, and network prefix matching.

Question 5

What networks does the validator support?

Accepted Answer

All 22+ supported networks: Bitcoin, Ethereum, Litecoin, Dogecoin, Solana, Tron, Ripple, Cosmos, Cardano, and more.

Question 6

Can I validate multiple addresses at once?

Accepted Answer

Yes. You can paste multiple addresses and validate them all at once, seeing results for each one.

Ethereum Address Validator

About this tool

Ethereum Address Validator — FAQ

Ready to Start?

Ethereum Address Validator

About this tool

Ethereum Address Validator — FAQ

Ready to Start?