A checksum-valid address can still belong to the wrong person or the wrong network. Validation answers format questions, not trust questions.
Always verify destinations out-of-band for large transfers and send a small test first when unsure.
Address checksum
Extra encoded data in an address (for example EIP-55 mixed-case Ethereum) that helps detect typos.
By Nadeem Ahmed·Updated 2026-09-09
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Frequently asked questions
What does Address checksum mean in crypto?+
Extra encoded data in an address (for example EIP-55 mixed-case Ethereum) that helps detect typos.
When do traders or builders use Address checksum?+
A checksum-valid address can still belong to the wrong person or the wrong network. Validation answers format questions, not trust questions.
Which CryptonicTools help with Address checksum?+
Try Wallet Validator + QR, BIP39 Seed Phrase Checker on CryptonicTools — free, no account.
Updated 2026-09-09. Educational only — not financial advice. All terms