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almindor / etherwall

Ethereum QT5 Wallet
GNU General Public License v3.0
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Address checksum mismatch. #12

Closed Ishitori closed 7 years ago

Ishitori commented 7 years ago

Hi,

I want to send some ETC to my Poloniex account. I paste account number to "To" field: 0xdeed1ac845ab58e7e5c9728918d93c38ca0f7a5e

When I do so I get the following warning: Address checksum mismatch. Use only properly checksumed addresses to prevent wrong sends.

I wonder, is it a bug in Etherwall, or my account is really kinda screwed and I should contact Poloniex. I am using the latest version 1.4.4.

Thanks.

almindor commented 7 years ago

Better safe than sorry :)

It's not a bug but Poloniex should update their software. If you look up the address at etherscan.io for example ( https://etherscan.io/address/0xdeed1ac845ab58e7e5c9728918d93c38ca0f7a5e ) you see how it's capitalized in their website?

That capitalization is a form of checksum as described by Vitalik at https://github.com/ethereum/EIPs/issues/55

It's not REQUIRED however all the quality clients use it (Mist, Etherwall etc.) All lowercase basically means the address is not "checksum-ed" and could contain a typo easily.

So TLDR: your address is probably fine, but it doesn't contain the optional capitalization "checksum" that would prevent typo mistakes.

almindor commented 7 years ago

I'll add a FAQ entry so people don't get confused over this.

Ishitori commented 7 years ago

Got it. Thank you!