Bitcoin Cash
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People are Losing Bitcoin Cash By Accidentally Sending It to Bitcoin Addresses

On August 1, a renegade group of cryptocurrency enthusiasts decided to split off from Bitcoin and create a near-identical clone called Bitcoin Cash. The two digital currencies are similar—Bitcoin Cash addresses even look like Bitcoin addresses—but are incompatible.

Now, some users are reporting that they've accidentally sent Bitcoin Cash funds to Bitcoin addresses, and they're likely lost for good. Damn.

On Sunday, a Reddit user called "btctroubadour" raised the alarm on the trend in a post that listed a handful of instances where people had complained on Reddit that they'd screwed up and sent Bitcoin Cash funds to a Bitcoin address, and desperately asked how to get it back. Most of the posts are from people claiming to have sent their funds to a Trezor wallet. Trezor is a popular manufacturer of hardware Bitcoin wallets, and very clearly warns users several times on its site not to send Bitcoin Cash funds to a Bitcoin address.

"Yep, I have done the thing it says not to do in the documentation," Reddit user "styz0r" wrote in the Trezor subreddit a week ago. "I have sent my bitcoin cash from my coinspot exchange to my hardware bitcoin wallet address. Is their [sic] a way to recover it?"

Read More: Scammers Are Targeting Naive Bitcoin Owners With Terribly Simple Trick

Why is this happening? Bitcoin proper supports a recent code change called Segregated Witness, but Bitcoin Cash does not. This difference makes them incompatible. However, Bitcoin Cash addresses follow the same format as Bitcoin addresses and look alike. This coincidence means that if Bitcoin Cash users aren't careful, they can send their money to a Segregated Witness-supporting Bitcoin address.

"People WILL make mistakes," Pavol Rusnák, Chief Technology officer of SatoshiLabs, the company behind Trezor wallets, wrote on Reddit. "Too bad, this could have been easily prevented." Indeed, Rusnák raised this concern with Bitcoin Cash developers ...

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