Did A Bitcoin Double Spend Really Cause An 11% Drop?

in dPoll3 years ago

Did A Bitcoin Double Spend Really Cause An 11% Drop?


According to Business Insider:

Bitcoin falls 11% after report suggests a critical flaw in the cryptocurrency called 'double spend' may have occurred

BitMEX Research tweeted that "it appears as if a small double spend of around 0.00062063 BTC ($21) was detected."

BitMEX later said it appeared that the double spend was actually an RBF transaction, which is when an unconfirmed bitcoin transaction is replaced with a new transfer paying a higher fee. But BitMEX's Fork Monitor said that "no (RBF) fee bumps have been detected."

BitMEX said in another tweet: "A transaction in the losing chain sent 0.00062063 BTC to the address 1D6aebVY5DbS1v7rNTnX2xeYcfWM3os1va, and a transaction in the winning chain which spent the same inputs only sent 0.00014499 BTC to this address."

Bitcoin-Benjamin

Do you think this describes a problematic double spending of BTC? Or is it just confusing reporting of a technicality. Something else?

Also, do you think this announcement was calculated to affect the BTC price in any way?


Image courtesy of Bermix Studio


  • Yes, that's a double spend.

  • No, that's not a double spend.

  • Uhm, that's something else entirely and it's a problem.

  • Uhm, that's something else entirely but it's not a problem.

  • I dunno.

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BitMex later confirmed it was just a rare instance of an RBF:

Voted for

  • I dunno.

Voted for

  • No, that's not a double spend.

Voted for

  • Uhm, that's something else entirely and it's a problem.

It depends on ow you define a double spend. No new coins were made out of thin air. these problems have been around for years due to long confirmation times and low Tx/s