On February 9, the American professional baseball team based in Washington, D.C., the Washington Nationals, announced the team has partnered with Terra, the open-source blockchain platform and decentralized autonomous organization (DAO). The Washington Nationals detail that the team is a “leading innovator” and is “consistently introducing new technologies to enhance the fan experience.” Washington Nationals Ink Long-Term Deal With Terra Major League Baseball (MLB) team the Washington Nationals has partnered with the blockchain platform and DAO Terra, according to an announcement published by the team on Wednesday. The deal with Terra follows a slew of sports-related deals with crypto firms, but the MLB team will be the first to partner with an open-source blockchain project. In addition to the partnership, the algorithmic stablecoin UST that’s issued on the Terra blockchain will be “accepted as a payment method at Nationals Park as early as next season.” “The Nationals continue t...
BitMEX Research has identified what it believes to be a double-spent Bitcoin transaction... worth $21.
BitMEX Research has identified a suspected double-spend transaction valued at 0.00062063 BTC or roughly $21 — and it doesn’t appear to be an instance of that popular replace-by-fee wallet hack.
On Jan. 20, BitMEX’s ForkMonitor noted that “multiple blocks were produced at height 666833.” BitMEX Research tweeted:
[1/2] There was a stale Bitcoin block today, at height 666,833. SlushPool has beaten F2Pool in a race.
— BitMEX Research (@BitMEXResearch) January 20, 2021
It appears as if a small double spend of around 0.00062063 BTC ($21) was detectedhttps://t.co/o8lz9xagYG pic.twitter.com/IEdPu8JEjt
One hour later, BitMEX Research attributed the orphaned block to an RBF transaction, which is where an unconfirmed transaction is replaced with a new transfer paying a higher fee. However, ForkMonitor has since updated its advice to say: “No (RBF) bumps have been detected.”
Twitter-user and BSV’s Australian advocate Eli Afram noted the “mixed messages” from BitMEX Research, asserting the double-spent transaction should be cause for concern despite its small value:
“So it appears an actual Double-Spend has occurred on BTC... Not an RBF (replace-by-fee), but an actual double spend. A mere 22USD... but - this could have been 22million.”
Satoshi Nakamoto’s Bitcoin Whitepaper is credited with having solved the double-spend problem in 2009. The challenge of ensuring that a decentralized network can autonomously verify that the same coins have not been transferred more than once had stymied earlier attempts at digital cash.
In July, crypto security firm ZenGo identified a double-spend exploit targeting several popular Bitcoin wallets. While the wallet manufacturers moved to address the exploit, Bitcoin Cash proponent Hayden Otto warned the vulnerability may be inherent to BTC’s replace-by-fee functionality. He’d earlier exploited the same vulnerability in a viral video.
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