On Nov. 15, 2022, a post was created on the forum website bitcointalk.org and the thread’s creator asked people to share signatures tied to some of their oldest mined bitcoin blocks. 11 days later, a newly created bitcointalk.org profile, called “Onesignature,” shared a signed message tethered to an extremely old block reward created on Jan. 19, 2009. The key was associated with bitcoin block 1,018 which was created 16 days after Satoshi Nakamoto launched the network.
Mysterious Individual Signs a Message Tied to a Block Reward Created on January 19, 2009
An unknown bitcointalk.org user called “Onesignature,” signed a message tied to bitcoin block 1,018, an extremely old bitcoin block reward that was created on Jan. 19, 2009. The block signing was discovered by the owner of bitcoin.org, the pseudonymous character known as “Cobra.” “A user ‘Onesignature’ has appeared and posted the signature for a key associated with block #1,018,” Cobra tweeted. “For context, there are probably a handful of people in the world who can sign with a Jan. 2009 key,” Cobra added.
The bitcointalk.org post shows the user Onesignature’s shared signed message was a bitcoin address that was first seen on Dec. 2, 2022. The BTC address “1E9Yw” has seen a few dust transactions sent to the wallet since the day it was first seen. The signature (HCsBcgB+Wcm8kOGMH8IpNeg0H4gjCrlqwDf/GlSXphZGBYxm0QkKEPhh9DTJRp2IDNUhVr0FhP9qCqo2W0recNM=) is associated with the bitcoin address “1NChf.” The address held the block reward (1,018) in the wallet up until June 14, 2011.
Furthermore, one user discovered that the mined coins, transferred in 2011, also had “private keys of addresses that mined earlier than the above-mentioned address.” The people in the post wondered if the user Onesignature was actually Satoshi Nakamoto, but Cobra detailed on Twitter that the address was not a “Patoshi block,” a block associated with Bitcoin’s creator, and remarked that it was “unlikely to be Satoshi.”
“While many people *could* have mined Bitcoin that early, the overwhelming evidence suggests that barely anybody did,” Cobra
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