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Mystery about the owner of the address created 10 days after the birth of Bitcoin



A bitcoiner claimed last Nov. 27 to be the owner of the private keys of one of the first Bitcoin addresses.

It is the address of a former miner who on Jan. 19, 2009 (just 10 days after the birth of Bitcoin) had received 50 bitcoins (BTC) as a reward for his activity.

In Bitcointalk Forum community has been asked if they could share their old Bitcoin addresses. This user, identified as UnaFirmashared a message encrypted with a private key corresponding to a public address January 2009.

The user in question remains anonymous and, according to forum records, is a new account with very little activity. The address is blank, with no funds.

The re-emergence of this address from the days when Satoshi Nakamoto was active, caused a stir. Some users began to speculate that the address might belong to the creator of Bitcoin or the network’s early miners. However, some doubted the credibility of the message encrypted by OneSignature, so the user returned to quota another message, confirming the retention of the original address, on Nov. 28.

The address would be linked to Hal Finney

Given the number of applications that this movement was raising, forum users set out to investigate its possible origins. In one screenshot shared on the forum, corresponding to the portfolio of Hal Finney, the first user to receive a Bitcoin transaction, died in can see that there is a link to the claimed address.

list of blocks mined in 2011 recorded by Hal Finney
Screenshot of Hal Finney’s wallet, showing the addresses of the first bitcoins mined. Source: Forbes.

After receiving the funds in 2009, they remained “inactive” until 2011, when they were transferredalong with 2,000 other BTC, to a single address.

List of addresses involved in a bitcoin transaction dating back to 2011.
Transaction sent in 2011, involving some addresses belonging to Hal Finney. Source:

When sending Bitcoin funds, the protocol allows funds from different addresses to be used to send to a single address. This is as long as private keys are held.

The list shows that some of the entries in the transactionare consistent with both one of the addresses which was identified as belonging to Finney and another from the OneSignature user. It is therefore to be expected that the user may have access to the other private keys in the list and, perhaps, to Finney’s bitcoins.

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