The so-called disturbing ?panic private key? was first presented to the public on Tuesday, July 3, by Satoshi Nakamoto to the signal system network bitcoin at the conference Building on Bitcoin 2018 in Lisbon.
He presented it during his speech on stage Brian Bishop of LedgerX.
Besides, he published signal keys in the mailing for all the bitcoin developers a couple of hours before the conference started.
According to his mail, signal keys look as follows:
The public key for the core network:
04fc9702847840aaf195de8442ebecedf5b095cdbb9bc716bda9110971b28a49e0ead8564ff0db22209e0374782c093bb899692d524e9d6a6956e7c5ecbcd68284
The private key for the core network:
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
The public key for the test network:
04302390343f91cc401d56d68b123028bf52e5fca1939df127f63c6467cdf9c8e2c14b61104cf817d0b780da337893ecc4aaff1309e536162dabbdb45200ca2b0a
The private key for the test network:
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
The signal network was implemented into 0.3.10 version and aimed to alert clients on attacks and vulnerabilities. The system was used up to November 2016 and was removed in 0.13.10 verison. However, the key was not known by the public up till today.
Previously it was clear that Satoshi Nakamoto had it as well as Gavin Andresen, the Bitcoin Core developer and Theymos, bitcointalk.org forum admin. Right now other network users can have it too.
Alarming key was implemented to the bitcoin core base by Satoshi Nakamoto, the creator of bitoin, after the incident that took place in August 2010 but it was never used. The first time it actually was recorded in February 2012 and in 2013 to prevent the gcd of the unintended fork. In addition, it needed for sending a message about urgent update software to the latest version.
Developers had to abandon the key due to their fear that it can be used against the interests of the system. According to some rumors, the key could be also used by the police in Japan as a result of investigation on the exchange Mt.Gox and its owner Mark Karpeles.
Bryan Bishop said about his intention to make a key available to the public in mid-June.
Earlier, Craig Wright, the Australian programmer, repeatedly claimed to be the mysterious bitcoin creator Satoshi Nakomoto but he wasn’t able to prove it. | 
