On December 12, 2010, Satoshi Nakamoto wrote his last public message on the Bitcoin Talk forum. It discussed the issue of DoS attacks that could potentially threaten the stability of the Bitcoin network.
After that, for some time, the anonymous creator of the first cryptocurrency maintained contact with several members of the Bitcoin Core team, the last email sent in his name was on April 23, 2011.
In this note, Nakamoto announced the transfer of responsibility for further work on Bitcoin to the community, particularly to the members of Bitcoin Core, among whom was Mike Hearn.
On April 23, 2011, Mike Hearn sent an email to Nakamoto inquiring whether he planned to return to work on Bitcoin, to which Nakamoto replied that he was busy with other things since Bitcoin was already in reliable hands.
As is known, on October 9, the HBO documentary 'Electric Money: The Bitcoin Mystery' premiered, where Peter Todd was named Satoshi Nakamoto. He sharply criticized the film for its false conclusions and stated that he was forced to hide to avoid attacks from bandits. One can understand him, as Satoshi Nakamoto's Bitcoin assets exceed one million BTC.