Satoshi Nakamoto's last known public appearance was in December 2010. Here's a summary of their last known activities:

- December 12, 2010: Satoshi sent an email to Mike Hearn, a Bitcoin developer, stating that they had "moved on to other things."

- December 13, 2010: Satoshi made their last post on the Bitcoin Forum, responding to a question about the Bitcoin software.

- December 2010: Satoshi stopped contributing to the Bitcoin codebase and ceased communication with the Bitcoin community.

After that, Satoshi Nakamoto disappeared from the public eye, and their true identity remains a mystery.

Some interesting facts about Satoshi's disappearance:

- Satoshi's email account and forum profile were abandoned.

- Their Bitcoin wallet, containing around 1 million BTC, remains untouched.

- Satoshi's disappearance sparked speculation and numerous attempts to uncover their true identity.

Despite their disappearance, Satoshi's legacy continues to shape the cryptocurrency space, and their influence remains significant.$BTC