I believe it was Martti Malmi (aka Sirius) who made that initial sale. He sold 5,050 BTC for just $5.02 to NewLibertyStandard exchange and this was the first known real-world Bitcoin transaction
I find this all very interesting and the mysteriousness just adds to the wonderment of it all...
Is Martti Malmi (sirius) still around? He's only 37 years old. When was he heard from last?
That 5,050 BTC is worth about $500 million today with Bitcoin priced at ~$100,000.
I see that Martti Malmi (sirius) communicated often with Satoshi Nakamoto in the 2009 - 2011 time period.
It is said that Satoshi Nakamoto holds an estimated 1.1 million bitcoins. At July, 2025 price of over $100,000 each, Nakamoto's bitcoins were worth over $100 billion.
Rumor is Satoshi Nakamoto has not transferred or sold any of his huge stash...
I read that Satoshi Nakamoto does not live in Japan as some suspect, but most likely he lives in either in the U.S. or Western Europe with Germany a favored pick.
I presume Satoshi Nakamoto's email @gmx.com suffix was originated likely in Germany.
Satoshi Nakamoto's email address he used to communicate with Martti Malmi (aka Sirius) ►
https://i.ibb.co/1tqvckhN/Screenshot-2025-07-26-190555.png