An early developer involved with Bitcoin has disclosed numerous private messages exchanged with Satoshi Nakamoto, shedding light on the mysterious founder of the digital currency.

Martti Malmi, also known as Sirius, began working with Nakamoto in 2009, shortly after the launch of bitcoin. These conversations provide valuable insights into the creator of bitcoin and other key figures from the early days of cryptocurrency.

They also reveal Nakamoto’s anticipation of potential criticisms of bitcoin, such as concerns about its energy consumption.

In one message, Nakamoto speculated that even if bitcoin were to consume significant energy, it would still be more efficient than traditional banking activities. He argued that the costs associated with bitcoin would be considerably lower than the expenses incurred by conventional banking systems.

Moreover, the consistent use of English spelling in the messages supports the notion that Nakamoto may not have been from the United States, as previously speculated.

These emails, made public on Github on 23 February, are being used as evidence in an ongoing court case in the UK involving software developer Craig Wright, who claims to be Nakamoto.

Wright, a 53-year-old Australian, asserts that he played a crucial role in the development of financial technology. However, the Crypto Open Patent Alliance (COPA), which initiated the legal proceedings against Wright, accuses him of producing fraudulent evidence to support his claim.

According to COPA’s representative, Jonathan Hough KC, Wright has failed to provide genuine proof of his identity as Satoshi Nakamoto and has instead submitted documents that appear to have been altered.

Wright denies these allegations, and the trial is continuing with the examination of expert witnesses.

Since Nakamoto’s withdrawal from the bitcoin scene in 2011, the value of the cryptocurrency has surged by over 10,000 percent. This surge has made Nakamoto’s personal holdings worth more than $35 billion at current prices, placing them among the wealthiest individuals globally.