<p>Tesla's CEO Elon Musk and its CFO Zach Kirkhorn have changed their titles to "Technoking of Tesla" and "Master of Coin," respectively.</p> <p>The change was <a href="https://www.sec.gov/ix?doc=/Archives/edgar/data/0001318605/000156459021012981/tsla-8k_20210315.htm">announced in Tesla's latest 8-K filing</a> submitted to the U.S. Securities and Exchange Commission on Monday. Musk and Kirkhorn will maintain their respective positions as CEO and CFO.</p> <p>It is not clear whether the Master of Coin title is about bitcoin, but it appears to be a character in the popular series "Game of Thrones," where <a href="https://gameofthrones.fandom.com/wiki/Master_of_Coin">the Master of Coin</a> is in charge of the royal treasury and advises the monarch on financial matters.</p> <p>Kirkhorn, being the CFO, would have been advising Tesla on investments and financial matters. Earlier this year, <a href="https://www.theblockcrypto.com/linked/94155/tesla-has-bought-1-5-billion-bitcoin-btc">Tesla invested $1.5 billion</a> of its spare cash into bitcoin as part of the company's corporate treasury management.</p> <p>The company's bitcoin bet appears to have paid off well so far since the cryptocurrency has surged from around $35,000 levels in January to about $56,000 at the time of writing.<br /> <iframe title="BTC Price" src="https://embed.theblockcrypto.com/data/crypto-markets/prices/btc-price/embed" width="100%" height="420" frameborder="0"></iframe></p>