Odaily Planet Daily News: Meme coin Turbo, developed with the help of OpenAI chatbot ChatGPT, was developed by digital artist Rhett Mankind and soared from an initial cost of $69 to a market value of $638 million in three months (CoinGecko data shows that Turbo's market value peaked at $613 million on May 29 and has now fallen back to about $430 million). Turbo began as an experiment by Rhett Mankind, who used GPT-4 to develop the concept of tokens, token economics, and smart contracts. (CCN)