A woman claiming to be Justin Sun's ex-girlfriend alleged on Sunday that the cryptocurrency billionaire manipulated the market to pump the price of his Tron (CRYPTO: TRX) token. Serious Allegations Against Tron Founder Zeng Ying, describing herself as a finance blogger and a “Crypto OG,” said she was in a relationship with Sun back in the early days of Tron, the Layer-1 blockchain he founded in July 2017.