The firm dedicated to developing Ethereum’s proof-of-stake implementation, CasperLabs, decided to launch its own blockchain
Source: https://cointelegraph.com/news/eth-20-development-firm-casperlabs-to-work-on-its-own-blockchain
ETH 2.0 Development Firm CasperLabs to Work on Its Own Blockchain
April 8, 2020
CoinTelegraph