Among them, the largest player is the traditional financial Franklin Templeton fund group. Franklin Templeton established the OnChain US Government Money Fund FOBXX in April 2021. The fund invests 99.5% of its total assets in US government securities, cash, and repurchase agreements fully collateralized by US government securities or cash. FOBXX was initially launched on the Stellar blockchain and expanded to Polygon in April 2023. It may also be issued on the Avalanche and Aptos blockchains, as well as on the Ethereum Layer 2 solution Arbitrum.