Solana is building rapidly. And they are getting everything  on the chain like they had on the ethereum and other top chains. And not just smart contracts but you have stablecoins, dex, and variety of other projects being built too. So there is going to be serious infra that would be building the Solana before it takes off like BTC funds. 

So recently two stablecoins named - PYUSD and USDS were launched on Solana. 

Now the USDS being the product of the Sky which used to be the Maker DAO. And that coin that is about to be distributed through other solana's projects and platforms too. Lot of updates on the official DAO place and the twitter. They are pushing USDS heavily now. 

As for PYUSD being on the Solana that came off as a surprise. And nobody thought paypal would take the solana interesting there. Like you have plenty of other chains but Solana is getting the attention seriously form the market and the industry in general. 

More integrations of USDS are mentioned here.