On Bonfida, certain tokens are wrapped. Bonfida wraps with all the Solana tokens. However, this may change in the future as Serum also wraps with BTC, ETH, YFI, and SUSHI via the Sollet bridge, for example. Sollet is a MetaMask-based utility for bridging ERC20 tokens. As the ecosystem grows, other bridges, like Ren, which offers wrapped renBTC and renDOGE, are merging with Solana. SPL native tokens make up the rest of Bonfida's tokens.