Frax Finance (protocol/brand/ecosystem)
frx_ names
frxUSD sfrxUSD (pegged to USD / staked)
frxETH sfrxETH (pegged to ETH / staked)
frxBTC sfrxBTC (pegged to BTC / staked)
non frx_ names
FPI - (not frxPI because PI is not a token & the price index basket could be determined by future decentralized governance at some point…)
FXS - (have no complaints regarding fxs name/ticker)
FXB20XXXXXXfrxUSD - (allows for future eth/btc/other bonds?)