I don’t know about listing other competing stablecoins on PegNet, but certainly NEO and other tokens that meet the $100 Million Market Cap + $5 in Daily Trading Volume requirements to be added as a pAsset on PegNet should get included in this new upgrade. The current proposed list of new tokens is:
pHBAR, pNEO, pAED, pCRO, pETC, pONT, pDOGE, pVET, pHT, pARS, pTWD, & pALGO