UMA, or Universal Market Access, is a protocol for the creation of synthetic assets based on the Ethereum blockchain. UMA was launched in December 2018.
Paypex (PAYX) основан на протоколе Ethereum. Mercatox остается единственной биржевой платформой, на которой сейчас указан токен (пары PAYX / BTC и PAYX / ETH).