SPERO/BTC - https://www.altilly.com/market/SPERO_BTC

SPERO/ETH- https://www.altilly.com/market/SPERO_ETH

SPERO/DOGE - https://www.altilly.com/market/SPERO_DOGE

SPERO/BTC - https://nanu.exchange/exchange#btc_spero

SPERO/BTC - https://www.probitex.com/trade/index/market/spero_btc