CryptofeedCryptocurrency Exchange OKX Coming Out With Layer 2 ‘X1’ Built on Polygon TechnologyPublikováno: 14.11.2023#Technology#news#OKX#layer 2#Okb#Polygon#Zero knowledge#Zero-Knowledge ProofsCelý článek The OKB token will be used for gas fees on the new chain, which comes as rival crypto exchanges including Coinbase and reportedly Kraken are pursuing their own layer-2 projects.