OKX launches Ethereum layer-2 testnet using ZK-based Polygon CDK By Cointelegraph

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Crypto exchange OKX has launched a testnet for an upcoming layer-2 network named “X1,” according to a Nov. 14 announcement. The network is being developed using the Polygon chain development kit (CDK) and will use zero-knowledge proofs to validate deposits and withdrawals between layers.

OKX exchange interface. Source: OKX

OKX is the sixth-largest centralized crypto exchange by volume, with over $1.8 billion in trading volume per day, according to data from CoinMarketCap. Its token, OKB, has a current market cap of over $3.6 billion, making it one of the top 30 cryptocurrencies. When a mainnet version of the new network is launched, OKB will be the native coin used to pay gas fees on it, the announcement stated.