BNB chain, a Layer-1 blockchain by Binance, has announced its own zero-knowledge (ZK) proof scaling technology, called zkBNB. Binance claims zkBNB will improve scalability metrics and transaction speed. Zero-knowledge (ZK) proofs are one of the viable long-term solutions for decentralized blockchain scalability, as Ethereum co-founder Vitalik Buterin said in his ‘Endgame’ article. It is an…