Blockchain News Binance’s BNB Chain introduces layer-2 testnet powered by Optimism 3 years ago The Binance-founded blockchain has introduced a new layer-2 chain opBNB, though some suggest there are other ways to scale the network. Tags: Blockchain Continue Reading Previous Why ZK-rollups need data availability — Avail co-founderNext European Investment Bank taps blockchain for Climate Awareness Bond More Stories Blockchain News Zcash rallies 12% as developers finalize NU7 activation height 5 days ago Blockchain News World Liberty’s USD1 stablecoin sheds $400M in market cap in two weeks 7 days ago Blockchain News Qubic freezes chain after attacker drains 1.4K wallets with weak seeds 1 week ago