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 activates NU7 on testnet ahead of November mainnet target 21 hours ago Blockchain News Safe investor asks Swiss watchdog to intervene in governance dispute 21 hours ago Blockchain News Aave founder says V3 unaffected after third-party adapter exploit drains $305K 4 days ago