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 Mastercard expands support to USDC, PYUSD, RLUSD stablecoin settlement 2 days ago Blockchain News Cardano’s TapTools to wind down after 5 execs exit 2 days ago Blockchain News Bankr temporarily disables transactions after 14 wallets hacked 2 weeks ago