Crypto NewsDefi Base targets June 25 mainnet launch for Beryl upgrade and new B20 token standard By Coin Gazette Editorial Comments Off on Base targets June 25 mainnet launch for Beryl upgrade and new B20 token standard June 19, 2026 1 Min Read Base's Beryl upgrade introduces the B20 native token standard, cuts withdrawal delays to 5 days, and activates on mainnet June 25.