Base, the Ethereum layer-two network backed by Coinbase, plans to activate its Beryl upgrade on mainnet this coming week on June 25, 2026, at 18:00 UTC.
Key Takeaways:
Base activates the Beryl upgrade on mainnet June 25, 2026, at 18:00 UTC.Beryl cuts Base’s single-proof withdrawal window from 7 days to 5 days.Base plans its next upgrade, Cobalt, for September 2026 with account abstraction.Issuers can also freeze or seize tokens from blocked addresses through a function called burnBlocked, a feature aimed at companies operating under regulatory requirements.
“Beryl makes Base a first-class issuance platform with the B20 token standard, more capital efficient with a reduced withdrawal delay, and more scalable with Reth V2,” Conner Swenberg and Base Engineering Team said this week.
Faster Withdrawals, Leaner NodesBeryl also shortens the withdrawal finalization window for the single-proof bridge path from seven days to five. Base added a faster dual-proof option during its prior Azul upgrade in May, which already settles in about one day.
The Beryl testnet version went live on Base Sepolia on June 18. Exchanges, including Binance, have signaled plans for temporary deposit and withdrawal pauses around the mainnet activation window.
Looking Ahead to CobaltBase has another upgrade, called Cobalt, planned for September. Engineers say that the release will add native account abstraction and further updates to the B20 standard.


















