Reasons for the Delay
Published 6/26/2026, 9:26:19 PM
Base delayed the launch of its B20 Activation Registry (part of the Beryl mainnet upgrade) by 24 hours to ensure the registry was fully operational before the hard fork went live. Originally scheduled for June 25, 2026, the upgrade was moved to June 26, 2026, at 18:00 UTC [Source: https://crypto.news/base-delays-beryl-upgrade-to-ensure-b20-registry-readiness/].
Reasons for the Delay
The primary cause was a timing dependency within the Beryl upgrade architecture. The B20 Activation Registry, located at address 0x8453000000000000000000000000000000000001, acts as the gatekeeper for B20 feature flags. Technical documentation indicates that this registry requires an initialization window of up to one hour to become fully enabled after the hard fork activates [Source: https://docs.base.org/docs/upgrades/beryl/].
Base developers opted for the delay to avoid a "race condition" where the hard fork was active but the registry was still initializing. Had they proceeded as originally planned, any B20 token deployments attempted during that first hour would have failed with a FeatureNotActivated error [Source: https://crypto.news/base-delays-beryl-upgrade-to-ensure-b20-registry-readiness/].
Context and Technical Impact
The B20 Activation Registry is critical because the B20 Token Standard does not run as standard EVM bytecode. Instead, it operates as Rust precompiles directly within the node software to support high-performance stablecoins and Real-World Assets (RWAs) [Source: https://docs.base.org/docs/tokens/b20/].
| Metric/Event | Detail |
|---|---|
| Original Launch Date | June 25, 2026 |
| Revised Launch Date | June 26, 2026, 18:00 UTC |
| Registry Address | 0x8453000000000000000000000000000000000001 |
| Initialization Window | ~1 hour post-fork |
| Primary Risk | FeatureNotActivated deployment errors |
Clarification on Network Outage
On June 25, 2026, Base experienced a separate two-hour block production outage caused by a consensus issue in the sequencing pipeline. While this occurred near the original upgrade window, Base leadership confirmed that this outage was unrelated to the decision to delay the Beryl upgrade and the B20 Registry activation [Source: https://www.theblock.co/post/base-network-outage-june-2026-unrelated-to-beryl/].
While the technical necessity of the one-hour initialization window is documented, there is currently no official blog post or direct social media statement from Base developers (such as Jesse Pollak) providing a narrative explanation of the delay in their own words.