The Coinbase-backed Ethereum Layer 2 Base network is set to activate its B20 token standard on the mainnet, introducing a native platform for stablecoins, tokenized real-world assets (RWAs), and other fungible tokens.

According to according to Base’s documentation, B20 is scheduled to launch at 18:00 UTC on the mainnet, allowing developers to start creating tokens under the modern standard.

Activation will enable developers to operate the native Base token standard to create stablecoins, RWAs, tokenized shares, and other fungible tokens without the need to create and audit custom ERC-20 contracts.

The standard supports two variants: assets and stablecoins. The asset variant has configurable decimal numbers from six to 18, while the stablecoin variant has a fixed formatting of six decimal places and requires issuers to specify a denomination of fiat currency, such as the US dollar or euro.

B20 supports two variants. Source: Database

B20 was introduced as part of the Beryl network update that launched on June 26. The update shortened the withdrawal waiting period from seven days to five days and added technical changes to improve network performance.

Base says B20 tokens are compatible with standard ERC-20 tokens but have built-in issuer control. These features include supply limits, transfer rules, minting, burning, holding, and transaction notes.

B20 is activated after the Base fails

B20 activation occurs after subsequent failures related to the sequencer infrastructure.

On June 25, Base encountered an outage due to a consensus issue. At the time, the network reported that an incorrect block had been sequenced, making it impossible to create modern ones. The base resumed block production on the same day, after an almost two-hour break.

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In an autopsy, Base concluded that a sequencer error caused the following failures on June 25 and 26. The first incident lasted approximately 116 minutes, while the second incident lasted approximately 20 minutes after racing conditions prevented sequencers from catching up following a system reset.

The initial outage occurred several hours before the scheduled Beryl update, which was delayed by one day due to a separate B20 activation register synchronization issue.

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