product

Cobalt hits Base mainnet with engineering improvements targeting transaction flexibility and upgrade automation

0Importance
closedStatus
7News media
8Pieces
Published
In
Layer 2

Base activated the Cobalt upgrade on September 30 and brought it to mainnet, with changes centered on conditional transactions, upgrade scheduling, and new B20 asset functions. The rollout also added issuer controls for tokenized assets, including balance-multiplying schedules, recorded balance seizures, and transfer-policy tools.

Share on X Share on Telegram Share on Reddit Share on WhatsApp

Key claims & sources

✓
The hard fork included B20 token changes, on-chain upgrade scheduling, and Trusted Execution Environment signer verification.
Base Schedules Cobalt Upgrade With Conditional Transactions and Fork Automation
✓
The upgrade went live on mainnet and added conditional transactions plus new functions for assets built on the B20 standard.
Base launches Cobalt upgrade with conditional transactions and new B20 asset…
✓
Cobalt introduced tools for traders to set transaction conditions and for issuers to run compliance checks, stock splits, and forced token transfers.
Base completes Cobalt upgrade, adds new tools for tokenized assets
✓
For B20 tokens, issuers gained a way to move a seized balance to another wallet with an onchain note instead of destroying it.
Base’s Cobalt Upgrade Lets Token Issuers Move Seized Balances Instead of…
✓
Base’s development team said the scheduled hard fork was meant to optimize smart contract performance and provide automated transaction execution tools.
Base Goes Live With Cobalt Upgrade and New B20 Asset Features
✓
Base activated Cobalt on September 30.
Base Cobalt upgrade puts new controls inside tokenized assets
✓
The fork also added support for scheduling balance multipliers, seizing balances with a record, and combining transfer policies.
Base Cobalt upgrade puts new controls inside tokenized assets

Market reaction i

EthereumETH it is the asset of the company or protocol in the event
first headline
-0.5% 2 h before
+0.6% 4 h after
$2,674price at publication
12data points

Coverage timeline

Every piece in order, with the time its news medium declares — if it is not believable we use ours and say so — and what it added to what was already known at that point. Arriving first is not the same as adding something.

first
Sep 30 14:01
+4 h 58 m
Sep 30 19:00
+4 h 58 m
Sep 30 19:00
Cointelegraph context
Its angle: compliance, conditions, completes
+4 h 58 m
Sep 30 19:00
The Defiant context
Its angle: defiant, story, ships
+4 h 59 m
Sep 30 19:00
Unchained context
Its angle: administrators, documentation, administrator; with quotes
+5 h
Sep 30 19:01
Crypto Briefing echo
No new facts: speculation, increasing, potential
+6 h 39 m
Sep 30 20:40
Crypto Economy context
Its angle: interoperability, standardization, decentralized; with quotes
+19 h 42 m
Oct 1 09:44
crypto.news echo
No new facts: multipliers, activated, schedule