Binance to Halt Base Deposits and Withdrawals for September 30 Cobalt Hard Fork
Binance said it will suspend Base deposits and withdrawals at about 17:00 UTC on September 30, 2026, around the Cobalt upgrade; trading on Base is not affected.
Why it matters
The pause is a scheduled one-hour-ish window tied to a Base hard fork, so users holding funds on Base through Binance cannot move them between roughly 17:00 and 18:00 UTC on September 30, 2026. Trading stays open, and no broader market or regulatory consequence has been reported.
Key facts
Binance announced it will support the Base network upgrade and hard fork scheduled for September 30, 2026.
Reported by U.Today
Binance said it will suspend deposits and withdrawals of tokens on the Base network at about 17:00 UTC on September 30, 2026.
Reported by U.Today
The Base network upgrade and hard fork are expected to take place around 18:00 UTC on September 30, 2026.
Reported by U.Today
The September 30 upgrade is named Cobalt.
Reported by U.Today
The Cobalt upgrade improves the B20 token standard and adds validity transactions.
Reported by U.Today
The Cobalt upgrade introduces dynamic node upgrades and migrates TEE signer registration to onchain attestation verification.
Reported by U.Today
Base is an Ethereum layer 2 incubated by Coinbase.
Reported by U.Today
Binance said trading of tokens on the Base network will not be impacted because it will handle the technical requirements for all users, and that deposits and withdrawals reopen once the upgraded network is running.
Reported by U.Today
What happened
U.Today reported that Binance announced it will suspend deposits and withdrawals of tokens on the Base network at about 17:00 UTC on September 30, 2026, to support a network upgrade and hard fork. Base is an Ethereum layer 2 incubated by Coinbase, and the September 30 upgrade is called Cobalt. According to U.Today, the Cobalt upgrade improves the B20 token standard, adds validity transactions, introduces dynamic node upgrades, and moves TEE signer registration to onchain attestation verification, with the upgrade and hard fork expected around 18:00 UTC the same day. Binance said trading of tokens on the Base network is not impacted because the exchange will handle all technical requirements for its users. Binance did not say when deposits and withdrawals will reopen beyond stating that they will reopen once the upgraded network is running. Only U.Today covered the announcement, and the reported timings come from that single outlet.
How the story developed
- First report
First report by U.Today
Binance to Temporarily Suspend Withdrawals on Coinbase L2, Base This Date: Reason
- Official statement
Binance announces Base deposit and withdrawal suspension for September 30
U.Today reported that Binance will suspend Base deposits and withdrawals at about 17:00 UTC and said the Cobalt upgrade and hard fork follow at about 18:00 UTC, with trading unaffected.
Affected entities
Original sources
| Publisher | Report | Role | Published |
|---|---|---|---|
| U.Today Crypto media | Binance to Temporarily Suspend Withdrawals on Coinbase L2, Base This Date: Reason | Original |
Related events
Ethereum holds the 2400 USD demand zone after sweeping below it, recovery capped below resistance
Ethereum holds the 2400 USD demand zone after a sweep below it, trading near 2450 USD as a negative Coinbase premium shows weak US demand.
TSLA Price Prediction: Brutal 7% Selloff Collapses Open Interest as Analyst Targets Loom Far Above
Tokenized Apple shares sit near record levels as October 29 Q4 earnings loom
Blockchain.News reports tokenized Apple shares pinned near a 52-week high in a tight range ahead of October 29 Q4 earnings, citing a Q3 FY2026 EPS print of $2.02 as the driver.
ALGO Trades at $0.10 on Its 200-Day Average After a Nearly 6% Daily Gain
Blockchain.News reported on September 18 that ALGO rose nearly 6% in a day to sit exactly at its 200-day moving average of $0.10, a level it describes as resistance.
Base activates Cobalt upgrade adding Validity Transactions and B20 seizure rules
Base activated Cobalt on mainnet on September 30, adding Validity Transactions and letting B20 issuers reassign holder balances to another wallet with an onchain note.
Over $6 million drained from unidentified seven-signer Safe vault on Base
A contract whitelisted inside a Base Safe vault pulled about 1,783 aBaswstETH, roughly $6 million, redeemed through Aave V3; none of the seven signers is known.